SQL Server Jobs in Lisbon.
All active SQL Server roles based in Lisbon.
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Senior QA Engineer
Veeam is the Data and AI Trust Company, specializing in helping organizations ensure their data and AI are fully understood, secured, and resilient to enable the acceleration of safe AI at scale. As the market leader in both data resilience and data security posture management, Veeam is built for the convergence of identity, data, security, and AI risk. Headquartered in Seattle with offices in more than 30 countries, Veeam protects over 550,000 customers worldwide, who trust Veeam to keep their businesses running. Join us as we go fearlessly forward together, growing, learning, and making a real impact for some of the world’s biggest brands.
About the Role
The Veeam Quality Assurance team invites you to work on Veeam products with Veeam QA professionals in the Lisbon R&D office.
What You'll Do
- Testing of one or several Veeam products
- Participating in products’ creation and development at all stages of their life cycle
- Analysing software requirements
- Participating in planning and creating the product test strategy
- Communicating with other participants of the product development process
- Training and development of new team members
- Evaluating test results, maintaining defects database
- Participating in customer technical support processes
What You'll Bring
- Technical education or passion for technology
- 3+ years of software testing experience
- Deep understanding of software development principles and the QA role in this process
- Experience developing test strategies and plans, analysing test progress, and optimising the software testing processes
- Advanced knowledge of Windows, Linux or Unix operating systems
- Experience in network technologies and systems (DNS, DHCP, basic network settings, etc.)
- Open and flexible mind, common sense, clear logic, analytical skills
- Desire and ability to work in a team
- English proficiency for daily communication within international teams
Bonus Skills
- Experience working with databases like Microsoft SQL Server or Oracle Database
- Experience working with virtualization platforms like VMware vSphere and Microsoft Hyper-V
- Experience in test automation
- Experience managing and developing a QA team
What You'll Get
- 24 annual vacation days, plus 4 extra global VeeaMe Days for self-care and 24 paid volunteer hours annually through Veeam Cares
- Private medical, dental, and optical insurance for employees and dependents
- Life and disability insurance worth 2x gross annual salary
- Monthly meal allowance of €10.46 per working day
- Opportunities to learn and grow through on-demand libraries (LinkedIn Learning, O’Reilly), mentoring, workshops and learning events like our annual Global Day of Learning
Please note: If the applicant is permanently present outside of Portugal, Veeam reserves the right to refuse to consider the application for a job. Remote work is only possible in case the employee is located in Portugal.
#LI-KJ1
#Hybrid
Please note that any personal data collected from you during the recruitment process will be processed in accordance with our Recruiting Privacy Notice.
The Privacy Notice sets out the basis on which the personal data collected from you, or that you provide to us, will be processed by us in connection with our recruitment processes.
By applying for this position, you consent to the processing of your personal data in accordance with our Recruiting Privacy Notice.
By submitting your application, you acknowledge that the information provided in your job application and any supporting documents is complete and accurate to the best of your knowledge. Any misrepresentation, omission, or falsification of information may result in disqualification from consideration for employment or, if discovered after employment begins, termination of employment.
Ready to apply?
Apply to Veeam Software
About Us
Riskified empowers businesses to unleash ecommerce growth by taking risk off the table. Many of the world’s biggest brands and publicly traded companies selling online rely on Riskified for guaranteed protection against chargebacks, to fight fraud and policy abuse at scale, and to improve customer retention. Developed and managed by the largest team of ecommerce risk analysts, data scientists and researchers, Riskified’s AI-powered fraud and risk intelligence platform analyzes the individual behind each interaction to provide real-time decisions and robust identity-based insights. Riskified is proud to work with incredible companies in virtually all industries including Acer, Gucci, Lorna Jane, GoPro, and many more.
We thrive in a collaborative work setting, alongside great people, to build and enhance products that matter. Abundant opportunities to create and contribute provide us with a sense of purpose that extends beyond ourselves, leaving a lasting impact. These sentiments capture why we choose Riskified every day.
About the Role
As a Full-Stack Developer in Riskified’s Core Services Group, you’ll build and maintain applications end-to-end using various technologies. Working in a dynamic, agile environment with cutting-edge technologies, you’ll contribute to expanding Riskified’s ecosystem.
Our developers take full ownership, from feature planning with Product and Design to selecting technologies, designing architecture, coding, reviewing, deploying in a CI/CD environment, and monitoring post-deployment.
The team focuses on customer-facing applications, including a core web tool that allows merchants to review orders, perform actions, and gain insights through advanced analytics. Whether you’re crafting precise UI, developing robust backend logic, or optimizing infrastructure for scale, you’ll have the opportunity to engage end-to-end.
Our Stack: Scala, Spark, Node.js, Ruby, React, Postgres, Elastic, Redis, AWS, Kafka, Docker, Kubernetes, CircleCI and much more.
What You'll Be Doing
- Design and develop a highly reliable, available, and scalable architecture for our core services and web applications in a new promising product
- Deploy your code to production daily (we have advanced CI/CD pipelines)
- Be a strong owner of production systems, keeping them running smoothly
- Active part in planning the team roadmap and products
- Collaborating with design and product teams to define and implement new features
Qualifications
- B.Sc. in Computer Science or equivalent certifications
- 3+ years of proven experience in hands-on server-side coding
- Hands-on experience in React
- Hands-on experience in Node - advantage
- Proven experience in full-stack development, with proficiency in both frontend and backend technologies.
- Strong understanding of databases (SQL, NoSQL) and familiarity with cloud services (AWS, GCP).
- Great attitude - an independent self-learner and a strong team player
Life at Riskified
We are a fast-growing and dynamic tech company with 750+ team members globally. We value collaboration and innovative thinking.
We’re looking for bright, driven, and passionate people to grow with us.
Some of our Lisbon Benefits & Perks:
- Hybrid mode of work
- Flexible schedule
- Healthcare & dental benefits
- Fully-stocked kitchens
- Benefits package per month—per your choice, e.g., work-from-home equipment, gym membership, wellbeing activities, and more.
