We own and operate a custom marketplace website. The frontend communicates with the backend via internal HTTP requests, but there is no documented or formal API. We are looking for an experienced backend engineer to: Analyze frontend network traffic Identify and document internal requests Reconstruct these calls into a stable backend service Implement automated messaging triggered by digital product purchases Requirements: Strong experience with browser DevTools & network inspection Backend development (Python or Node.js) Experience with authentication, tokens, CSRF We have this tool we would like to explore: https://docs.browser-use.com/customize/skills/basics https://x.com/mamagnus00/status/1995600813176365393 Bonus: Experience modernizing legacy systems API design (REST / GraphQL) This is for a website we own and control.