Freelancer profile translated to English.
Back to original languageAbout Jean-Archibald
Need an expert to structure, launch, or scale your tech product?
I'm Jean-Archibald, CTO, Expert Full-Stack Developer.
Level 3 SuperMaltster, over 40 5-star rated missions.
I support startups, SMEs, and entrepreneurs who need a technical director without hiring a permanent employee. I don't just code — I make architectural decisions, structure the stack, implement best practices, and deliver production-ready code.
🎯 What I Bring as an Expert
Technical audit and takeover of existing projects
Architecture and stack choices tailored to your challenges
CI/CD implementation, automated tests, PHPStan, code quality
Technical team structuring (recruitment, onboarding, code review)
Scaling from MVP to product
I am also **Founder & CTO of Marketplace Factory**, a SaaS solution for creating turnkey marketplaces — I designed the product, defined pricing, registered the trademark, and managed multi-country deployment. This dual tech + business role allows me to understand your product challenges, not just your Jira tickets.
🧑💻 Backend Expertise
Node.js / Nest JS
PHP / Symfony / API Platform — Clean Architecture, CQRS, DDD
REST API, JWT/OAuth2 authentication
PostgreSQL, MySQL, MariaDB
Debugging & optimization
💻Frontend Expertise
React JS, Next.js, TypeScript
React Native (mobile)
Redux, advanced state management
SEO, automated tests (Jest)
🛠️ DevOps & Infra
Docker, GitHub Actions, GitLab CI
AWS (Lambda, RDS, S3, ElastiCache)
Vercel, SonarQube
⏱️ Responsiveness: response within one hour.
Need a CTO for your next project? Contact me.
French
Native or bilingual
Can work on-site
Paris (up to 50km), Lille (up to 50km), Rouen (up to 50km), Reims (up to 50km), Amiens (up to 50km)
Experience
- Marketplace Factory — CTO As A ServiceCTO As A Service | marketplacefactory.comSOFTWARE PUBLISHINGNovember 2025 - Today (7 months)Paris, FranceDesign, development, and marketingof a SaaS software for creating turnkey marketplaces:marketplacefactory.comProduct— Modular solution allowing the launch of niche marketplaces in a few weeks: authentication, messaging, payments, subscriptions, cart, advanced search. Demo catalog covering 10+ sectors (real estate, services, green economy, freelancing…).Architecture & Tech— Symfony backend / API Platform (CQRS, Clean Architecture). Next.js frontend (multi-country i18n). PostgreSQL database, Vercel deployment, AWS infrastructure, GitHub Actions CI/CD.Business & Strategy— Definition of the business model (SaaS + custom development), pricing structure, EUIPO trademark registration, management of 38 international domain names, multi-language SEO strategy.Results— Product marketed and operational, inbound prospect pipeline, validated positioning against players like Mirakl in the SME/startup segment.
- Pok Genius : CTO As A ServiceCTO As A Service | pokgenius.comSOFTWARE PUBLISHINGMarch 2026 - Today (3 months)Paris, FranceCreation of the web app: pokgenius.comTechnical Directionof a next-generation poker training platform, in partnership with a recognized YouTuber in the French-speaking poker community.Product— Gamified web application for poker range and strategy training: interactive trainer with real-time feedback (EV, XP, streaks), progression tree inspired by video game skill trees, leak finder, GTO range collection import.Mobile-first UX with adaptive multi-device layout.Architecture— Symfony CQRS backend / API Platform, Next.js frontend (Clean Architecture, Zustand, React Query). AWS Lambda serverless deployment (Bref), RDS PostgreSQL, S3 for storing 20TB+ of GTO data. Automated CI/CD.Management & Vision— Definition of the product roadmap, technical scoping of sprints, mentoring junior developers, implementation of best practices (strict PHPStan, automated tests, systematic code review). Constant arbitration between product velocity and technical debt.Results— Platform in production, unique training system in the French-speaking market, user retention driven by gamification (streaks, progression, visual feedback).
- Bourse Direct
On Malt
Node.js Developer | Symfony | React NativeBANKING AND INSURANCEApril 2024 - April 2026 (2 years)Paris, FranceIntervention on strategic projects related to life insurance, savings, and stock trading, within a major online brokerage firm.🎯 Main missions:Development of robust back-end APIs with SymfonyCreation of dynamic front-end modules in Twig, integrated into the existing ecosystemStrict adherence to functional and technical specificationsParticipation in discussions with product teams to refine business needsOptimization of code maintainability and performanceThis mission allowed me to evolve in a demanding and regulated environment, where rigor, security, and development quality are top priorities.
Reviews
Recommendations
+5
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Education
- Web Application Developer: Php/SymfonyOpenclassrooms.com2019
- Junior Web DeveloperOpenclassrooms.com2018Diplômé de l'école en ligne OpenClassRooms en tant que Développeur Web Junior.
Certifications
- Modern Development: ApiPlatorm / Symfony / React JsUdemy2020