- Wellness program
- Celebrations and activities
- Team events
- Happy hours
- Awesome Riskified gifts and swags
- Volunteer programs
- Personal development
- Global onboarding
- Role-based technical skills training
- Full access to Udemy
In the News
Built In: How We Built This: A Riskified Technologist Unpacks The Company’s Beacon Technology
Globes: Riskified is among Israel’s fastest growing companies
Yahoo: Riskified Earns "Top Rated" Award Across Four TrustRadius Solution Categories
Riskified is deeply committed to the principle of equal opportunity for all individuals. We do not discriminate based on race, color, religion, sex, sexual orientation, national origin, age, disability, veteran status, or any other status protected by law.
Ready to apply?
Apply to Riskified
Performance QA Engineer
Veeam is the Data and AI Trust Company, specializing in helping organizations ensure their data and AI are fully understood, secured, and resilient to enable the acceleration of safe AI at scale. As the market leader in both data resilience and data security posture management, Veeam is built for the convergence of identity, data, security, and AI risk. Headquartered in Seattle with offices in more than 30 countries, Veeam protects over 550,000 customers worldwide, who trust Veeam to keep their businesses running. Join us as we go fearlessly forward together, growing, learning, and making a real impact for some of the world’s biggest brands.
About the Role
The Veeam Quality Assurance team invites you to work on Veeam products with Veeam QA professionals in the Lisbon R&D office.
As a Performance QA Engineer, you will work on large‑scale, real‑world backup and data protection scenarios used by enterprises worldwide. Your work will directly influence the scalability, reliability, and performance of Veeam products running in some of the most demanding environments.
What You'll Do
- Design and execute performance, load, and scalability testing for major components of Veeam products (from requirement analysis and lab design to test execution and results analysis)
- Build and maintain realistic enterprise‑grade test environments, including large infrastructures and complex topologies
- Identify performance bottlenecks and system limits, and work closely with developers, functional QA, and product managers to resolve them
- Participate in root cause analysis of performance issues reported by Technical Support and customers
- Own and evolve performance test labs: environment creation, configuration, monitoring, and collaboration with IT teams
What You'll Bring
- Technical education or a strong, hands‑on passion for systems and performance
- 1–2 years of experience in performance and/or load testing (or a strong practical background in system performance)
- Ability to analyze test results and clearly identify bottlenecks, limits, and performance risks
- Solid knowledge of Windows and/or Linux at an advanced user or system administration level
- Good understanding of system internals: CPU, memory, storage, networking
- Strong analytical mindset, attention to detail, and structured thinking
- Motivation to grow as a performance and scalability engineer
- English proficiency for daily communication within international teams
Bonus Skills
- Experience with databases (Microsoft SQL Server, PostgreSQL), including profiling and performance analysis
- Scripting, test automation, or infrastructure deployment experience
- Understanding of virtualization platforms and large virtual environments
- Hands‑on experience with cloud platforms (Azure, AWS, Google Cloud)
- Experience with Python
- Familiarity with Ansible, Terraform, or similar infrastructure‑as‑code tools
What You'll Get
- 24 annual vacation days, plus 4 extra global VeeaMe Days for self-care and 24 paid volunteer hours annually through Veeam Cares
- Private medical, dental, and optical insurance for employees and dependents
- Life and disability insurance worth 2x gross annual salary
- Monthly meal allowance of €10.46 per working day
- Opportunities to learn and grow through on-demand libraries (LinkedIn Learning, O’Reilly), mentoring, workshops and learning events like our annual Global Day of Learning
#LI-YS1
#Hybrid
Please note that any personal data collected from you during the recruitment process will be processed in accordance with our Recruiting Privacy Notice.
The Privacy Notice sets out the basis on which the personal data collected from you, or that you provide to us, will be processed by us in connection with our recruitment processes.
By applying for this position, you consent to the processing of your personal data in accordance with our Recruiting Privacy Notice.
By submitting your application, you acknowledge that the information provided in your job application and any supporting documents is complete and accurate to the best of your knowledge. Any misrepresentation, omission, or falsification of information may result in disqualification from consideration for employment or, if discovered after employment begins, termination of employment.
Ready to apply?
Apply to Veeam Software
Senior Backend Engineer
We are Kaizen Gaming
Kaizen Gaming, the team powering Betano, is one of the biggest GameTech companies in the world, operating in 20 markets. We always aim to leverage cutting-edge technology, providing the best experience to our millions of customers who trust us for their entertainment.
We are a diverse team of more than 2.700 Kaizeners, from 40+ nationalities spreading across 3 continents.
Our #oneteam is proud to be among the Best Workplaces in Europe and certified Great Place to Work across our offices. Here, there’ll be no average day for you. Ready to Press Play on Potential?
Let's start with the role
You will join an autonomous Agile team and work closely with the Product Owner, Agile Delivery Lead, Automation Testers, and other Software Engineers to create a competitive advantage for Kaizen and offer a unique online experience to our customers. Besides being part of the Agile team, you will work closely talented backend professional within the Backend Chapter.
Senior Software engineers in Kaizen are responsible for a multitude of projects, from our customer-facing websites and mobile applications to our admin and internal tools and backend services, most of them withstanding high volume / traffic.
- Assume full responsibility for our applications on an engaging development journey.
- Create new solutions and see them through, from conception to production;
- Turn requirements into simple and sophisticated technological systems. Our large scale, highly available infrastructure is at the core of that challenge;
- Play a central role on Design, build, and maintain efficient, reusable, and reliable code;
- Research new technologies to find new and efficient ways to solve day to day challenges;
- Ship high-value features quickly;
- Challenge the status quo and improve the team and product;
Most of our sites and services are written in in C# / ASP.NET and new services are written in .NET Core. New applications use vue.js or Angular in the front-end while older ones use server-rendered (Razor) views in combination with jQuery. Microsoft Orleans enables our scalable and robust distributed applications. MS SQL Server is used for most of our storage needs, but also Redis and ElasticSearch are used when it makes sense to do so. RabbitMQ is our go-to message broker. We use Gitlab for code versioning and CI, and the Atlassian stack for tickets and documentation.
