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Description

Launching a product or looking to scale an existing application?

I help startups, SMEs, and entrepreneurs design, develop, and evolve their digital products with an AI-first approach.

As a web developer since 2015, I act as a technical partner to help you:

👉 Accelerate your product's time-to-market

👉 Make the right technical and product decisions

👉 Reduce development costs with AI

👉 Build a performant, scalable, and sustainable application

Specifically, I can assist you with:

👉 Designing and developing an MVP, SaaS, or business tool

👉 Evolving an existing application (new features, redesign, Fractional CTO)

👉 Integrating AI into your products and business processes (OpenAI, Anthropic, AI agents, automation, Product Development Engineer)

👉 Migrating from WordPress to a modern Next.js + Headless CMS (Payload CMS) architecture

👉 Optimizing your visibility on Google, ChatGPT, and AI search engines (SEO, GEO)

Core Stack

Next.js • React • TypeScript • PostgreSQL • Prisma • Payload CMS • TailwindCSS • Shadcn/ui • Stripe • Vercel • Claude Code

Some Achievements

👉 **Tobalgo**: SaaS platform for animal wellness professionals.

👉 **TAFF!**: Matching platform for cleaning professionals.

👉 **Faster Fixes**: Open-source customer feedback collection tool connected to AI agents.

Why work with me?

✅ Product-oriented approach: I challenge ideas and seek the simplest solutions before writing a line of code.

✅ Fast execution thanks to AI and a modern stack, without sacrificing software quality.

✅ Clean and scalable architecture that allows your product to grow without starting from scratch.

📩 Have an idea, a product to evolve, or an AI project? Let's discuss.

Portfolio: manuelcoffin.fr

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent
Spanish
Basic

Workplace preferences

Can work on-site

Lyon (up to 10km)

TAFF!
SaaS Creation
SOFTWARE PUBLISHING
February 2026 - March 2026 (1 month)
Lyon, France
👉 Design and development of a matching platform SaaS for the cleaning industry
Development of the entire web platform with Next.js
Delivery of a first functional version in 2 weeks thanks to an AI-first approach
Creation of marketing landing pages and integration of a headless CMS (Payload CMS) allowing founders to modify them independently
Deployment of a platform now used by several companies, listing over 700 service providers and numerous jobs

🔧 Technical Stack used:
Next.js, React, TypeScript, Payload CMS, PostgreSQL, TailwindCSS
Generative AI (Claude Code, OpenAI) to accelerate development
SEO optimization, performance, and scalable architecture

📌 Skills implemented:
Full-stack development of a SaaS
Product architecture and technical design
Headless CMS integration
Product vision and rapid delivery
Technical SEO and performance optimization
Claude Code Next.js Headless CMS PostgreSQL Stripe
Tobalgo
CTO
HEALTH AND WELLNESS
September 2025 - Today (11 months)
Lyon, France
Design and development of the Tobalgo SaaS platform from scratch.
Definition of the technical architecture and stack.
Development of business features and the back-office.
SEO and performance optimization.
Deployment, maintenance, and continuous evolution of the platform.
Collaboration with founders on product strategy and feature prioritization.
SEO Artificial Intelligence Next.js Vercel Stripe
Pickbeam
Project Manager
DIGITAL AND IT
February 2023 - September 2023 (7 months)
Toulouse, France
👉 Management and development of web projects:
- Design and development of headless e-commerce stores
- Creation of modern showcase websites and web applications
- Integration and deployment with a JAMstack approach

🔧 Technical Stack used:
- Next.js, React, GraphQL, Sanity CMS, Strapi, TinaCMS
- TailwindCSS for optimized and performant design
- SEO and web performance optimization (Core Web Vitals)

📌 Skills implemented:
- Project management and stakeholder coordination
- Full-stack development with a modular and scalable approach
- User Experience (UX/UI) and accessibility
Next.js Project Management PostgreSQL Front-End Development Fullstack

Check out Manuel's experience

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

Baptiste Duhen

Fullstack developer

4.6

(4)

Amed Hamou

Senior Lead Developer

(2)

Audrey Champion

Web developer

4.3

(3)

Signup to reveal

Master Web Project Manager
Ynov
2020
- Coordination développement front et back - Web services - Web full stack - Architecture logicielle - Web mobile - Web full stack séparation back-end / front-end

Manuel Coffin

AI Product Builder | MVP, Startups | Next.js

About Manuel

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