Rust Jobs in Lisbon.
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Senior Software Engineer, Storage Infrastructure
At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company.
At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in.
Available Locations: Austin, Seattle, London, Lisbon, Washington DC, Toronto
About the Department
Emerging Technologies & Incubation (ETI) is where new and bold products are built and released within Cloudflare. Rather than being constrained by the structures which make Cloudflare a massively successful business, we are able to leverage them to deliver entirely new tools and products to our customers. Cloudflare’s edge and network make it possible to solve problems at massive scale and efficiency which would be impossible for almost any other organization.
About the Team
ETI’s Storage Infrastructure team is responsible for the core storage layer that underpins many of ETI's stateful services. Our scope ranges from managing the physical hardware to operating the distributed databases and storage systems built upon it. We run this infrastructure globally across Cloudflare's network, which presents unique and complex engineering puzzles. We navigate efficiently expanding storage capacity, optimizing rebuild operations, and coordinating operations across failure domains to uphold durability. While other service teams focus on product development, our mission is to ensure the underlying storage is reliable, performant, and scalable.
You’ll be joining a highly motivated team that is building the next generation of distributed storage services.
What You’ll Do
In this role, you will help build and operate the next generation of globally distributed storage systems. You will own your code from inception to release, delivering solutions at all layers of the stack. On any given day, you might write a design document for a new provisioning system, model failure domain dependencies across edge locations, benchmark new storage hardware, build standardized observability and runbooks for distributed database clusters, or automate operational toil through purpose-built tooling and intelligent automation. You can expect to interact with a variety of languages and technologies including Rust, Go, Saltstack, and Terraform.
Examples of desirable skills, knowledge, and experience
- Strong programming skills with languages like Rust, Go, or Python
- A solid understanding of distributed systems concepts such as consistency, consensus, data replication, fault tolerance, and partition tolerance
- Experience with distributed databases and storage systems
- Experience with infrastructure configuration tooling and infrastructure as code
- Familiarity with storage fundamentals: block devices, filesystems, SSD characteristics
- Experience building and maintaining high-throughput, low-latency systems
- Understanding of network fundamentals as they relate to distributed storage -- bandwidth constraints, latency tradeoffs, cross-datacenter replication
- Strong written and verbal communication skills and ability to explain technical decisions clearly
- Comfortable operating in fast-paced environments with tight deadlines and evolving priorities
Equity
This role is eligible to participate in Cloudflare’s equity plan.
Benefits
Cloudflare offers a complete package of benefits and programs to support you and your family. Our benefits programs can help you pay health care expenses, support caregiving, build capital for the future and make life a little easier and fun! The below is a description of our benefits for employees in the United States, and benefits may vary for employees based outside the U.S.
Health & Welfare Benefits
- Medical/Rx Insurance
- Dental Insurance
- Vision Insurance
- Flexible Spending Accounts
- Commuter Spending Accounts
- Fertility & Family Forming Benefits
- On-demand mental health support and Employee Assistance Program
- Global Travel Medical Insurance
Financial Benefits
- Short and Long Term Disability Insurance
- Life & Accident Insurance
- 401(k) Retirement Savings Plan
- Employee Stock Participation Plan
Time Off
- Flexible paid time off covering vacation and sick leave
- Leave programs, including parental, pregnancy health, medical, and bereavement leave
What Makes Cloudflare Special?
We’re not just a highly ambitious, large-scale technology company. We’re a highly ambitious, large-scale technology company with a soul. Fundamental to our mission to help build a better Internet is protecting the free and open Internet.
Project Galileo: Since 2014, we've equipped more than 2,400 journalism and civil society organizations in 111 countries with powerful tools to defend themselves against attacks that would otherwise censor their work, technology already used by Cloudflare’s enterprise customers--at no cost.
Athenian Project: In 2017, we created the Athenian Project to ensure that state and local governments have the highest level of protection and reliability for free, so that their constituents have access to election information and voter registration. Since the project, we've provided services to more than 425 local government election websites in 33 states.
1.1.1.1: We released 1.1.1.1 to help fix the foundation of the Internet by building a faster, more secure and privacy-centric public DNS resolver. This is available publicly for everyone to use - it is the first consumer-focused service Cloudflare has ever released. Here’s the deal - we don’t store client IP addresses never, ever. We will continue to abide by our privacy commitment and ensure that no user data is sold to advertisers or used to target consumers.
Sound like something you’d like to be a part of? We’d love to hear from you!
Please note that applicants who progress to the offer stage of the interview process may be asked to attend an in-person interview within one of the Cloudflare Offices or Cloudflare Hubs. More details about this will be available at that stage of the interview process.
