Description
We need a full-stack developer to build a SaaS MVP with a form, API integration, Stripe for payments, email verification, and Google Sheets for data management. The ideal candidate will have experience in both front-end and back-end development, ensuring seamless integration of all features. This project requires a proactive approach to problem-solving and a commitment to delivering high-quality results. STEP 1 — Input validation and classification with AI API STEP 2 — Cache check STEP 3 — Product selection STEP 4a — Email verification flow (Free Tier B only) STEP 4b — Stripe payment flow (Paid Tiers) STEP 5 — Processing engine (Free Tiers only) STEP 6 — Result display (Free Tiers only) STEP 7 — Data logging to Google Sheets Additional technical requirements: — Founder whitelist: a list of email addresses in config bypasses the 30-day cache check for unlimited internal testing — All sensitive configuration (API keys · weights file · whitelist) stored in environment variables or server-side config files only — never in client code — