Freelancer profile translated to English.
Back to original languageAbout Simon
I deliver complete mobile apps, from idea to store publication, for founders and SMEs who want a single point of contact, from brief to launch.
6 years of experience with cross-platform apps for startups and SMEs.
What I do:
→ Complete React Native/Expo Apps (iOS + Android, 1 TypeScript codebase)
→ Backend: Supabase, Firebase, REST/GraphQL API
→ Features: Stripe payments, push notifications, auth, geolocation
→ App Store & Google Play Publication (certificates, build, submission)
Recent Projects:
• Car community app: in production, 300+ downloads. Event geolocation, interactive map, push notifications. RN + Supabase Stack.
• Family planning app: real-time offline-first sync architecture (RN + Supabase RLS).
• E-sport app: third-party API integration, real-time calculations.
Stack:
React Native · Expo · TypeScript · Supabase · Stripe · EAS Build · PostgreSQL
Why work with me:
- End-to-end autonomy: 1 app delivered on both stores in under 3 months
- Scalable architecture (Supabase + RLS, offline-first if needed)
- Single point of contact: you talk to me, not an agency
Shall we start?
Send me 3 lines about your project: I'll respond within 24 hours with an initial technical opinion (feasibility, timelines, budget). Available in 1-2 weeks.
French
Native or bilingual
English
Fluent
Can work on-site
Lille (up to 50km), Paris (up to 20km)
Experience
- IndépendantFreelance DeveloperSOFTWARE PUBLISHINGFebruary 2026 - Today (5 months)Lille, FranceIndependent freelance developer specializing in React Native / Expo and full-stack development. Design and development of cross-platform mobile applications and web solutions from A to Z, from architecture to production.
- IanordFull Stack DeveloperSOFTWARE PUBLISHINGJanuary 2019 - October 2025 (6 years and 9 months)Lille, FranceDeveloper of web and mobile applications, I contributed to the design, evolution, and maintenance of digital solutions for professional environments.I designed and developed a mobile application for managing educational institutions (administration, monitoring, and process optimization).I also maintained existing web applications, including continuous improvement of features, bug fixing, and performance optimization, in close collaboration with product and business teams.I participated in projects involving payment management, particularly through physical terminals.Finally, I actively participated in the continuous improvement of products, contributing to technical discussions, architectural choices, and feature development to offer reliable, scalable, and sustainable solutions.
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Education
- Master's degree in Computer Science, Programming / Computer Developer, GeneralEFFICOM2022Master en informatique, Programmation / développeur informatique, général