This position may require access to information protected under U.S. export control laws, including the U.S. Export Administration Regulations. Please note that any offer of employment may be conditioned on your authorization to receive software or technology controlled under these U.S. export laws without sponsorship for an export license.
Cloudflare is proud to be an equal opportunity employer. We are committed to providing equal employment opportunity for all people and place great value in both diversity and inclusiveness. All qualified applicants will be considered for employment without regard to their, or any other person's, perceived or actual race, color, religion, sex, gender, gender identity, gender expression, sexual orientation, national origin, ancestry, citizenship, age, physical or mental disability, medical condition, family care status, or any other basis protected by law. We are an AA/Veterans/Disabled Employer.
Cloudflare provides reasonable accommodations to qualified individuals with disabilities. Please tell us if you require a reasonable accommodation to apply for a job. Examples of reasonable accommodations include, but are not limited to, changing the application process, providing documents in an alternate format, using a sign language interpreter, or using specialized equipment. If you require a reasonable accommodation to apply for a job, please contact us via e-mail at hr@cloudflare.com or via mail at 101 Townsend St. San Francisco, CA 94107.
Ready to apply?
Apply to Cloudflare
Senior Software Engineer
Position Summary
SingleStore engineers build the real-time data platform that enables some of the world’s most demanding applications. Our cloud-native database architecture enables high-performance transactional and analytical workloads at scale.
Our Software Engineers work on small, collaborative teams to help drive our company forward. Whether you’re improving the fault tolerance a SingleStore cluster, accelerating the performance of SQL queries with techniques like SIMD vectorization and LLVM codeGen, or writing search and costing modules for the query optimizer, our engineers are responsible for building systems critical to high performance workloads.
Note: This role is open across multiple levels. Final leveling (Senior, Staff, or Principal) will be determined based on experience, scope of impact, and demonstrated technical leadership throughout the interview process.
What you'll do:
- Develop database engine features based on company direction and customer requests to ensure that requirements are met in a timely manner
- Deliver bug-free code in a low-level, unmanaged memory C++ environment
- Translate high-level customer requirements into actionable and deliverable software features
- Learn, propose, and adapt cutting-edge technologies from across industry and academia into SingleStore’s database architecture for ensuring optimal performance and throughput for customer workloads in both analytical and transactional scenarios
- Design and execute comprehensive test plans to evaluate database engine functionality, ensuring thorough coverage and accuracy, using Python, C++, and SQL
- Use low-level debugging techniques including GDB and Flame graphs to fix problems and improve performance
- Work on distributed systems algorithms and problems/components of core database engine behind SingleStore
- Take part in code reviews and design reviews for the purpose of software quality assurance
Your Experience:
- 4+ years of experience developing and debugging system-level software in unmanaged languages like C++ or Rust
- Bachelor’s degree in Computer Science or equivalent practical experience.
- Demonstrated ability to design and build highly reliable, high-performance system software.
Preferred Qualifications
- Knowledge of database architecture and operating systems
- Familiarity with distributed systems managed via Kubernetes
About us:
SingleStore delivers our 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.
SingleStore values individuals for their unique skills and experiences, and we’re proud to offer roles in a variety of locations across the United States. Salary is based on permissible, non-discriminatory factors such as skills, experience, and geographic location, and is just one part of our total compensation and benefits package. Certain roles are also eligible for additional rewards, including merit increases and annual bonuses.
For candidates residing in California, please see our California Recruitment Privacy Notice. For candidates residing in the EEA, UK, and Switzerland, please see our EEA, UK, and Swiss Recruitment Privacy Notice.
Ready to apply?
Apply to SingleStore
About Workato
Workato delivers enterprise infrastructure for the agentic era, redefining iPaaS and helping enterprises unify data, applications, processes, and AI into a single, governed platform. A leader in Enterprise MCP and trusted by 50% of the Fortune 500, Workato’s cloud-native architecture connects every application, data source, and process to power real-time orchestration at scale. With enterprise-grade security and continuous innovation at its core, Workato provides the trusted foundation for organizations to automate with confidence and operationalize AI across the business. To learn more, visit www.workato.com
Why join us?
Ultimately, Workato believes in fostering a flexible, trust-oriented culture that empowers everyone to take full ownership of their roles. We are driven by innovation and looking for team players who want to actively build our company.
But, we also believe in balancing productivity with self-care. That’s why we offer all of our employees a vibrant and dynamic work environment along with a multitude of benefits they can enjoy inside and outside of their work lives.
If this sounds right up your alley, please submit an application. We look forward to getting to know you!
