About Sinan
Senior Frontend Developer | Next.js | React.js | Node.js | NestJS | Typescript
French
Native or bilingual
English
Fluent
Turkish
Fluent
Japanese
Basic
Experience
- MarbleSenior Frontend EngineerSOFTWARE PUBLISHINGDecember 2025 - Today (8 months)Paris, FranceAI-powered fraud prevention and compliance automation — Open sourceReact, Remix, Tanstack, Tailwind
- SekaiSenior Fullstack Engineer - Next.js | React.js | Typescript | Node.js | GoVIDEO GAMES AND ANIMATIONDecember 2024 - October 2025 (10 months)Paris, FranceContext:International interactive entertainment project for anime fans, combining a Pokémon Pocket-inspired collectible game and a community experience. Backed by prestigious investors (Alexis Ohanian – Reddit, Mike Shinoda – Linkin Park, Xavier Niel – Station F).Mission:Complete development of theReact/Next.jsfrontend andNode.js/Gobackend, and product support for the design and prioritization of key game features for the first public release.Achievements:From scratch development of the platform using **React/Next.js**.Development of Node.js APIs and improvement of the existing Go backend to support new player collection and engagement mechanics.Close collaboration with design and tech teams to align technical choices with gameplay vision and engagement loops.Contribution to definingMVPmechanics (collection, progression, card interface, interactions).Implementation of modular and scalable components suitable for internationalization.R&Dwork on the integration and optimization of interactive 3D animations in the frontend.Holder of the Crédit Impôt Innovation (CII) accreditation, allowing my clients to benefit from it for their innovative projects.Continuous optimization of user experience, fluidity, and accessibility.Result:**MVP delivered quickly**, ready for a global launch (website currently in pre-production: https://home.narutoninjacards.com/, not available before official release).
- ShadowSenior Frontend Engineer - Next.js | React.js | TypescriptTECHNovember 2023 - December 2024 (1 year and 1 month)Paris, FranceContext:Shadow develops a consumer cloud computing service, allowing users to access a high-performance virtual PC and cloud storage tools.Mission:Redesign of the payment system, optimization of existing interfaces (Next.js), and development of a complete new interface integrating Shadow PCs, drives, and user service management tools.Achievements:Redesign and stabilization of the frontend payment system, fixing critical bugs to ensure smooth and reliable transactions.Development of a new user interface from scratch, based on Remix / Styled-components / TypeScript, to unify the management of different Shadow services.Maintenance and optimization of existing Next.js applications (Shop), improving loading times and UI/UX consistency.Collaboration with Product, DevOps, Data, and Infrastructure teams to ensure technical and functional consistency.Contribution to the front roadmap and product trade-offs related to user experience.Result:New, smoother interface, significant reduction in payment errors, and consolidated user experience across all Shadow products.
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Education
- Epitech - The School of Computer ExcellenceSamsung Campus Web/Mobile2018Epitech - L'école de l'excellence informatique
Certifications
- Crédit Impôt Innovation (CII)Official Accreditation