Freelancer profile translated to English.
Back to original languageAbout Sid
Lead Fullstack Engineer with 8+ years of experience in designing scalable architectures.
Currently Technical Lead at Decathlon Technology, I contribute to the development of critical platforms for one of the world leaders in sports retail.
🚀 Technical Expertise
Frontend Excellence: React, Next.js, TypeScript, Zustand/Redux
Mobile Native: React Native + Expo (apps published on stores)
Backend Node.js: Express, NestJS, GraphQL, REST APIs
DevOps Culture: Docker, CI/CD (GitLab/GitHub Actions), VPS management, Traefik
💼 Key Achievements
Lead on high-performance e-commerce projects (multi-country environment)
Architecture of scalable solutions supporting significant load peaks
Development of consumer React Native applications (4.7★ on stores)
Implementation of CI/CD pipelines and monitoring for distributed teams
React/React Native Trainer (INSA, University of Grenoble Alpes, WebTech Institute)
🎯 My Added Value
✓ React Ecosystem Expertise: From web to mobile, I master the entire stack
✓ DevOps Culture: I deliver code, but also the infrastructure that goes with it
✓ Product Vision: I understand the business challenges behind the code
✓ Pedagogy: I upskill your teams
📍 Intervention Modalities
Based in the French Alps, I work 100% remotely with possible travel to Lyon/Marseille/Paris.
Desired missions: Technical Lead, Architecture, React/React Native/Node Development
Ideal duration: 3-6 months (renewable)
Daily rate: €700-800 depending on complexity
French
Native or bilingual
English
Fluent
Italian
Conversational
Kabyle
Native or bilingual
Arabic
Fluent
Can work on-site
Aix-en-Provence (up to 50km), Marseille (up to 50km), Lyon (up to 50km), Paris (up to 50km), Gap (up to 50km)
Experience
- Decathlon TechnologySenior Frontend Engineer / Technical LeadJanuary 2021 - Today (5 years and 5 months)Lyon, FranceArchitecture and scaling of financial systems that power Decathlon's global operations. From payment gateways to invoice processing, I lead a portfolio of 21+ critical applications. What excites me most? Solving complex technical puzzles while working for a company that is as passionate about innovation as I am about my morning run ⚡
- Tornade.ioCo-FounderJanuary 2024 - Today (2 years and 5 months)Gap, FranceMy e-learning company that helps developers accelerate their careers. We offer free, high-quality courses in Docker, Cybersecurity, Web Development, and emerging technologies. Integrates instructional expertise distilled from 300+ hours of professional tutoring experience.
- Université Grenoble AlpesTeacherAugust 2023 - Today (2 years and 10 months)Grenoble, FranceTeaching advanced courses in mobile development and modern web technologies. Developing curriculum focused on React Native, Flutter, and Ionic for cross-platform development.
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Education
- Master in Computer ScienceUniversité Polytechnique INSA Hauts-de-France2018Diplôme de Master en Génie Logiciel avec distinction, classé dans le top 3 de la promotion. Spécialisé dans les méthodologies de développement logiciel modernes, les technologies web et l'architecture système. Focus sur l'application pratique des concepts théoriques à travers des projets concrets et la collaboration industrielle.
- Bachelor in Computer Sciencel'Université Polytechnique Hauts-de-France2016Licence en Génie Logiciel obtenue avec distinction, classé dans le top 2 de la promotion. Construction d'une base solide en programmation fondamentale, structures de données, algorithmes et principes de conception logicielle. Participation à des projets collaboratifs mettant l'accent sur le travail d'équipe et la résolution de problèmes concrets.