Senior Full Stack Engineer, Data Platform

vor 16 Stunden

Berlin, Berlin, Deutschland Bolt Technology Vollzeit 80.000 € - 120.000 € pro Jahr

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.

About us

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, national origin, age, or disability. Our ultimate goal is to make cities for people, not cars, and we need your help to achieve this mission

About the role

As a Senior Full Stack Engineer, Data Platform - Experimentation, you will be responsible for taking full ownership of the UI/UX of the AB Platform. This work directly impacts internal teams by enabling them to run faster, more reliable experiments and contribute to company-wide innovations. The role requires solid backend knowledge, but the focus is heavily on the frontend, working on core Experimentation tools for setting up and analysing A/B tests. You will primarily be coding in TypeScript and working with and other tools.

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.

The role requires solid backend knowledge, but the main focus is on the frontend. We are looking for a proactive problem-solver with a product mindset, always looking for value and driving impact with the solutions they build.

About you:

  • A full-stack engineer with 5+ years of tech experience, including 2+ years in frontend/full-stack roles.
  • Strong Front-end skills: JavaScript/TypeScript, CSS, and HTML. Experience with is a plus.
  • 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.
  • A 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 what we really look for is 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

Why you'll love it here:

  • 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.
  • Work in a fast-moving autonomous team with some of the smartest people in the world.
  • Accelerate your professional growth and enjoy unique career opportunities.
  • Get a rewarding salary and stock option package that lets you focus on doing your best work.


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

#LI-Hybrid

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