Senior Full Stack Engineer, Data Platform - Experimentation

Senior Full Stack Engineer, Data Platform - Experimentation

We are looking for an experienced Senior Full Stack Software Engineer to join our teams in Berlin. Join our diverse distributed cross‑functional team and help us make cities for people, not cars, while working on exciting high‑traffic data‑intensive systems. Your work will directly impact the productivity and success of internal teams, enabling them to run faster, more reliable experiments and contribute to company‑wide innovations. Location: Berlin, Germany.

Main tasks and responsibilities:

• Take full ownership of the UI/UX of the AB Platform, including redesign of the existing tools and adding AI capabilities.
• Contribute directly to improving key features, focusing on performance and user experience.
• Collaborate with the team to build and optimise the Experimentation Platform used by hundreds of internal users.
• Work closely with product teams and users to ensure the platform is intuitive and easy to use for non‑technical users, including conducting user interviews.
• Help maintain and evolve high‑traffic (200k RPS) back‑end services.

About you:

• Full‑stack engineer with 5+ years of tech experience, including 2+ years in frontend/full‑stack roles.
• Solid back‑end understanding: experience building APIs and using relational databases (SQL).
• Excellent communication and above‑average soft skills for collaborating with cross‑functional teams and talking to users.
• Strong UX mindset to ensure simple, self‑explanatory design and intuitive interfaces.
• Proactive problem‑solving with a product mindset, focused on value and driving impact.
• Experience is great, but drive, intelligence, and integrity are also crucial.

Why you'll love it here:

Our engineers are at the forefront of innovation within some of the largest industries in the world. Are you up for the challenge? Play a direct role in shaping the future of mobility, impact 200+ million lifetime customers in 600+ cities across 50 countries, make your mark at one of the fastest‑growing organisations in Europe, and work in a fast‑moving autonomous team with some of the smartest people in the world.

About us

With over 200 million customers in 50+ countries, Bolt is one of the fastest‑growing tech companies in Europe and Africa. 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!

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