Also, feel free to check out why:
-
Business Insider named us an “enterprise startup to bet your career on”
-
Forbes’ Cloud 100 recognized us as one of the top 100 private cloud companies in the world
-
Deloitte Tech Fast 500 ranked us as the 17th fastest growing tech company in the Bay Area, and 96th in North America
-
Quartz ranked us the #1 best company for remote workers
Responsibilities
We are looking for a Senior Rust Software Developer. In this role, you will also be responsible to:
-
Building new products inside the company.
-
Develop new code with Rust, and deal with existing Go/Ruby code
-
Create PoC in the new areas and drive them to production or drop them away.
Requirements
Qualifications / Experience / Technical Skills
- Strong experience writing, shipping, and maintaining Rust code (2+ years), and experience with other languages (Ruby, Python, Go, JS, Java, etc.)
- Knowledge of basic data structures and algorithms, multiprocessing, memory management.
- Experience developing high-performance asynchronous applications with Rust (preferably tokio).
- Good understanding of network protocols and stacks.
- Good understanding of DB technologies: classic databases and modern no-SQL.
- Basic knowledge of DevOps practices and tools
- Understanding of Linux environment
- Golang/Ruby knowledge is a plus
- Experience working with WASM is a plus
- Open Source contributions is a plus
Soft Skills / Personal Characteristics
- Readiness to work remotely with teams distributed across the world and timezones
- Spoken English (at the level enough to pass the technical interview and later work with colleagues)
- Being a result-oriented problem solver.
- Prefers coming up with proposals in problematic areas, rather than being passive.
- Being open to new technologies and switching between projects.
- Readiness to travel for business
(REQ ID: 2682)
Ready to apply?
Apply to Workato
Senior Software Engineer (Distributed systems)
About Workato
Workato delivers enterprise infrastructure for the agentic era, redefining iPaaS and helping enterprises unify data, applications, processes, and AI into a single, governed platform. A leader in Enterprise MCP and trusted by 50% of the Fortune 500, Workato’s cloud-native architecture connects every application, data source, and process to power real-time orchestration at scale. With enterprise-grade security and continuous innovation at its core, Workato provides the trusted foundation for organizations to automate with confidence and operationalize AI across the business. To learn more, visit www.workato.com
Why join us?
Ultimately, Workato believes in fostering a flexible, trust-oriented culture that empowers everyone to take full ownership of their roles. We are driven by innovation and looking for team players who want to actively build our company.
But, we also believe in balancing productivity with self-care. That’s why we offer all of our employees a vibrant and dynamic work environment along with a multitude of benefits they can enjoy inside and outside of their work lives.
If this sounds right up your alley, please submit an application. We look forward to getting to know you!
Also, feel free to check out why:
-
Business Insider named us an “enterprise startup to bet your career on”
-
Forbes’ Cloud 100 recognized us as one of the top 100 private cloud companies in the world
-
Deloitte Tech Fast 500 ranked us as the 17th fastest growing tech company in the Bay Area, and 96th in North America
-
Quartz ranked us the #1 best company for remote workers
We are looking for a Distributed Systems Engineer with experience in building high-performing, scalable, enterprise-grade applications. You will be responsible for building API interfaces (for customers, UI team etc). You will be responsible for building a high performance queuing/storage engine. You will collaborate with UI, connectivity and DevOps teams to come up with elegant solutions to complex problems. You will work in a polyglot environment where you can learn new languages and technologies whilst working with an enthusiastic team.
Responsibilities
-
Responsibilities include designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
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Contribute in all phases of the development lifecycle
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Write well designed, testable, efficient code
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Evaluate and propose improvements to existing system
Requirements
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5+ years of industry experience
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Experience building and shipping large-scale, reliable, highly distributed systems
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Systems-level programming experience, especially in C, Go, Rust
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Expertise in L2, L3, and/or L4 networking protocols
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Good understanding of Linux networking and security
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Experience building on top of Linux kernel networking primitives – netfilter, nftables, eBPF, tc, network namespaces, etc
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Experience with large-scale distributed data pipelines, from data structuring to efficient querying to data analysis
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Experience of working with public cloud infrastructure providers (AWS/Azure/Google Cloud)
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Understanding of Kubernetes concepts
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Excellent debugging and optimization skills
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Understanding at the protocol level, including the differences between what the specs say, and what actually happens on the Internet
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Contributions to open source projects is a plus
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Excited by the idea of optimizing complex solutions to general problems
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Attention to detail and ability to solve complex customer problems
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Own solutions end-to-end and driving the design, development, and deployment process
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Able to work across teams and level common, sustainable solutions
Ready to apply?
Apply to Workato
Senior Software Engineer - Traffic Management
At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company.
At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in.
Available Locations: London, UK or Lisbon, Portugal
Role Summary
The Traffic Management is responsible for the systems that dynamically route traffic flows into, through, and from Cloudflare's global network.