What you'll bring
- At least 6+ years of experience developing production-level software using .NET Core;
- Proficient in C# and MVC;
- Experience with Testing/Metrics Monitoring/Logging on a large scale distributed system;
- Experience with Microservices architecture;
- Experience with asynchronous flows using message brokers;
- Good understanding of basic web technologies, such as HTTP, REST, etc.;
- Practical knowledge of algorithms and design patterns;
- Passionate about delivering high-quality code;
- Fluent in English, both oral and written.
Nice to have:
- Expertise in concurrency, multi-threading, and event-driven architecture;
Kaizen Gaming Perks
- 🕑 Hybrid way of working
- 🏃 A buddy will support you with your onboarding
- 💸 Competitive pay & bonus scheme
- 👩⚕️ Private health insurance for you and your family
- 💰 Monthly meal allowance
- ⭐Developmental 360° feedback framework
- 📚 Unlimited access to Udemy & continuous training
#LI-Hybrid
#LI-Remote
Recruitment Privacy Notice
Regarding the data you share with us, you may find and read our recruitment privacy notice here.
We are an equal opportunity employer committed to fostering a diverse and inclusive workplace. We welcome applications from individuals of all backgrounds, regardless of race, gender, religion, sexual orientation,or age.
Ready to apply?
Apply to Kaizen Gaming
Backend Engineer
We are Kaizen Gaming
Kaizen Gaming, the team powering Betano, is one of the biggest GameTech companies in the world, operating in 20 markets. We always aim to leverage cutting-edge technology, providing the best experience to our millions of customers who trust us for their entertainment.
We are a diverse team of more than 2.700 Kaizeners, from 40+ nationalities spreading across 3 continents.
Our #oneteam is proud to be among the Best Workplaces in Europe and certified Great Place to Work across our offices. Here, there’ll be no average day for you. Ready to Press Play on Potential?
Lets start with the role:
- Create new solutions and see them through, from conception to production;
- Turn requirements into simple and sophisticated technological systems. Our large scale, highly available infrastructure is at the core of that challenge;
- Design, build, and maintain efficient, reusable, and reliable code;
- Research new technologies to find new and efficient ways to solve day to day challenges;
- Ship high-value features quickly;
- Challenge the status quo and improve the team and product.
Most of our sites and services are written in C# / ASP.NET and new services are written in .NET Core. New applications use vue.js in the front-end while older ones use server-rendered (Razor) views in combination with jQuery & Knockout.js. MS SQL Server is used for most of our storage needs, but also uses Redis and ElasticSearch when it makes sense to do so. RabbitMQ is our go-to message broker. We use Gitlab for code versioning and CI, and the Atlassian stack for tickets and documentation.
What you’ll bring:
- At least 4 years of experience developing production-level software using Microsoft .NET (full framework or .NET Core);
- Proficient in C# and MVC;
- Good understanding of basic web technologies, such as HTTP, REST, etc.;
- Practical understanding of algorithms and design patterns;
- Passionate about delivering high-quality code;
- Fluent in English, both oral and written.
Kaizen Gaming Perks
- 🕑 Hybrid model of working
- 🏃 A buddy will support you with your onboarding
- 💸 Competitive salary package and bonus scheme
- 👩⚕️ Health and life insurance for you and your family
- 💰 Monthly meal allowance
- ⭐Developmental 360° feedback framework
- 📚 Unlimited access to Udemy & continuous training
- 👨👩👧👦 Family Support
- #LI-Remote
Recruitment Privacy Notice
Regarding the data you share with us, you may find and read our recruitment privacy notice here.
We are an equal opportunity employer committed to fostering a diverse and inclusive workplace. We welcome applications from individuals of all backgrounds, regardless of race, gender, religion, sexual orientation,or age.
Ready to apply?
Apply to Kaizen Gaming
Database Administrator
We are Kaizen Gaming
Kaizen Gaming, the team powering Betano, is one of the biggest GameTech companies in the world, operating in 20 markets. We always aim to leverage cutting-edge technology, providing the best experience to our millions of customers who trust us for their entertainment.
We are a diverse team of more than 2.700 Kaizeners, from 40+ nationalities spreading across 3 continents.
Our #oneteam is proud to be among the Best Workplaces in Europe and certified Great Place to Work across our offices. Here, there’ll be no average day for you. Ready to Press Play on Potential?
Let's start with the role
We are looking for a Database Administrator to join our team. In this role, you will be responsible for maintaining, troubleshooting, and optimizing our MS SQL Server environments, with a strong focus on availability, security, and performance. You will play a key role in ensuring the continuous operation of our databases, particularly in complex, high-availability scenarios such as Availability Groups. In addition, you will apply your knowledge of alternative database engines, such as MongoDB and CockroachDB, along with your expertise in cloud-based database administration.
- Provide comprehensive day-to-day support, monitoring, troubleshooting, and administration for multiple MS SQL databases, with a particular focus on high-availability configurations like Availability Groups.
- Diagnose and resolve complex performance and availability issues, performing in-depth root cause analysis to prevent future occurrences.
- Oversee database maintenance processes, including performance tuning, index management, and job automation, ensuring optimal operation.
- Develop and enforce backup and recovery policies, ensuring database resilience and disaster recovery readiness.
- Apply security patches, conduct version upgrades, and enforce strict compliance with database security best practices.
- Handle support calls and resolve technical issues promptly, including responses to security incidents and operational challenges.
- Leverage expertise in alternative database engines like MongoDB and CockroachDB to contribute to cross-functional database projects.
- Manage and optimize cloud-based database environments, ensuring scalability, performance, and reliability in cloud infrastructure.
What You'll Bring
- Solid, hands-on experience in MS SQL Server database administration in production environments.
- Extensive experience with MS SQL Server database features, including Jobs Scheduling, Monitoring, Patching, Backup/Recovery, Replication, Availability Groups, and Always On configurations.
- Good knowledge of memory tables and table partitioning
- Proven expertise in diagnosing and resolving performance bottlenecks and availability issues.
- Good understanding of alternative database engines like PostgreSQL, MongoDB, and CockroachDB, with practical experience in administration and troubleshooting.
- Good knowledge of cloud database administration, with experience on platforms such as Azure.
- Practical experience with Git version control / GitLab.
