React-Python App Overhaul

My SaaS platform is live, built with React.js on the front end and Python on the back end, and I’m ready for a full-stack sweep that tackles everything from persistent bugs to fresh feature work.

Here’s the current landscape.
• Front end: React components need refinement and a few new screens.
• Back end: Python services drive our business logic and APIs, but some endpoints require refactoring and tighter security.
• Infrastructure: The project is hosted on Vercel; recent deployments exposed timing-sync issues and occasional PDF access failures.
• Data: Customer information lives in a Postgres database and must stay accurate, fast, and compliant.

Your mission covers three parallel tracks:
1. Bug fixing – squash errors affecting general functionality, timing synchronisation, and gated PDF downloads.
2. Developing new features – extend existing modules and create small, well-scoped additions that have already been specced.
3. Improving application performance – profile both client and server code, optimise slow queries, and fine-tune the Vercel build pipeline.

You’ll integrate with our existing REST APIs, write clean React hooks and Python functions, push to GitHub, and verify each change through unit tests plus a short staging review. I’m happy to collaborate on daily check-ins, slice work into milestones, and provide quick feedback so you can ship decisively.

If you’re comfortable straddling React, Python, Postgres, and Vercel—and enjoy turning a good product into a great one—let’s get started.