Staff Data Scientist

About Bolt Bolt is shaping a future where cities are built for people, not cars. What started as an ambitious project of a 19-year-old in 2013 has grown into a global mobility platform used by more than 200 million customers and 4.5 million driver and courier partners across 50 countries.

From ride-hailing and food delivery to scooters, e-bikes, and car-sharing, Bolt helps people move through cities every day. Small, autonomous teams drive this work, combining the speed and ownership of a startup with the scale of a global technology company backed by more than €1bn in funding.

And we're just getting started.

Why join Bolt?

• Build the future of mobility and help transform how people live and move in cities.
• Tackle challenges at scale that span technology, operations, regulation, and growth.
• Take real ownership early. Small, lean teams mean your decisions matter from day one, and you'll learn fast alongside some of the best people in the industry.
• Join one of Europe's leading technology companies, backed by world-class investors including Sequoia.

About The Role You'll own critical data science systems end-to-end, architecting solutions that directly shape product and business decisions at scale. As a Staff Data Scientist, you will be the driving force in elevating our technical standards - pioneering approaches that bridge the gap between research and production, and serving as a technical north star for the teams around you. You will mentor colleagues and set the bar for rigorous, maintainable data products that affect over 200 million customers worldwide.

Main Tasks And Responsibilities

• Lead the technical vision for your domain's data science roadmap, translating high-level business objectives into concrete data science products and systems.
• Architect and deploy end-to-end ML systems and optimization frameworks that drive measurable business impact at scale.
• Design and execute advanced experimentation frameworks to reliably measure the incrementality of product and business interventions.
• Set the gold standard for technical excellence by championing rigorous statistical and engineering practices across the team.
• Serve as a mentor and advisor on highly technical challenges, helping colleagues grow and raising the overall bar.
• Partner with Product, Engineering, and Operations to identify opportunities and develop pragmatic solutions that solve intricate business problems.

About You

• Pragmatic problem solver, able to work autonomously from research to production deployment.
• 5+ years of experience in applied ML in an industry setting.
• Exceptional knowledge of ML and statistics, with hands-on A/B testing experience.
• Expert proficiency in Python and SQL.
• A natural mentor who enjoys leveling up those around you and can explain the "why" behind complex mathematical concepts.

Why you’ll love it here

• 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. At Bolt, using AI daily is a baseline expectation for everyone. If there’s a faster, smarter way to do your work, we expect you to find it. You’re still responsible for the output, so the standard stays high when using AI tools.

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!

Everyone is welcome Bolt is an equal opportunity employer. We are committed to building a diverse and inclusive workplace where all qualified applicants are considered for employment without regard to race, colour, nationality, religion, gender or gender identity, sexual orientation, age, or disability.

We welcome applications from all backgrounds and are happy to make reasonable accommodations throughout our hiring process. If you require any adjustments, please let us know.