About

I am a freelance full-stack developer

Hailé F

Credit: Hailé F

Former technical lead at Picto Access, the number one platform in France for accessibility information about establishments open to the public (ERP). It enables professionals who welcome the public to assess, showcase and share their establishment's accessibility. I then created the mobile app TaleMe.

I also work as a freelancer alongside my main role, feel free to contact me here or on LinkedIn if you need extra support for your team. I can help you with the following topics :

  • Back-end development : Node.js, Next.js, Ruby on Rails, Firebase ( serverless ) ;
  • Front-end development : React, digital accessibility, mockup integration ;
  • Mobile development : Flutter ;
  • Devops : Setting up a CI / CD, Dockerization of your applications, monitoring, tooling ;
  • Coaching / training : TDD, DDD, Docker, Clean code, Cloud architecture, Ruby on Rails, React, ... ;

My freelance services

To learn more about my specific services, consult my dedicated pages:

Full-stack development

A complete web product, from the UI to production: fast, maintainable, and ready to scale.

  • Frontend Next.js/React (perf, accessibility, SEO)
  • API + database (auth, permissions, webhooks)
  • Back-office / client area / automations
  • Deployment, CI/CD, monitoring (if needed)

Flutter mobile apps

An iOS/Android app that's smooth, maintainable, and production-ready.

  • Clear architecture + performance
  • Firebase / API / offline
  • Delivery of stores + analytics
  • Takeover & stabilization of existing app

CTO as a Service

On-demand technical leadership: decisions, standards, coaching.

  • Architecture & team conventions
  • Code review & quality
  • CI/CD & delivery process
  • Coaching & upskilling

Flutter application audit

A prioritized action plan: what to fix, in what order, and why.

  • Quality / debt / dependencies
  • Perf (jank, memory, startup)
  • Risks & quick wins
  • Debrief + backlog ready to execute

Not sure about the offer? Describe your situation in 5 lines and I’ll tell you which one is the best fit.

You can view my resume on LinkedIn or Welovedevs.

About | DEMILY Clément