"Oui" is the answer to "can we build this?"
Senior Frontend Developer · Paris · Freelance
Hi
I'm Jeremy Laurain
A decade of React, TypeScript and interfaces that feel finished.
Let's get in touch
Experience
2026 – Present
Freelance Senior Developer
Oui · Paris · Independent frontend work for product teams, from first screens to production.
- Built the operator web app for Vizzia's video enforcement platform: rule creation, detection review and case processing.
- Delivered across the stack's front half: React screens, shared design system components and the BFF connecting them to the rules engine.
- Set up an AI-assisted delivery workflow with agent task orchestration and automated code review.
Clients & projects
ReactTypeScriptTanStackReact AriaHonoClaude CodeAgenticAstroTailwind CSS
June 2020 – 2026
Senior Frontend Developer
AVIV Group · Paris · B2B SaaS products for real-estate professionals across France, Belgium, and Germany at one of Europe's leading real-estate tech companies.
- Architected and delivered three B2B web apps from scratch to production, used by thousands of real-estate agents.
- Designed a micro-frontend architecture improving deployment independence and platform scalability.
- Set up frontend testing strategy (~80% coverage) and Datadog RUM monitoring across products.
ReactTypeScriptReact QueryZustandDesign SystemVitestCypressMSWAWSTerraformCircleCIDatadogLaunchDarkly
Sept. 2016 – June 2020
Lead Frontend Developer
Interencheres · Paris · Joined as Frontend Developer and grew into Lead, driving the frontend across the public marketplace and the back-office.
- Led the merger of interencheres.com and interencheres-live.com using Vue.js 2 and Vuex.
- Designed and built the back-office app with AngularJS and Angular Material.
- Frontend reference for quality, consistency, and UX; helped adopt agile tooling (Asana etc.).
JavaScriptVue.js 2VuexAngularJSAngular Material