I already have a full-scale web application fully designed and generated with the “Claude Sonet” . Visually everything is in place; what’s missing is the production-ready backend that will let me put the entire app online and start accepting real users. Here’s what I need you to take over: • User authentication and authorization – sign-up, sign-in, password reset and role-based access, all wired securely to the database and exposed through clean REST or GraphQL endpoints. • Database management – design the schema, create migrations, and connect it to the app. I’m flexible on the engine, so feel free to propose SQL or NoSQL based on scalability and cost. • API integrations – integrate a payment gateway for subscriptions / one-off charges and connect internal APIs that our other systems expose. The front-end already contains the UI hooks; you will supply the endpoints and wire them up. Deliverables 1. Production-ready backend repository (well-documented code, environment files, and seed data). 2. Deployment to my preferred cloud provider with CI/CD so I can push updates in one step. 3. Post-deployment hand-off: short walkthrough and README so future devs can extend the stack. Tech is up to you—Node/Express, Django, Laravel, Go, or anything comparable—as long as it is maintainable, secure, and pairs smoothly with the existing Claude Sonet output. Prefer to use FREE Backend Tools for the same. If you’ve taken a static or low-code front-end and turned it into a fully functioning SaaS before, this should be straightforward. Let me know your proposed stack, timeline, and any clarifying questions. Hope this can be also Accomplished with Claude Code & any other Tools, without much Tech Efforts. I will share the Existing Functionality on Chat.. I want this under 2500/- INR Actually budget is not an issue, with the right Developer with backend integration experience in the said tasks. Nothing else is pendinbg apart from that listed (backend tasks) to Complete the Development & Deployment. Specified the BUDGET as 1.5K max, & its not limited to that. I can offer upto 3K for the Total task Development (Backend integration).