Freelancer profile translated to English.
Back to original languageAbout Ethan
Full-Stack & AI Developer (React, Next.js, React Native, Python), I help teams launch faster, reduce product friction, and improve KPIs (conversion, retention, performance).
I currently work at Vocca (health-tech) and am co-founding Fidjoo, which gives me a very concrete approach: prioritization, rapid execution, deployment, iteration based on user feedback.
What I bring you (impact + delivery)
Deliver useful features quickly, without unnecessary technical debt
Build reliable APIs (FastAPI) and scalable systems
Integrate AI cost-effectively (automation, assistants, generation)
Optimize UX/UI to increase conversion and engagement
Implement a clean stack (CI/CD, monitoring, best practices) to avoid production bugs
Projects I am effective on
Dashboards and web products (Next.js, Supabase, Tailwind)
Mobile apps (React Native / Expo)
Backends and data pipelines (FastAPI + Postgres + Python)
Automations (scraping, ETL, reporting, AI workflows)
Textual and voice AI agents (integration + orchestration)
My goal: move your product forward quickly, deliver cleanly, and generate measurable impact.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km)
Experience
- FidjooCo-Founder & CTOEDUCATION AND E-LEARNINGOctober 2025 - Today (8 months)Paris, FranceI am working on Fidjoo as a co-founder and technical lead. It's a side project currently under development, where I am designing the architecture, AI services, and all the key product features. The goal is to build a creative mobile application that allows children to generate their own animated stories using AI.
- Vocca AIFreelance Software EngineerMEDICALSeptember 2025 - Today (9 months)Paris, France– Integration of medical software into the existing product by developing Python APIs (FastAPI), with strict typing via Pydantic and maintaining clear and precise documentation, involving regular communication with external engineers of various profiles requiring effective communication.• Accelerated skill development through direct collaboration with founders and active involvement in technical decisions.
- Vocca aiIntern Software & AI EngineerMEDICALJanuary 2025 - August 2025 (7 months)Paris, France– Integration of medical software into the existing product by developing Python APIs (FastAPI), with strict typing via Pydantic and maintaining clear and precise documentation, involving regular communication with external engineers of various profiles requiring effective communication.• Accelerated skill development through direct collaboration with founders and active involvement in technical decisions.
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Education
- Certificate of Aptitude for the Functions of AnimatorBrevet d'aptitude aux fonctions d'animateur
- Engineer in Artificial IntelligenceECE Paris.Lyon2026Grâce à ma formation Data & IA à l’ECE Paris, je sais transformer des données en décisions concrètes. Je peux rapidement analyser une situation, structurer un problème, construire des indicateurs clairs et proposer des actions mesurables (acquisition, rétention, performance produit). Je travaille vite mais proprement, avec une logique orientée résultats, pour livrer des solutions exploitables et améliorer directement l’efficacité opérationnelle et la croissance.