- Fluency in English, both written and spoken, with excellent communication skills.
- Strong teamwork, analytical thinking, and problem-solving abilities, combined with a proactive approach to continuous learning.
Kaizen Gaming Perks
- 🕑 Hybrid way of working
- 🏃 A buddy will support you with your onboarding
- 💸 Competitive pay & bonus scheme
- ⭐Developmental 360° feedback framework
- 💰 Monthly meal allowance
- 👩⚕️ Private health insurance for you and your family
- 📚 Unlimited access to Udemy & continuous training
- 👨👩👧👦 Family Support.
Recruitment Privacy Notice
Regarding the data you share with us, you may find and read our recruitment privacy notice here.
We are an equal opportunity employer committed to fostering a diverse and inclusive workplace. We welcome applications from individuals of all backgrounds, regardless of race, gender, religion, sexual orientation,or age.
Ready to apply?
Apply to Kaizen Gaming
Junior Backend Engineer
We are Kaizen Gaming
Kaizen Gaming, the team powering Betano, is one of the biggest GameTech companies in the world, operating in 20 markets. We always aim to leverage cutting-edge technology, providing the best experience to our millions of customers who trust us for their entertainment.
We are a diverse team of more than 2.700 Kaizeners, from 40+ nationalities spreading across 3 continents.
Our #oneteam is proud to be among the Best Workplaces in Europe and certified Great Place to Work across our offices. Here, there’ll be no average day for you. Ready to Press Play on Potential?
Let’s start with the role
- Design, build and maintain efficient, reusable and reliable code;
- Develop interfaces between components of heterogeneous subsystems running in a high-volume transaction-oriented production environment;
- Ensure the best possible performance, quality, and responsiveness of applications;
- Identify bottlenecks and bugs, and devise solutions to complex problems.
Tech stack
Most of our sites and services are written in C# / ASP.NET. Newer services are written in .NET Core. New applications use vue.js in the front-end while older ones use server-rendered (Razor) views in combination with jQuery & Knockout.js. MS SQL server is used for most of our storage needs, but also uses Redis and ElasticSearch when it makes sense to do so. RabbitMQ is our go-to message broker. We use Gitlab for code versioning and CI, and the Atlassian stack for tickets and documentation.
What you’ll bring
- At least 1 year of development experience using C# / ASP.NET / MVC (full framework or .NET Core);
- Basic understanding of basic web technologies, such as HTTP, etc.;
- Experience with data access (databases / APIs);
- Exposure to unit testing is a plus.
Kaizen Gaming Perks
- 🕑 Hybrid model of working;
- 🏃 A buddy will support you with your onboarding;
- 💸 Competitive salary package and bonus scheme;
- 👩⚕️ Health and life insurance for you and your family;
- 💰 Monthly meal allowance
- ⭐Developmental 360° feedback framework;
- 📚 Unlimited access to Udemy & continuous training
#LI-Remote
#LI-Hybrid
Recruitment Privacy Notice
Regarding the data you share with us, you may find and read our recruitment privacy notice here.
We are an equal opportunity employer committed to fostering a diverse and inclusive workplace. We welcome applications from individuals of all backgrounds, regardless of race, gender, religion, sexual orientation,or age.
Ready to apply?
Apply to Kaizen Gaming
Software Engineer | Portugal
Software Engineer, University Graduate
at SingleStore
Lisbon, Portugal
Position Overview
SingleStore Software Engineers are at the forefront of real-time technology that’s revolutionizing how companies run their businesses every day. With release cycles throughout the year, our engineers are accustomed to moving quickly in a rapid production environment. To do this successfully, we work collaboratively and creatively across teams to maximize our opportunity for impact. We also believe it’s important to celebrate our wins together, whether it be at a local spot or getting out of the city for some exploring.
As a Software Engineer, you will be empowered to own your projects end-to-end and be an active contributor throughout the product life cycle. To expedite your growth path, you will partner with engineers who deeply care about your success and will lend their expertise to your professional development. Our engineers are not just technical partners, but are also business partners who are exposed to all areas of the business, working with teams such as product, marketing, and sales.
Role and Responsibilities
Our Software Engineers work on small, collaborative teams to help drive our company forward. Whether you’re building new features using cutting-edge technologies like WASM, improving the fault tolerance a SingleStore cluster, accelerating the performance of SQL queries with techniques like SIMD and LLVM codeGen, or writing search and costing modules for the query optimizer, our University Graduates are responsible for brand new and existing projects that are deployed into production with each release. Your work will include everything from writing to testing software, and you’ll gain a significant understanding of both the product and the business.
Required Skills and Experience
B.S. Degree in Computer Science, Electrical Engineering, Computer Engineering, or related discipline. Deep understanding of C.S. fundamentals, in particular operating systems, concurrency, multithreading, and server architectures. Strong programming skills with C++ or C. Passionate about building highly reliable software. Firm grasp of algorithms and data structures
SingleStore delivers the cloud-native database with the speed and scale to power the world’s data-intensive applications. With a distributed SQL database that introduces simplicity to your data architecture by unifying transactions and analytics, SingleStore empowers digital leaders to deliver exceptional, real-time data experiences to their customers. SingleStore is venture-backed and headquartered in San Francisco with offices in Sunnyvale, Raleigh, Seattle, Boston, London, Lisbon, Bangalore, Dublin, and Kyiv.
Consistent with our commitment to diversity & inclusion, we value individuals with the ability to work on diverse teams and with a diverse range of people.
To all recruitment agencies: SingleStore does not accept agency resumes. Please do not forward resumes to SingleStore employees. SingleStore is not responsible for any fees related to unsolicited resumes and will not pay fees to any third-party agency or company that does not have a signed agreement with the Company.
Ready to apply?
Apply to SingleStore
About Us
Riskified empowers businesses to unleash ecommerce growth by taking risk off the table. Many of the world’s biggest brands and publicly traded companies selling online rely on Riskified for guaranteed protection against chargebacks, to fight fraud and policy abuse at scale, and to improve customer retention. Developed and managed by the largest team of ecommerce risk analysts, data scientists and researchers, Riskified’s AI-powered fraud and risk intelligence platform analyzes the individual behind each interaction to provide real-time decisions and robust identity-based insights. Riskified is proud to work with incredible companies in virtually all industries including Acer, Gucci, Lorna Jane, GoPro, and many more.
