Freelancer profile translated to English.
Back to original languageAbout Martin
Senior Developer & Entrepreneur, I help startups and large companies transform complex product challenges into performant, robust, and user-centric applications.
Why CTOs, CEOs, and Product Teams Reach Out to Me:
🏆 Technical & Entrepreneurial Expertise
Co-founder and CTO of Sneakmart & Sample (Sneakmart selected for Station F's Future 40), I bring a concrete understanding of business, product, and technical challenges. I don't just code: I challenge features, prioritize value, and help deliver quickly with the right compromises between speed, quality, and scalability.
⚙️ Seniority & Full-Stack Execution
I handle projects end-to-end, from scoping to deployment. Experienced with demanding MVPs as well as production products, I design solid, maintainable, and scalable architectures, with a high standard for code quality:Clean Code, Clean Architecture, SOLID, DDD, and TDDare integral to how I build.
🚀 Product Culture & Concrete Impact
I've contributed to designing and evolving products used by over 300k users, with an approach focused on business impact, user experience, speed of execution, and long-term vision.
🎨 Strong UI/UX Sensitivity
Comfortable with products where UX, fluidity, and perceived quality make the difference, I design polished, effective interfaces aligned with business objectives.
đź’» Stack: React, Next.js, TypeScript, Tailwind CSS, React Native, Expo, Node.js, Supabase, GraphQL, REST APIs, MySQL, PostgreSQL, MongoDB.
âś… MVP, redesign, roadmap acceleration, CTO on demand, or Tech Lead: I integrate quickly to deliver value from day one.
📍 Based in Paris — available remotely or on-site.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km), Bordeaux (up to 50km), Lyon (up to 50km), Marseille (up to 50km), Montpellier (up to 50km)
Experience
- Fifteen
On Malt
Technical Architecture and Launch of the Fifteen Mobile App RedesignTRANSPORTATIONJune 2026 - June 2026 (1 month)Paris, FranceReact Native / Expo project developed from scratch with a strong focus on architecture and maintainability. Established the technical foundations of the application around Clean Architecture and Domain-Driven Design (DDD) principles to ensure an evolvable and scalable base.Designed a white-label architecture to manage multiple clients from a single codebase, with centralized management of configuration, branding, and environments. Defined the CI/CD strategy with Expo EAS (build, deployment, and environment management), as well as development conventions and project structure to facilitate future enhancements. - SampleCTO & Lead Mobile Engineer — SAMPLE (streetwear marketplace app)RETAIL (SMALL BUSINESS)December 2025 - March 2026 (3 months)Paris, FranceAs CTO of SAMPLE, I designed and developed the entire mobile platform and its technical infrastructure, from scratch to a widely used application.I was responsible for the architecture, product development, and technological choices that enabled rapid application growth.Key Achievements:
- Complete design and development of the mobile application (React Native) and backend architecture.
- Implementation of a scalable infrastructure capable of supporting strong user growth.
- Scaling from0 to over 300,000 userson the platform.
- Generation of **over €1.5M in GMV**.
- Development of payment systems, product drop management, marketplace, and transactional logic.
- Optimization of application performance, monitoring, and reliability.
- Close collaboration with product, design, and business teams for rapid iteration.
Main Stack:React Native, backend API, scalable cloud architecture, payment systems, analytics, and monitoring.This experience allowed me to develop strong expertise in building large-scale mobile products, technical architecture, and transforming an idea into a product used by hundreds of thousands of users. - Metakicks - SneakmartCo-Founder & CTOTECHApril 2022 - Today (4 years and 4 months)As Tech Lead / CTO at Metakicks, I led a development team to create an NFT sales platform offering holder benefits and staking. Through our hard work, we successfully developed an innovative technological solution that allowed our clients to profit from the growing popularity of NFTs. Our platform was well-received by users and achieved significant success.
Reviews
Francois
Head of Front-End - Fifteen
Reviewed on 7/8/2026
Martin quickly laid solid foundations for the new mobile application, while respecting the specific constraints related to our business by proposing appropriate solutions with efficiency and pragmatism. I recommend him.
A
Anthony
Sneakmart
Reviewed on 7/3/2023
Martin leveraged his technology skills to improve our application. Thanks to him, the application gained new features and became more performant. Martin doesn't hesitate to share his knowledge within the team, enhancing their skills. I recommend him!
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Education
- Epitech Expert in Information Technology DegreeEpitech2018« À l’issue de ce cursus en cinq ans, l’étudiant d’Epitech est un expert en informatique, autonome, responsable et parfaitement adaptable au monde de l’entreprise. Ultracompétent techniquement, il sait bien évidemment créer et combiner idées et technologies, mais également s’entourer des meilleurs partenaires pour diriger ses projets. Dans un monde en évolution permanente où l’innovation dicte les règles, il dispose ainsi des armes indispensables à sa réussite.»
Certifications
- Self-TaughtSelf-Taught2020