Fabien Rajaonarison
I'm Fabien, a Senior Front-End / Full-Stack Engineer with 7+ years of experience building stable and scalable web and mobile applications for enterprises and startups.
About
I’m Fabien, a Senior Front-End / Full-Stack Engineer with 7+ years of experience building stable and scalable web and mobile applications for enterprises and startups. I specialize in React, Next.js, and TypeScript, and I thrive in international teams delivering reliable, maintainable features and modern front-end architectures.
I’m passionate about AI/LLM tool integration, CI/CD, monorepos, and shared UI libraries, with a focus on performance and quality. I speak English, French, Malagasy, and work on my Japanese, and I’m currently based in Tokyo.
- 8 years' experience
- Joined December 2025
Skills· 19
Languages
- EnglishFluent
- FrenchFluent
- MalagasyFluent
- JapaneseIntermediate
Industry experience
- Software & Internet
- Media & Entertainment
- Professional Services
Work experience· 8 roles
Developed hotel search, details, filters, and a conversational booking flow in React Native (Expo). Integrated structured LLM tool calls using Zod + TRPC. Added Redis caching and improved performance and stability across mobile platforms.
Rebuilt a multilingual web application using Next.js/TypeScript. Implemented Japanese word/kanji search, caching, SSR, SEO improvements, and responsive UI.
Built new case-management features and refactored legacy code.
Education
Hire Fabien Rajaonarison today
Post a job and invite Fabien, or contact them directly. No hidden commission.