We thrive in a collaborative work setting, alongside great people, to build and enhance products that matter. Abundant opportunities to create and contribute provide us with a sense of purpose that extends beyond ourselves, leaving a lasting impact. These sentiments capture why we choose Riskified every day.
About the Role
Join Riskified’s dynamic payment fraud group as a Senior Backend Developer and contribute to our innovative and rapidly expanding department. In this role, you’ll thrive in an Agile setting, utilizing cutting-edge technologies to build impactful FinTech products. You’ll play a crucial role in expanding Riskified’s ecosystem, collaborating with both clients and internal teams to make a daily difference to our business.
At Riskified, we uphold the belief that developers should exercise complete ownership over their work. This responsibility covers everything from the initial phase of planning features, where collaboration occurs with Product and Design teams, to carefully choosing suitable technologies, designing code and architecture, conducting pull request reviews, and reaching the final step of deployment within a CI/CD setup. Overseeing post-deployment monitoring is also part of your duties.
Whether you enjoy writing complex business logic in the backend, take pleasure in writing clean and high-quality code, or tweaking the servers and infrastructure to perform well at scale, we encourage you to get your hands dirty end-to-end.
Our Technology Stack: Scala, Node.js, AWS, Kafka, Docker, Kubernetes, Spark, Aerospike
What You'll Be Doing
- Conceptualize and develop highly scalable architectures for our machine learning systems and platforms.
- Engage with large-scale projects encompassing real-time and batch jobs, working across a spectrum of programming languages (Scala, Node.js) and technologies (Apache Spark, Kafka, Kubernetes, Docker, etc.).
- Execute daily code deployments to production, leveraging our advanced CI/CD tools.
- Play an important role in the end-to-end development of products that significantly enhance Riskified’s core offerings.
- Collaborate closely with engineering and product management teams to ideate, design, and implement new features across the product landscape.
Qualifications
- Bachelor of Science degree in Computer Science or a related technical field.
- Over 7 years of demonstrated hands-on experience in server-side coding.
- Possess a self-directed learning approach to software development.
- Dedication to crafting clean, SOLID, and resilient code.
- Proficiency in Scala/Java, supported by practical work experience.
- Proficiency in database technologies (SQL/noSQL).
- Familiarity with stream applications is advantageous.
- Proficiency in working effectively with common AI tools.
- Experience in and a passion for mentoring and coaching fellow developers.
- A collaborative team player with exceptional communication skills and the capacity to work autonomously.
Join us in shaping the future of Riskified’s innovative FinTech solutions, contributing to our cutting-edge environment while honing your skills as a Backend Developer. If you’re ready to take on impactful challenges and excel in a collaborative, forward-thinking team, we encourage you to apply.
Life at Riskified
We are a fast-growing and dynamic tech company with 750+ team members globally. We value collaboration and innovative thinking.
We’re looking for bright, driven, and passionate people to grow with us.
Some of our Lisbon Benefits & Perks:
- Hybrid mode of work
- Flexible schedule
- Healthcare benefits
- Fully-stocked kitchens
- Benefits package per month—per your choice, e.g., work-from-home equipment, gym membership, wellbeing activities, and more.
- Wellness program
- Celebrations and activities
- Team events
- Happy hours
- Awesome Riskified gifts and swags
- Volunteer programs
- Personal development
- Global onboarding
- Role-based technical skills training
- Full access to Udemy
In the News
Built In: How We Built This: A Riskified Technologist Unpacks The Company’s Beacon Technology
Globes: Riskified is among Israel’s fastest growing companies
Yahoo: Riskified Earns "Top Rated" Award Across Four TrustRadius Solution Categories
Riskified is deeply committed to the principle of equal opportunity for all individuals. We do not discriminate based on race, color, religion, sex, sexual orientation, national origin, age, disability, veteran status, or any other status protected by law.
Ready to apply?
Apply to Riskified
Manual QA Engineer - Portugal
BrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing. Young, ambitious, and unstoppable, we've already taken Cyprus, Malta, Portugal, Poland, and Serbia by storm. Our BRO team consists of 1,300 bright minds creating innovative ideas and products. We don’t follow formats. We shape them. We build what works, launch it fast, and make sure it hits.
❗️ Important: This is an On-Site Position in Lisbon❗️
This is an on-site position based at our office in the Lisbon Metropolitan area. Remote or hybrid arrangements are not available once you join the team.
Are you ready for an international move? We are looking for candidates who are either already based in Lisbon or are eager to relocate to Portugal. To make your transition smooth, we provide full relocation support and visa sponsorship for successful international candidates.
📍 See where you'll be working: BrainRocket Portugal
⚡ We are looking for a highly skilled Manual QA Engineer to join our Platform team. In this role, you will be responsible for ensuring the quality, stability, and scalability of our core platform components, actively contributing to our testing processes for complex architectural features and integrations.
✅ Requirements:
• 4+ years of experience in software testing.
• Mandatory experience in backend testing and a deep understanding of client-server architecture.
• Strong experience in API testing (REST, JSON) using tools like Postman, Swagger, or similar.
• Solid SQL knowledge (ability to write complex queries, joins, and work with databases directly).
• Experience in defining the scope of testing, maintaining test documentation (Test Plans, Test Cases, Checklists).
• Experience in contributing to and evolving existing test strategies, as well as implementing process improvements.
• Advanced analytical troubleshooting skills, attention to detail, and a scientific approach to problem-solving (e.g., reading logs, analyzing network traffic).
• Proficiency with JIRA and Confluence.
• Strong verbal and written communication skills to effectively collaborate with developers, architects, and product managers.
• Upper-Intermediate level of English (both verbal and written).
✅ Will be a plus:
• Experience in test automation (TypeScript) and a willingness to contribute to automated testing processes.
• Experience in Mobile testing (iOS/Android).
• Familiarity with CI/CD pipelines and tools.
• Experience with Allure TestOps as TMS.
