Our SRE teams are dealing with a range of different challenges, from managing our services that keep Bolt backend services running to optimizing our cloud infrastructure.

The SRE Database Reliability team plays a foundational role across all Bolt’s business verticals, directly impacting the quality, resilience, and performance of all services and product lines at scale. Working with a cutting-edge distributed database stack, the team operates in a high-load, high–data-volume environment where each member can make a significant, company-wide impact.

With over 200 million customers in 50+ countries, Bolt is one of the fastest-growing tech companies in Europe and Africa. And it's all thanks to our people.

We believe in creating an inclusive environment where everyone is welcome, regardless of race, colour, religion, gender identity, sexual orientation, age, or disability.

Our ultimate goal is to make cities for people, not cars, and we need your help to achieve this mission!

As a Senior Site Reliabiity Engineer at Bolt you will lead the design, implementation, and maintenance of highly reliable and scalable systems infrastructure, collaborating with cross-functional teams to ensure system reliability, performance optimization, and continuous improvement.

• Leading the design, implementation, automation and maintenance of highly reliable and scalable Database Systems infrastructure. Planning for future database growth and scalability, ensuring the architecture supports business needs.
• Participating in on-call activities for the most critical parts of the infrastructure, helping to solve incidents in a no-blaming culture.
• Performing Root Cause Analysis (RCA) and leading incident response by compiling thorough postmortems and implementing preventive measures. Identifying performance bottlenecks and inefficiencies in the system and implementing solutions to optimize database configurations and performance, including SQL queries and indexes optimization.
• Ensuring all core services are properly measured, monitored, and covered by alerting systems.
• Work closely with engineering teams to design efficient schemas, perform query reviews, and provide guidance on database best practices.
• Enforcing security best practices, managing access controls, and ensuring compliance with data governance policies and industry standards.

• You have proven track record in systems engineering.
• Solid experience with Relational Database Management Systems (e.g. MySQL). Knowledge of NewSQL and NoSQL Databases is beneficial.
• Strong Linux troubleshooting expertise (including networking, file systems, security and the kernel), as well as a solid understanding of large-scale distributed systems.
• Proficient coding skills (preferably Python, Go, Rust or Bash), along with experience in cloud platforms (e.g., AWS) and infrastructure automation tools such as Terraform and Ansible. 
• Good understanding of DevOps practices and Agile (e.g., Scrum) way of working.
• You are a team player with a high level of empathy and good communication skills, who works well with others in the group and the rest of organization.

Experience is great, but we really look for drive, intelligence, and integrity. So even if you don’t tick every box, please consider applying if you feel you’re the kind of person described above!

• Accelerate your professional growth with unique career opportunities.
• Enjoy a rewarding salary and stock options, knowing that as Bolt succeeds, so do you.
• Take care of your physical and mental health with our wellness perks.
• Celebrate 5 years at Bolt with a 1-month paid sabbatical to recharge.
• Connect with colleagues at annual company events and smaller team gatherings.
• Balance flexibility and in-person collaboration with our hybrid model, including at least 12 monthly in-office days.

*Some perks may differ depending on your location and role.

Bolt engineering teams are working on unique product challenges – complex algorithms for demand prediction, optimal real-time pricing, routing, fraud detection, distributed systems, and much more. Volumes are constantly growing.

Our SRE teams are dealing with a range of different challenges, from managing our services that keep Bolt backend services running to optimizing our cloud infrastructure.

The SRE Platform team is responsible for ensuring the reliability, availability, and scalability of Bolt's backend services.

With over 200 million customers in 50+ countries, Bolt is one of the fastest-growing tech companies in Europe and Africa. And it's all thanks to our people.

We believe in creating an inclusive environment where everyone is welcome, regardless of race, colour, religion, gender identity, sexual orientation, age, or disability.

Our ultimate goal is to make cities for people, not cars, and we need your help to achieve this mission!

Our Site Reliability Engineers in the Platform team are working towards making sure we build up an ever more resilient and scalable platform for engineering teams to build on top of.

• Developing automation and implementing internal systems.
• Participating in architectural discussions to select the best long-term solution and collaborating with other SRE Engineers and Software Engineers.
• Implementation of new systems and tuning of existing ones to enable better reliability, availability, scalability, or reduce costs.
• Troubleshooting production system issues.
• Making sure all main services are measured, monitored, and covered by alerting systems.
• Participating in on-call activities for the most critical parts of the infrastructure, helping to solve incidents in a no-blaming culture.

• You have in-depth knowledge of Linux troubleshooting, including networking, filesystems, security, and the kernel.
• You have a solid understanding of large-scale distributed systems.
• You are experienced with AWS services, such as EC2 and EKS.
• You have experience with infrastructure automation tools, such as Terraform and Ansible.
• You are a team player, with good communication skills, that works well with others in the group and the rest of the organization.

Experience is great, but we really look for drive, intelligence, and integrity. So even if you don’t tick every box, please consider applying if you feel you’re the kind of person described above!

• Accelerate your professional growth with unique career opportunities.
• Enjoy a rewarding salary and stock options, knowing that as Bolt succeeds, so do you.
• Take care of your physical and mental health with our wellness perks.
• Celebrate 5 years at Bolt with a 1-month paid sabbatical to recharge.
• Connect with colleagues at annual company events and smaller team gatherings.
• Balance flexibility and in-person collaboration with our hybrid model, including at least 12 monthly in-office days.

*Some perks may differ depending on your location and role.

The Wow

The Systems Engineer is a highly skilled professional with excellent knowledge on infrastructure technologies both on-prem and cloud. The Systems Engineer works with fellow Systems and DevOps Engineers in building and supporting corporate services and improving technical operations best practices for the team, driven by eagerness to learn and use modern and emerging technologies with passion. Driven by eagerness to learn and use modern and emerging technologies with passion. This role will connect the dots for various business needs in multiple locations, determining the best approach and solution to ensure that services are professional supported while keeping costs down. The Systems Engineer is an excellent team player, works under minimal supervision and is willing to consult and share knowledge.

