Hi, I'm
Senior Full-Stack Developer / Software Engineer
Software Engineer — Paris, FR
Senior full-stack developer with strong product experience, I have led end-to-end software solutions from design to production in demanding startup environments. Former CTO in the rehabilitation sector, I work with autonomy, pragmatism and a high standard for code quality and maintainability. Fluent in French and English.
Full-stack from design to production
Startup & CTO experience
Medical & fintech sectors
Senior Software Engineer / Full-Stack Developer
Jan 2025 — present
Igny, France
Medical sector
Development, maintenance and evolution of production software solutions. Designing new features, solving complex technical challenges and continuously improving existing systems.
CTO / Full-Stack Developer
May 2022 — Jan 2025
Paris, France
Medical sector
Designed and built a complete software solution in a startup context: backend architecture, APIs, business logic, frontend integration and embedded device interactions.
Level 3 Technical Support / Software Engineer
Apr 2021 — Mar 2022
Paris, France
Banking & insurance
Analysis and resolution of complex incidents on high-availability critical systems. Advanced diagnostics, durable fixes and improved stability of fintech platforms.
Available for freelance missions
stevenpuisais@gmail.com