Freelance Full Stack Developer — AI Data Platform (FinTech) | Hybrid, Milan

We're looking for a Freelance Full Stack Developer to join a fast-growing AI company building a data intelligence platform for the financial sector. The team values real ownership and fast execution - you'll build end-to-end and have a direct say in product and architecture decisions. Hybrid presence in Milan required.

What you'll do:
Build across the full stack — React/Next.js interfaces, backend APIs, and database layer (Postgres/Supabase)
Work with AI agents and LLM-based features integrated into the core product
Take ownership of features from concept to production, contributing to architecture decisions
Collaborate with product and engineering on new functionality

Must-haves:
3+ years (ideally 5+) of end-to-end full stack development
Strong React/Next.js + TypeScript




Backend/API design and implementation
Postgres or Supabase experience
Cloud deployment experience (GCP, Vercel)
C1 English
Based in or near Milan, available for hybrid work

Nice-to-haves:
AI/ML concepts, LLM integrations
Financial services background
Experience with heterogeneous data processing

Why join:
Real ownership over your work, fast-moving environment
Direct involvement in product and architecture decisions
Work with AI/LLM technology in a financial-sector product

This is a freelance opportunity via Shakers, the European marketplace connecting top independent tech talent with high-growth companies. Apply with your CV and daily rate to be considered.

📌 Freelance Full Stack Developer — AI Data Platform (Milano)
🏢 Shakers
📍 Milano