Freelancer profile translated to English.
Back to original languageAbout Simon
I help product teams, scale-ups, and SaaS startups design, launch, and scale robust and performant web and mobile applications.
As a Full-Stack Lead Developer, I work at the intersection of technology and product: securing architectural choices, accelerating delivery, and constant alignment with business objectives.
I support my clients in particular on:
✅ Launching MVPs / new products
✅ Technical redesign or migration
✅ Structuring and improving architecture
✅ Quality / performance improvement
✅ Reinforcing or leading technical teams
My approach: quickly understand the need, make solid technical choices, and deliver a clean and maintainable product.
I am used to collaborating with product, design, and marketing teams, in an agile and remote-first environment.
Main stack:
React / Next.js / React Native / Ruby on Rails / Node.js / AWS
I prefer medium / long-term missions where I can truly invest myself in the product and its challenges.
English
Fluent
French
Native or bilingual
Can work on-site
Bordeaux (up to 10km), Paris (up to 10km), Lyon (up to 10km), Marseille (up to 10km), Nantes (up to 10km)
Experience
- MarmoCo-founder – CTOSOCIAL NETWORKSJanuary 2026 - Today (5 months)Bordeaux, FranceDevelopment of the Marmo mobile application: family space for sharing memories, photos, and moments (posts, albums, child profiles) with subscription management.NestJS / PostgreSQL API and iOS / Android application with Expo and file-by-file navigation (expo-router).Work done:- API: domain (users, children, relationships, albums, timeline, posts), auth (JWT/refresh, OAuth, social), media (S3, CDN, images), Stripe, emails / notifications, jobs (reminders, onboarding), quality (TypeORM, tests, Docker)- Mobile: product flow (auth, content creation, albums, profiles), media and API integration, push and observability, native widget and plugins- Dev Ops: CI/CD with Gitlab, AWS ECS FargateTechnical environment:NestJS, TypeORM, PostgreSQL, Stripe, AWS S3 / CloudFront, Docker, Jest — Expo, React Native, TypeScript, expo-router, NativeWind, Sentry, Firebase Analytics
- TotalEnergiesFull-Stack Developer – Energy Platform RedesignENERGY AND UTILITIESOctober 2024 - April 2025 (6 months)Paris, FranceComplete redesign of the front-end for an electricity portfolio management platform.Vue.js → Next.js migration.Work done:• Redesign and development of new interfaces• Implementation of complex graph displays• Performance optimization (page loading & filters)• Implementation of an impersonation system with SignInAs• Collaboration with the product teamTechnical environment:Next.js / React / TailwindCSS / Storybook / Docker
- Charrette.clubCo-founder – CTODIGITAL AND ITOctober 2019 - Today (6 years and 8 months)Bordeaux, FranceCo-founding and development of Charrette.club, an agency specializing in the design and development of web and mobile applications.Role: Technical LeadResponsibilities:• Definition of technical directions• Design of project architectures• Supervision and management of developments• Full-Stack Development (web & mobile)• Mentoring and coordination of developersInvolvement in various client projects: web platforms, mobile applications, APIs, and business tools.Client references:TotalEnergies, Artelia, EDF, La Poste, Setec, Wayd, Sarp, Quideos…Development of internal products:• lafraise.app – Web & Mobile Application• aupremiervirage.app – Mobile ApplicationTechnical environment:React / React Native / Ruby on Rails / Node.js / AWS
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Education
- Expert title in Information and Communication TechnologyEPITECH2019Compétences : Gestion de projet , C, C++ Stage / formation en entreprise : +18 mois dans l'univers web / mobile (php, Javascript, ...)