Freelancer profile translated to English.
Back to original languageAbout Saïf-Eddine
Full-Stack Developer specializing in React, TypeScript, I help startups and companies design high-performance, scalable, and robust web applications.
Modern Frontend:React.js, Next.js, Material UI, TypeScript
Reliable Backend:NestJS, Node.js, Java Spring Boot
No Code:PrestaShop | WordPress
Agile methods, automated tests to ensure quality and speed of delivery.
I work on:
- Rapid MVP development to validate a market
- Optimization of existing applications (performance, refactoring, testing)
- Implementation of CI/CD pipelines and scalable architectures
Available for short-term assignments (audits, technical setup) and long-term ones (full development, product support).
Response within 24 hours.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- Docaposte AgilityIT DeveloperOctober 2025 - Today (8 months)Sotteville-lès-Rouen, FranceDesign and development of internal full-stack web applications (React + NestJS + TypeScript) within an Agile/Scrum team.- Development of typed and reusable React components- Design and implementation of REST APIs with NestJS- Unit and integration tests with Vitest- Participation in Scrum ceremonies (sprint planning, daily, retrospective)- Autonomous work on complete end-to-end features
- Docaposte Agility,Full-Stack Developer InternshipSOFTWARE PUBLISHINGSeptember 2024 - October 2025 (1 year and 1 month)Saint-Étienne-du-Rouvray, France- Design and development of internal web applications (React + NestJS)- Integration of modern interfaces, unit tests (Vitest)
- Ollca & Université de RouenProduct OwnerSOFTWARE PUBLISHINGSeptember 2024 - April 2025 (8 months)Saint-Étienne-du-Rouvray, FranceResponsible for the product vision for an AI assistant for e-commerce with advanced customization (LLM studio, RAG, prompts). Analysis of client needs from the CCTP, writing and prioritizing User Stories, backlog management in coordination with Scrum Masters. Cross-functional communication (UX/UI, DevOps, IT Security), deliverable validation, and support for Front teams. Full implementation of the Scrum method.
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Education
- Master in Software EngineeringUFR Sciences et Techniques2025Master Génie Informatique Logicielle
- Bachelor of Science in Computer ScienceLicence Informatique