Mickael Douabin
// product_engineer
What is a Product Engineer?
Fractional CTO and senior React Native / Next.js engineer: a single point of contact who takes your idea and turns it into a live product, solo.
Product scoping
I turn a vague idea into a shippable scope.
Technical architecture
Modern stack, pragmatic choices, controlled tech debt.
Design & UX
Clean interfaces, smooth user journeys.
Frontend + backend
All the code, from React components to serverless functions.
Deployment & infra
Shipping, monitoring, CI/CD, production-ready.
Fast iteration
AI-augmented, I deliver in days what used to take weeks.
10 years of production XP. AI-augmented. Four ways to work together ↓
Learn more about the Product Engineer role// our offerings
Four formats, one senior engineer
Structure your tech, launch your mobile app, show your idea in a day or take a prototype to production: one entry point for each case, one senior engineer behind all of them.
MVP in 24 Hours
Clickable prototype on staging
One day after scoping, your idea becomes a link you can open and show. Demo data, scope written first.
€500
Entrepreneurs & Project Leaders
Fractional CTO
First Engineer
A senior technical leader who owns your stack, architecture decisions and product roadmap. For growing startups & scale-ups.
€7-15K/month
Startups & Scale-ups
First Mobile Engineer
Senior React Native
A senior React Native engineer (TF1, PMU, Zeturf) who designs, builds and ships your iOS & Android app, then hires your team.
€7-15K/month
Startups launching their app
Prototype →
Production
Your Lovable, Cursor or v0 prototype turned into a live, secure app ready for your users. Three tiers depending on your needs.
from €490
Pros & makers who prototyped a tool
Looking for a React Native lead for a long-term engagement, on site or remote?
See the long-term format// references
Enterprise Clients
10+ years of experience working with leading industry groups.
// what_i_do
Technical Expertise
A deep, hands-on skill set covering the full stack. From mobile apps to cloud infrastructure and AI.
React.js
Building interactive, high-performance single-page applications and complex UIs with React. Component-driven architecture, state management (Redux, Zustand, Context), and performance optimization.
React Native
Cross-platform mobile development for iOS & Android from a single codebase. Native bridges with Kotlin/Swift, CI/CD pipelines with Bitrise & GitLab CI, and app store deployment.
Next.js
Full-stack web applications with Next.js: server-side rendering, API routes, static site generation, and edge functions. Optimized for SEO, performance, and developer experience.
AWS
Serverless architecture design and deployment on AWS. Lambda, DynamoDB, S3, API Gateway, CloudFront, and infrastructure as code. Scalable systems with zero server management overhead.
AI Integration
Integrating AI capabilities into web and mobile applications: LLM-powered features, recommendation systems, intelligent search, chatbots, and automated workflows using OpenAI, Langchain, and custom models. Building custom MCP servers and OpenCode tools to supercharge developer workflows.
// career
Professional Experience
Over a decade of delivering impactful products across industries. From horse racing to automotive mobility.
Tech Lead React Native & Acting PO - TF1 Bigscreen
TF1
Tech Lead of a 4-developer squad, one of three on the connected-screen division, on the TF1 application for connected TVs and operator set-top boxes. Also acting Product Owner: scoping, backlog prioritization and business stakeholder coordination. Managing the integration of Amazon's new VegaOS device.
- Tech Lead of a 4-developer squad (scope architecture, code reviews, mentoring)
- Acting PO: User Stories scoping, backlog prioritization, business coordination
- Integration and management of Amazon's new VegaOS device
- Creation of MCPs (Model Context Protocols) for development tooling
- Built custom skills and debugging tools for set-top box troubleshooting
Lead React Native Developer
PMU
Leading mobile development at the European leader in horse racing betting. Driving technical excellence across two mobile applications.
- Set up E2E & unit testing with CI/CD via GitLab (auto-deployment)
- Upgraded React Native and rewrote native bridges (Kotlin/Swift)
- Technical design of User Stories and Pull Request reviews
- Development on both Next.js (React) and React Native apps
Mobile & Web Developer - Lead
Zeturf
Took over and consolidated a React Native betting application, combining technical leadership with team management.
- Optimized payment processes and improved user experience
- Implemented automated deployment: tests, staging, and production
- Made key architectural decisions on code structure
- Recruited and consolidated the development team
Full-Stack Developer
PSA Ventures (Free2move)
Full-stack development for Free2move, a connected mobility app for parking, EV charging, tolls and more.
- Front-end development with React Native
- Back-end with Node.js / Nest.js on AWS
- Scalable serverless architecture
// education
Education & Certifications
Master, Entrepreneurship
Université René Descartes (Paris V)
Master of Science - Software Engineering
SUPINFO International University
Recommender Systems (MOOC Certificate)
University of Minnesota
// testimonials
What Clients Say
15 projects completed on Malt with an average 5-star rating across quality, communication, and deadlines.
15+
Projects Delivered
10+
Years Experience
100%
Response Rate
“Despite a complicated start with brief changes, Mickael adapted and evolved the program without difficulty. He completed the project in full autonomy and showed great technical competence. Both a good listener and a strong contributor. Mickael is an excellent development partner. Available and pleasant. Top!”
“Mickael is an expert who, beyond technical skills, has real abilities in listening, empathy, and consulting. Thanks to his entrepreneurial background, he quickly understands the stakes and needs of his client and can propose simple, elegant, and effective solutions.”
“100% satisfied! Responsiveness, communication, skills, and results that met our expectations. We greatly appreciated the collaborative work with our team. See you soon for the next project!”
“Thanks to his entrepreneurial background and his passion for development, Mickael always keeps the business priority in mind when developing applications. This is the right mindset to achieve optimal ROI in a technical team.”
// contact
Let's Build Something Great
Available for freelance projects, remote or on-site in Paris. Let's discuss your next idea.
Ready to start?
Book a 30-minute call, or email me directly: I reply within one business day, with a written proposal once the need is clear.