Full-Stack Developer — AI FinTech

You will build across the stack — the React app, the accounting engine, Supabase/Postgres data model, and the AI assistant. You care about correctness (this is financial data), performance, and shipping quickly without breaking trust.

• Build features across the React front end and the data/back end
• Work on the ledger/accounting engine and reporting
• Contribute to the AI assistant and its tool/query layer
• Write correct, well-tested code around financial data
• Care for performance, security and multi-tenant isolation

• 3+ years of full-stack development
• Strong TypeScript/JavaScript and React
• Solid SQL / relational database skills (Postgres a plus)
• Care for correctness, testing and security
• Able to work independently in a small team

• Experience with Supabase / Postgres RLS
• Experience with fintech, accounting or other correctness-critical systems
• Experience integrating LLMs / AI features

• A correctness-critical accounting platform
• The AI assistant and its safe query layer
• Reporting, exports and multi-tenant data

• Meaningful, correctness-critical engineering
• Remote-friendly for the right person
• Modern stack and real ownership