Full-Stack AI Engineer: Secure & Harden a React + Supabase LLM Research Tool (Lovable Export)

Budget: $2500.0
Contract: FIXED
Live feed: Upwork

php, web-design, web-programming, artificial-intelligence, node.js, python, software-development, html, javascript, react-js, api-integration, api, wordpress, shopify, next.js, web-application, typescript

Preferred qualifications

Experience: Intermediate

I have a working React + Supabase prototype of an AI research tool. I need an expert engineer to secure it (Row-Level Security with tests, server-side LLM calls, no exposed keys), make its AI extraction reliable (structured outputs, error handling, chunking for long documents), and add token tracking and Sentry. Stripe billing and team workspaces will come in a later phase, so the database should be designed for them. Fixed price $2,500, milestone-based.

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