✅ Duties and opportunities:
• Perform end-to-end manual testing of the core platform features, APIs, and integrations.
• Collaborate with the team to evolve and implement changes to the overall platform test strategy.
• Investigate and localize issues, working closely with devtools, logs and databases.
• Manage defects in the bug-tracking system and oversee them through the entire lifecycle.
• Support release process.
• Actively collaborate with cross-functional teams (Development, DevOps, Product) to identify risks and improve product quality at early stages.
• Mentor junior/middle QA engineers and contribute to QA process improvements within the platform team.
✅ We offer excellent benefits, including but not limited to:
💻 Learning and development opportunities and interesting, challenging tasks.
✈️ Relocation package (tickets, staying in a hotel for up to 2 weeks, and visa relocation support for our employees and their family members).
📚 Opportunity to develop language skills, with partial compensation for the cost of English and Portuguese language classes (for localization purposes).
🎾 Partial compensation for tennis and padel lessons.
🏀 Urban Sport membership benefit (the most diverse sports and wellness offering in Europe, with more than 50+ activities).
🏥 Private medical coverage, including inpatient, outpatient, dental care, annual check-ups, and maternity support.
🏝 Time for proper rest, with 24 non-business days per year and an additional 6 paid sick days.
🚌 Transport compensation - 200 euros net per month.
📈 Competitive remuneration level with annual review.
🤝 Teambuilding activities.
Bold moves start here. Make yours. Apply today!
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Software Engineer
Software Engineer, University Graduate
at SingleStore
Lisbon, Portugal
Position Overview
SingleStore Software Engineers are at the forefront of real-time technology that’s revolutionizing how companies run their businesses every day. With release cycles throughout the year, our engineers are accustomed to moving quickly in a rapid production environment. To do this successfully, we work collaboratively and creatively across teams to maximize our opportunity for impact. We also believe it’s important to celebrate our wins together, whether it be at a local spot or getting out of the city for some exploring.
As a Software Engineer, you will be empowered to own your projects end-to-end and be an active contributor throughout the product life cycle. To expedite your growth path, you will partner with engineers who deeply care about your success and will lend their expertise to your professional development. Our engineers are not just technical partners, but are also business partners who are exposed to all areas of the business, working with teams such as product, marketing, and sales.
Role and Responsibilities
Our Software Engineers work on small, collaborative teams to help drive our company forward. Whether you’re building new features using cutting-edge technologies like WASM, improving the fault tolerance a SingleStore cluster, accelerating the performance of SQL queries with techniques like SIMD and LLVM codeGen, or writing search and costing modules for the query optimizer, our University Graduates are responsible for brand new and existing projects that are deployed into production with each release. Your work will include everything from writing to testing software, and you’ll gain a significant understanding of both the product and the business.
Required Skills and Experience
B.S. Degree in Computer Science, Electrical Engineering, Computer Engineering, or related discipline. Deep understanding of C.S. fundamentals, in particular operating systems, concurrency, multithreading, and server architectures. Strong programming skills with C++ or C. Passionate about building highly reliable software. Firm grasp of algorithms and data structures
SingleStore delivers the cloud-native database with the speed and scale to power the world’s data-intensive applications. With a distributed SQL database that introduces simplicity to your data architecture by unifying transactions and analytics, SingleStore empowers digital leaders to deliver exceptional, real-time data experiences to their customers. SingleStore is venture-backed and headquartered in San Francisco with offices in Sunnyvale, Raleigh, Seattle, Boston, London, Lisbon, Bangalore, Dublin, and Kyiv.
Consistent with our commitment to diversity & inclusion, we value individuals with the ability to work on diverse teams and with a diverse range of people.
To all recruitment agencies: SingleStore does not accept agency resumes. Please do not forward resumes to SingleStore employees. SingleStore is not responsible for any fees related to unsolicited resumes and will not pay fees to any third-party agency or company that does not have a signed agreement with the Company.
Ready to apply?
Apply to SingleStore
Software Engineer Intern, Helios(Summer 2026)
Software Engineer Intern, Helios(Summer 2026)
at SingleStore
Lisbon, Portugal
Position Overview
As a Software Engineer, Intern, you'll have the opportunity to spend 12 weeks working on one (or more) of the engineering teams at SingleStore. You will be at the forefront of real-time technology that’s revolutionizing how companies run their businesses every day. With a continuous release cycle, our engineers are accustomed to moving quickly in a rapid production environment. To do this successfully, we work collaboratively and creatively across teams to maximize our opportunity for impact. We also believe it’s important to celebrate our wins together, whether it be at a local spot or getting out of the city for some exploring.
As a Software Engineer, Intern, you will be empowered to own your projects end-to-end and be an active contributor throughout the product life cycle. To expedite your growth path, you will partner with engineers who deeply care about your success and will lend their expertise to your professional development. Our engineers are not just technical partners/mentors, but are also business partners who are exposed to all areas of the business, working with teams such as product, marketing, and sales.
Role and Responsibilities
Our Software Engineers work on small, collaborative teams to help drive our company forward. Our interns are responsible for projects that are deployed continuously into production over the course of their internship. Your work will include everything from writing new features to testing software and you’ll gain a significant understanding of both the product and the business.
Required Skills and Experience
Helios Team
Enrolled in a B.S. Degree in Computer Science, Electrical Engineering, Computer Engineering, or related disciplineDeep understanding of C.S. fundamentalsStrong programming skills with JavaScript, Golang or TypeScriptPassionate about building highly reliable softwareFirm grasp of algorithms and data structures
Preferred skill and experience
Understanding of core C.S. fundamentals, in particular operating systems, distributed systems, concurrency, multithreading, and server architectures
SingleStore delivers the cloud-native database with the speed and scale to power the world’s data-intensive applications. With a distributed SQL database that introduces simplicity to your data architecture by unifying transactions and analytics, SingleStore empowers digital leaders to deliver exceptional, real-time data experiences to their customers. SingleStore is venture-backed and headquartered in San Francisco with offices in Sunnyvale, Raleigh, Seattle, Boston, London, Lisbon, Bangalore, Dublin and Kyiv.
Consistent with our commitment to diversity & inclusion, we value individuals with the ability to work on diverse teams and with a diverse range of people.
