Senior Frontend Engineer - París

We are bsport. The place to be!

bsport is an all-in-one platform combining boutique fitness and advanced technology. Our platform helps partners manage their bookings, payroll, marketing and more, to streamline operations and boost their commercial success.

Since we launched in 2019, we've achieved remarkable growth:

• Built a community of over 10 million users 🤝

• Closed a €30 million Series B in December 2024 🏆

• Grown to over 200 employees across Europe 🚀

🎯 What you’ll own & the role

Senior Frontend Engineer

This is a role for someone who wants ownership, technical influence, and a clear path toward staff or leadership roles as the company grows.

Why this role in different?
You’ll join at the right time: strong product-market fit, ambitious growth plans, and space to shape architecture and standards.

• You’ll work on deep, long-term frontend initiatives, not surface-level UI work.

• Your decisions will matter, you’ll collaborate closely with Tech Leads, Engineering Managers, and Product leadership.

• Equity is meaningful: our goal is to triple valuation within 2 years.

You’ll take ownership of major frontend areas and help define how our platform evolves.

• Lead complex frontend initiatives end-to-end.

• Drive a full revamp of client-facing interfaces.

• Build and evolve our in-house design systems.

• Tackle technical debt with scalability in mind.

• Design reliable, scalable frontend solutions for one of our core product verticals.

• Contribute to long-term architectural decisions as we scale teams across locations (including our core teams in Paris).

🧰 Frontend stack

• ReactJS + TypeScript. Micro-frontends, orchestrated with NX.

• Zustand for state management.

• Custom in-house design systems.

🦄 You might be a great fit if

• You have 5+ years of frontend experience in SaaS or product-driven companies.

• You take ownership, show initiative, and enjoy solving hard problems.

• You fell comfortable working on large, evolving codebases.

• You are a strong communicator, fluent in English.

• Curious, pragmatic, and motivated to grow with the company.

What we offer
🤸‍♀️ Flexible working model, hybrid setup with 2 remote day per week, plus 15 extra remote days per year.
💌 Health insurance fully covered by the company.
🏋🏽‍♀️ Negociated gym deal with helloCSE.
🌍 A diverse, collaborative workplace, join an international team!
🛏️ Feel supported with paid sick leave, because your health always comes first.

💬 Our Hiring Process

• 👋🏼Interview with Talent

• 🧑🏽‍💻Live Coding

• 🎙️Tech Talk

• 📐System Design

• 🤝 Final Interview with Founder: cultural fit

Ready to Join?