Freelancer profile translated to English.

Description

Full-Stack Developer specializing in web and data applications for climate tech. I designed and deployed Meridian, an energy/climate ops platform composed of 3 interconnected applications:

**GridPulse**: RTE data ingestion + Electricity Maps, carbon dashboards and green slots

**FlexSlot**: actionable recommendations and 1-click slot creation

**GreenOps**: B2B multi-org SaaS console with Stripe billing, RBAC/RLS, and exports

**Stack**: Next.js, TypeScript, FastAPI, Supabase, Stripe, Vercel, Railway. Immediately available for remote (France & Europe) or hybrid roles in Toulouse.

Open to full-stack, SaaS, data integration, or climate tech projects.

Industry field of expertise

Languages

English
Fluent
French
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

Projet personnel
Meridian (climate tech ops platform)
TECH
January 2026 - Today (7 months)
Toulouse, France
Modular ops platform — 3 applications in production, end-to-end chain:
network data → ops decision → business action → SaaS billing.
→ GridPulse (data) — RTE ETL pipeline + Electricity Maps, FastAPI API, carbon KPIs, green slots
→ FlexSlot (decision) — hourly recommendations, API orchestration, one-click slot creation
→ GreenOps (action) — multi-org B2B console, flex, REC, alerts, Stripe billing
Stack: Next.js · TypeScript · Python/FastAPI · Supabase · Stripe · Vercel · Railway
Demo walkthrough: grid-pulse-steel.vercel.app → flex-slot.vercel.app → green-ops-five.vercel.app
Portfolio: christophechollet.dev
Next.js Supabase PostgreSQL Typescript Vercel
Alyra
Blockchain Developer / Full-stack Web3 Training
TECH
September 2025 - December 2025 (3 months)
Paris, France
Developed a DeFi dApp (Next.js + Solidity) including a Vault (secure asset storage) and unit tests (Hardhat). Collaboration via GitHub/Discord.
Solidity Next.js Blockchain Developer Viem wagmi

Be the first to recommend Christophe

Help this freelancer shine by sharing your experience working together.

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

Blockchain Developer
Alyra
2026
Développeur full-stack web3 (formation Alyra) spécialisé climate/energy. Je construis des dApps MVP end- to-end (Next.js + wagmi/viem + Hardhat) avec une UX wallet/transactions claire et une base smart contracts/tests solide.
Webdesign/illustration
HEAJ Belgium
2020
formation infographie generaliste license 3 option webdesign et illustration

RJ4515 Certification
Alyra
2026
https://certificate.alyra.fr/check/0E16DAC3C93DBD1FD794945DF1F9878254C9A0542C953209721D4D937F70B86EUFdYa1Y0WUR0aDdtMEpXRWcwNkdXaW9qYVgzNVkrVDR3MTQvTkY1MXlES3BrZ2pW
wagmi Viem Smart Contract Solidity Typescript Metamask Remix Next.js Foundry React

Fullstack Developer

Christophe Chollet

Full-stack Climate | Data · Integration · SaaS

About Christophe

Experience

Recommendations

These freelancer profiles also match your criteria

Education

Certifications

Skill set

Categories