Sponsorship is available for this position and other select roles
Please note that SingleStore’s COVID-19 vaccination policy requires that team members in the United States be fully vaccinated, including a booster shot with one of the United States FDA-approved vaccine options to meet in person for SingleStore business or to work from one of our U.S. office locations. [It is expected that this will be a requirement for this role]. If an exemption and/or accommodation to our vaccination policy is requested, a member of the Human Resources department will be available to begin the interactive accommodation process.
To all recruitment agencies: SingleStore does not accept agency resumes. Please do not forward resumes to SingleStore employees. SingleStore is not responsible for any fees related to unsolicited resumes and will not pay fees to any third-party agency or company that does not have a signed agreement with the Company.
Ready to apply?
Apply to SingleStore
Software Engineer Intern, Engine (Summer 2026)
Software Engineer Intern, Engine (Summer 2026)
at SingleStore
Lisbon, Portugal
Position Overview
As a Software Engineer, Intern, you'll have the opportunity to spend 12 weeks working on one (or more) of the engineering teams at SingleStore. As an intern, you will be at the forefront of real-time technology that’s revolutionizing how companies run their businesses every day. With release cycles throughout the year, our engineers are accustomed to moving quickly in a rapid production environment. To do this successfully, we work collaboratively and creatively across teams to maximize our opportunity for impact. We also believe it’s important to celebrate our wins together whether it be at a local spot or getting out of the city for some exploring.
As a Software Engineer Intern, you will be empowered to own your projects end-to-end and be an active contributor throughout the product life cycle. To expedite your growth path, you will partner with engineers who deeply care about your success and will lend their expertise to your professional development. Our engineers are not just technical partners/mentors, but are also business partners who are exposed to all areas of the business, working with teams such as product, marketing, and sales.
Role and Responsibilities
Our Software Engineers work on small, collaborative teams to help drive our company forward. Whether you’re exploring cutting-edge technologies like LLM and vector index, improving the fault tolerance of a SingleStore cluster, accelerating the performance of SQL queries with techniques like SIMD and LLVM codeGen, or writing search and costing modules for the query optimizer, our interns are responsible for projects that are deployed into production in the next release after your internship. Your work will include everything from writing to testing software, and you’ll gain a significant understanding of both the product and the business.
Required Skills and Experience
Enrolled in a B.S. Degree in Computer Science, Computer Engineering, Electrical Engineering, or related disciplineDeep understanding of C.S. fundamentalsStrong programming skills with C++ or CPassionate about building highly reliable softwareFirm grasp of algorithms and data structures
Preferred skill and experience
Understanding of core C.S. fundamentals, in particular operating systems, distributed systems, concurrency, multithreading, and server architectures
SingleStore delivers the cloud-native database with the speed and scale to power the world’s data-intensive applications. With a distributed SQL database that introduces simplicity to your data architecture by unifying transactions and analytics, SingleStore empowers digital leaders to deliver exceptional, real-time data experiences to their customers. SingleStore is venture-backed and headquartered in San Francisco with offices in Sunnyvale, Seattle, Raleigh, Boston, Lisbon, London, Bangalore, Dublin, and Kyiv.
Consistent with our commitment to diversity & inclusion, we value individuals with the ability to work on diverse teams and with a diverse range of people.
Sponsorship is available for this position and other select roles
Please note that SingleStore’s COVID-19 vaccination policy requires that team members in the United States be fully vaccinated, including a booster shot with one of the United States FDA-approved vaccine options to meet in person for SingleStore business or to work from one of our U.S. office locations. [It is expected that this will be a requirement for this role]. If an exemption and/or accommodation to our vaccination policy is requested, a member of the Human Resources department will be available to begin the interactive accommodation process.
To all recruitment agencies: SingleStore does not accept agency resumes. Please do not forward resumes to SingleStore employees. SingleStore is not responsible for any fees related to unsolicited resumes and will not pay fees to any third-party agency or company that does not have a signed agreement with the Company.
Ready to apply?
Apply to SingleStore
About Us
Riskified empowers businesses to unleash ecommerce growth by taking risk off the table. Many of the world’s biggest brands and publicly traded companies selling online rely on Riskified for guaranteed protection against chargebacks, to fight fraud and policy abuse at scale, and to improve customer retention. Developed and managed by the largest team of ecommerce risk analysts, data scientists and researchers, Riskified’s AI-powered fraud and risk intelligence platform analyzes the individual behind each interaction to provide real-time decisions and robust identity-based insights. Riskified is proud to work with incredible companies in virtually all industries including Acer, Gucci, Lorna Jane, GoPro, and many more.
We thrive in a collaborative work setting, alongside great people, to build and enhance products that matter. Abundant opportunities to create and contribute provide us with a sense of purpose that extends beyond ourselves, leaving a lasting impact. These sentiments capture why we choose Riskified every day.
About the Role
Join Riskified’s dynamic payment fraud group as a Backend Developer and contribute to our innovative and rapidly expanding department. In this role, you’ll thrive in an Agile setting, utilizing cutting-edge technologies to build impactful FinTech products. You’ll play a crucial role in expanding Riskified’s ecosystem, collaborating with both clients and internal teams to make a daily difference to our business.
At Riskified, we uphold the belief that developers should exercise complete ownership over their work, leveraging AI tools to enhance efficiency across the lifecycle. This responsibility covers everything from the initial phase of planning features, where collaboration occurs with Product and Design teams, to carefully choosing suitable technologies, designing code and architecture,using AI for quick drafting and analysis, conducting pull request reviews, and reaching the final step of deployment within a CI/CD setup. Additionally, overseeing post-deployment monitoring is also part of your duties.
Whether you enjoy writing complex business logic in the backend, take pleasure in writing clean and high-quality code, or tweaking the servers and infrastructure to perform well at scale, we encourage you to get your hands dirty end-to-end.
Our Technology Stack: Scala, Ruby on Rails, Node.js, AWS, Kafka, Docker, Kubernetes, Spark, Aerospike
What You'll Be Doing
- Conceptualize and develop highly scalable architectures for our machine learning systems and platforms, using AI tools to draft technical documentation and initial design proposals.