We don't just manage one company's traffic; they manage traffic for numerous products and millions of customers, from individual websites to major enterprises. This team is at the heart of Cloudflare's mission to make the internet faster, safer, and more reliable.
Role Responsibilities
As a member of the team you will build and extend various traffic management and supporting systems. You will work closely with Network Engineering, Product Engineering, Network Strategy, and other teams to collaborate on ambitious initiatives to make the best use of Cloudflare’s global network.
You will participate in all stages of the software development lifecycle: from designing and documenting systems, to writing code and automated tests, to planning, managing, and monitoring production software deployments. You will work with a wide range of technologies and programming languages, including Go, Python, Rust, eBPF, ClickHouse, Salt, PostgreSQL, Prometheus, Kubernetes, and more. You will use AI-powered tools and systems as part of your daily workflow to analyze and extend codebases, introspect production systems and datasets, and accelerate problem-solving.
Our team at Cloudflare operates under a "Run What You Build" model. This means we are responsible for the health of our systems and actively participate in our team's on-call rotation as part of our operational duties.
Because you’ll be solving problems of massive scale and significance, and shaping the future of reliability and performance on the Internet, you are a growth-oriented individual who enjoys being outside of your comfort zone. You are comfortable in a fast-paced but sensible work environment. You value curiosity and empathy and lead with these values.
Role Requirements
Must-Have Skills
- Minimum of 6 years of engineering experience with networking and/or distributed systems.
- Systems-level programming experience in Go, Python, Rust, C, or C++.
- Strong knowledge of networking protocols in Layers 3 and 4 of the OSI Model.
- Knowledge of HTTP, TLS, and CDN networks.
- Experience in implementing secure and highly-available distributed systems.
- Strong ability to debug issues in complex systems.
- Strong collaboration and communication skills across teams and functions.
- Experience participating in an on-call rotation.
- Willingness to adopt and integrate AI tools and systems into your engineering workflow.
Bonus Points
- Experience building or developing capabilities in the domain of traffic engineering including automated load balancing and traffic prioritization.
- Knowledge of statistical-analysis techniques and control theory.
- Knowledge of TCP/IP and Internet routing.
- Experience building tools and APIs.
- Experience using AI-assisted development tools (e.g., code completion, codebase analysis, log/data exploration) in a professional setting.
What Makes Cloudflare Special?
We’re not just a highly ambitious, large-scale technology company. We’re a highly ambitious, large-scale technology company with a soul. Fundamental to our mission to help build a better Internet is protecting the free and open Internet.
Project Galileo: Since 2014, we've equipped more than 2,400 journalism and civil society organizations in 111 countries with powerful tools to defend themselves against attacks that would otherwise censor their work, technology already used by Cloudflare’s enterprise customers--at no cost.
Athenian Project: In 2017, we created the Athenian Project to ensure that state and local governments have the highest level of protection and reliability for free, so that their constituents have access to election information and voter registration. Since the project, we've provided services to more than 425 local government election websites in 33 states.
1.1.1.1: We released 1.1.1.1 to help fix the foundation of the Internet by building a faster, more secure and privacy-centric public DNS resolver. This is available publicly for everyone to use - it is the first consumer-focused service Cloudflare has ever released. Here’s the deal - we don’t store client IP addresses never, ever. We will continue to abide by our privacy commitment and ensure that no user data is sold to advertisers or used to target consumers.
Sound like something you’d like to be a part of? We’d love to hear from you!
Please note that applicants who progress to the offer stage of the interview process may be asked to attend an in-person interview within one of the Cloudflare Offices or Cloudflare Hubs. More details about this will be available at that stage of the interview process.
This position may require access to information protected under U.S. export control laws, including the U.S. Export Administration Regulations. Please note that any offer of employment may be conditioned on your authorization to receive software or technology controlled under these U.S. export laws without sponsorship for an export license.
Cloudflare is proud to be an equal opportunity employer. We are committed to providing equal employment opportunity for all people and place great value in both diversity and inclusiveness. All qualified applicants will be considered for employment without regard to their, or any other person's, perceived or actual race, color, religion, sex, gender, gender identity, gender expression, sexual orientation, national origin, ancestry, citizenship, age, physical or mental disability, medical condition, family care status, or any other basis protected by law. We are an AA/Veterans/Disabled Employer.
Cloudflare provides reasonable accommodations to qualified individuals with disabilities. Please tell us if you require a reasonable accommodation to apply for a job. Examples of reasonable accommodations include, but are not limited to, changing the application process, providing documents in an alternate format, using a sign language interpreter, or using specialized equipment. If you require a reasonable accommodation to apply for a job, please contact us via e-mail at hr@cloudflare.com or via mail at 101 Townsend St. San Francisco, CA 94107.
Ready to apply?
Apply to Cloudflare