A taster of what you will be involved with: 

Your main goal is ultimately to build and support corporate services and improve technical operations best practices for the team. To this end, you will be expected to:

• Maintain and develop Corporate Infrastructure supporting the Betsson’s business requirements.
• Maintain and develop documentation and knowledge sharing in via online tools.
• Take ownership of systems and service monitoring.
• Focus on implementing continual improvement.
• Provides technical expertise to enable the correct application of operational procedures.
• Contributes to architecting technical solutions to meet Betsson’s dynamic business requirements.
• Contributes to the planning and implementation of maintenance and installation work.
• Identifies operational problems and contributes to their resolution, checking that they are managed in accordance with agreed standards and procedures.
• Administration and handling of Betsson’s Cloud and On-Prem Infrastructure, Corporate Services such as Active Directory and Office 365, amongst others.
• Uses standard procedures and tools to carry out defined system backups, restoring data where necessary.
• First point of contact for IT support, infrastructure projects, local management and vendors/supplier coordination.

• Maintenance responsibility of all IT equipment in the office (Server room, UPS, Meeting Rooms AV Setup, Mobile Phones etc.)
• Be expected to work on call and/or on shifts as per business requirements

What we are looking for

Must possess the following:

• Experience on traditional infrastructure On-Prem, including servers and storage components.
• Knowledge of virtualization technologies (VMWare / Hyper-V), monitoring technologies and tools.
• Knowledge of Microsoft Active Directory, Microsoft 365 services and SCCM.
• Experience on MS SQL (Or Similar).
• Hands-on experience managing Microsoft SharePoint.
• Experience managing Microsoft Azure and Entra ID (Azure AD).
• Skilled in Mobile Device Management (MDM) solutions: Intune, SCCM and Kandji.
• Knowledge of procedures and tools to carry out defined system and data backups and restores.
• Service mindset.
• Willingness to go the extra mile for supporting colleagues.
• Clear verbal & written communication.
• Professional working proficiency in English.
• Professional working proficiency in Estonian.

Would be great to also possess:

• Tertiary Education and / or a bachelor’s degree in IT / Computer Science.
• Experience on infrastructure including Cloud Services (especially AWS and Azure).
• Coding Experience and Scripting Skills (C#, Python, PowerShell, Node JS).
• Experience using IaC (Terraform / Ansible).
• Automation, Security, Configuration and Version Management skills.
• Vender specific certifications (AWS, Microsoft, VMWare, Cisco, Veeam).

What we offer

Much like riding a rollercoaster, sometimes life at Betsson can be lightning fast with twists and turns but always FUN! Then again, what else would you expect from a business 75% millennial and 1700 strong, spread across 7 offices with 900 based out of our Malta HQ alone! We recognise it may not be for the faint-hearted, but if you’re a go-getter, initiator and adrenaline junkie, always striving to push the boundaries and challenge yourself, then you’ll fit right in.

Challenge accepted?

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We are looking for a Senior ML Platform Engineer to join our ML Platform team to build, evolve and scale AI Infrastructure that powers Bolt's intelligent services

With over 200 million customers in 50+ countries, Bolt is one of the fastest-growing tech companies in Europe and Africa. And it's all thanks to our people.

We believe in creating an inclusive environment where everyone is welcome, regardless of race, colour, religion, gender identity, sexual orientation, age, or disability.

Our ultimate goal is to make cities for people, not cars, and we need your help to achieve this mission!

The ML Platform Team makes ML/AI easy at scale. We streamline development, testing and deployment of ML/AI systems for hundreds of real-time algorithms. 

We own training orchestration, an inference software stack and infrastructure, and a Feature Store, including VectorSearch and RAG tooling. We develop LLM tools and CI/CD for ML, covering the whole range of ML infrastructure needs.

Our tech stack includes TypeScript, Python, Spark (batch and structured streaming), Airflow, n8n, MLflow, LiteLLM, AWS SageMaker, Redis, Elasticsearch, Docker, Kubernetes, AWS (S3, EKS), Terraform, Great Expectations. 

• Designing, building, and optimising components of Bolt’s ML Platform.
• Optimise and extend our in-house Feature Store Platform serving billions of data points in real-time.
• Tune infrastructure (k8s and AWS) and build automations to achieve the best cost-performance.
• Proactively solve technical challenges, discover and build new features, enabling develop efficiency.
• Support our internal users and help with troubleshooting, and turn user problems into scalable solutions.
• Raise our product and technical quality bar, promoting software engineering best practices.

• 5+ years of experience in Software Engineering, out of which 2+ in ML/MLOPS/AI Engineering.
• Experience in leading and delivering complex cross-team projects.
• Production experience with Python, Spark, and Kubernetes.
• Experience in MLOPS and AI ecosystem, and developing end-to-end ML/AI solutions at scale.
• You strive for technical excellence while staying pragmatic to achieve outcomes for the users.

Experience is great, but what we really look for is drive, intelligence, and integrity. So even if you don’t tick every box, please consider applying!

• Accelerate your professional growth with unique career opportunities.
• Enjoy a rewarding salary and stock options, knowing that as Bolt succeeds, so do you.
• Take care of your physical and mental health with our wellness perks.
• Celebrate 5 years at Bolt with a 1-month paid sabbatical to recharge.
• Connect with colleagues at annual company events and smaller team gatherings.
• Balance flexibility and in-person collaboration with our hybrid model, including at least 12 monthly in-office days.

*Some perks may differ depending on your location and role.