- Engage with large-scale projects encompassing real-time and batch jobs, working across a spectrum of programming languages (Scala, Node.js) and technologies (Apache Spark, Kafka, Kubernetes, Docker, etc.).
- Execute daily code deployments to production, leveraging our advanced CI/CD tools.
- Play an important role in the end-to-end development of products that significantly enhance Riskified’s core offerings.
- Collaborate closely with engineering and product management teams to ideate, design, and implement new features across the product landscape.
Qualifications
- Bachelor of Science degree in Computer Science or a related technical field.
- Over 3-5 years of demonstrated hands-on experience in server-side coding.
- Possess a self-directed learning approach to software development.
- Dedication to crafting clean, SOLID, and resilient code.
- Proficiency in Scala/Java, supported by practical work experience.
- Proficiency in database technologies (SQL/noSQL).
- Familiarity with stream applications is advantageous.
- A collaborative team player with exceptional communication skills and the capacity to work autonomously.
- Proactively adopts AI developer tools (e.g., code assistants) to improve coding efficiency and learning.
Join us in shaping the future of Riskified’s innovative FinTech solutions, contributing to our cutting-edge environment while honing your skills as a Backend Developer. If you’re ready to take on impactful challenges and excel in a collaborative, forward-thinking team, we encourage you to apply.
Life at Riskified
We are a fast-growing and dynamic tech company with 750+ team members globally. We value collaboration and innovative thinking.
We’re looking for bright, driven, and passionate people to grow with us.
Some of our Lisbon Benefits & Perks:
- Hybrid mode of work
- Flexible schedule
- Healthcare benefits
- Fully-stocked kitchens
- Benefits package per month—per your choice, e.g., work-from-home equipment, gym membership, wellbeing activities, and more.
- Wellness program
- Celebrations and activities
- Team events
- Happy hours
- Awesome Riskified gifts and swags
- Volunteer programs
- Personal development
- Global onboarding
- Role-based technical skills training
- Full access to Udemy
In the News
Built In: How We Built This: A Riskified Technologist Unpacks The Company’s Beacon Technology
Globes: Riskified is among Israel’s fastest growing companies
Yahoo: Riskified Earns "Top Rated" Award Across Four TrustRadius Solution Categories
Riskified is deeply committed to the principle of equal opportunity for all individuals. We do not discriminate based on race, color, religion, sex, sexual orientation, national origin, age, disability, veteran status, or any other status protected by law.
Ready to apply?
Apply to Riskified
About Us
Riskified empowers businesses to unleash ecommerce growth by taking risk off the table. Many of the world’s biggest brands and publicly traded companies selling online rely on Riskified for guaranteed protection against chargebacks, to fight fraud and policy abuse at scale, and to improve customer retention. Developed and managed by the largest team of ecommerce risk analysts, data scientists and researchers, Riskified’s AI-powered fraud and risk intelligence platform analyzes the individual behind each interaction to provide real-time decisions and robust identity-based insights. Riskified is proud to work with incredible companies in virtually all industries including Acer, Gucci, Lorna Jane, GoPro, and many more.
We thrive in a collaborative work setting, alongside great people, to build and enhance products that matter. Abundant opportunities to create and contribute provide us with a sense of purpose that extends beyond ourselves, leaving a lasting impact. These sentiments capture why we choose Riskified every day.
About the Role
As a Full-Stack Developer in Riskified’s Core Services Group, you’ll build and maintain applications end-to-end using various technologies. Working in a dynamic, agile environment with cutting-edge technologies, you’ll contribute to expanding Riskified’s ecosystem.
Our developers take full ownership, from feature planning with Product and Design to selecting technologies, designing architecture, coding, reviewing, deploying in a CI/CD environment, and monitoring post-deployment.
The team focuses on customer-facing applications, including a core web tool that allows merchants to review orders, perform actions, and gain insights through advanced analytics. Whether you’re crafting precise UI, developing robust backend logic, or optimizing infrastructure for scale, you’ll have the opportunity to engage end-to-end.
Our Stack: Scala, Spark, Node.js, Ruby, React, Postgres, Elastic, Redis, AWS, Kafka, Docker, Kubernetes, CircleCI and much more.
What You'll Be Doing
- Design and develop a highly reliable, available, and scalable architecture for our core services and web applications in a new promising product
- Deploy your code to production daily (we have advanced CI/CD pipelines)
- Be a strong owner of production systems, keeping them running smoothly
- Active part in planning the team roadmap and products
- Collaborating with design and product teams to define and implement new features
Qualifications
- B.Sc. in Computer Science or equivalent certifications
- 5+ years of proven experience in hands-on server-side coding
- Hands-on experience in React
- Hands-on experience in Node - advantage
- Proven experience in full-stack development, with proficiency in both frontend and backend technologies.
- Strong understanding of databases (SQL, NoSQL) and familiarity with cloud services (AWS, GCP).
- Great attitude - an independent self-learner and a strong team player
Life at Riskified
We are a fast-growing and dynamic tech company with 750+ team members globally. We value collaboration and innovative thinking.
We’re looking for bright, driven, and passionate people to grow with us.
Some of our Lisbon Benefits & Perks:
- Hybrid mode of work
- Flexible schedule
- Healthcare & dental benefits
- Fully-stocked kitchens
- Benefits package per month—per your choice, e.g., work-from-home equipment, gym membership, wellbeing activities, and more.
- Wellness program
- Celebrations and activities
- Team events
- Happy hours
- Awesome Riskified gifts and swags
- Volunteer programs
- Personal development
- Global onboarding
- Role-based technical skills training
- Full access to Udemy
In the News
Built In: How We Built This: A Riskified Technologist Unpacks The Company’s Beacon Technology
Globes: Riskified is among Israel’s fastest growing companies
Yahoo: Riskified Earns "Top Rated" Award Across Four TrustRadius Solution Categories
Riskified is deeply committed to the principle of equal opportunity for all individuals. We do not discriminate based on race, color, religion, sex, sexual orientation, national origin, age, disability, veteran status, or any other status protected by law.
Ready to apply?
Apply to Riskified