Senior Fullstack Engineer – Remote, Sustainability Platform

Sweep is seeking a Senior Fullstack Engineer (freelance) to join our Sustainability Data Intelligence Platform. You’ll own features end-to-end—from data models and backend systems to React/TypeScript UI. Hybrid or Remote with offices in Paris, London, Montpellier and Denver.

Start ASAP for a long-term collaboration. Rate: 520€ per hour. You’ll design scalable architectures, implement robust data pipelines, ensure observability, security, and quality, and work closely with product and AI-enabled

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