CTO & Entrepreneur | Full-Stack Developer with 10+ years of experience | Co-founder turning ideas into scalable digital solutions
I'm a seasoned entrepreneur and full-stack developer based in Lyon, France. As a CTO and co-founder, I specialize in building modern tech companies with cutting-edge stacks: Node.js + TypeScript backends, MongoDB for data, and Flutter for beautiful mobile experiences.
- CTO Leadership - Tech strategy, team building, and product architecture
- Entrepreneurship - Co-founded multiple successful ventures
- Full-Stack Development - 10+ years crafting end-to-end solutions
- Javascript Ecosystem - Enterprise applications and mobile development
- DevOps & Scaling - From MVP to production-ready systems
Welco → welco.io
Community driven parcel recovery - 150k users / 2m parcels recovered
Lesburgersdejo by Sebastien Chabal & Joannes Richard → lesburgersdejo
Digital solutions for modern workplace challenges
Techvisor → techvisor.fr
Tech consulting and advisory platform - helping businesses make smart technology decisions
Leadership ████████████████████ 100% CTO, Team Management, Strategy, Tech Lead
Backend ████████████████░░░░ 80% Nodejs, APIs, MongoDB, Nextjs, Supabase, Python, LLMs
Frontend ███████████████░░░░░ 75% JavaScript, Flutter, Reactjs, Vercel, VueJS
DevOps ████████████████░░░░ 80% CI/CD, Cloud, Scaling
With 10 years of hands-on development experience and multiple successful co-founding ventures, I bring a unique blend of technical expertise and business acumen. From writing the first line of code to scaling teams and systems.
- 150,000+ users across my ventures
- 2M+ parcels recovered through Welco platform
- Multiple successful co-founding experiences
- 10+ years leading development teams
- International reach with scalable solutions
🤝 Let's Build Something Amazing Always looking for passionate co-founders, innovative projects, and opportunities to solve complex challenges. Whether you need a CTO, a technical co-founder, or just want to discuss your next big idea - let's connect!
- Ventures : techvisor.fr
- LinkedIn : Open to connecting with fellow entrepreneurs
- Location : Lyon, France 🇫🇷
- Coffee Chat : Always up for discussing tech & business over coffee
- LinkedIn : linkedin.com/in/jeremymarquer
- Twitter/X : @jeremymarquer
- Email : contact@jeremymarquer.fr
"From code to companies - turning technical vision into business reality, one commit at a time." ⚡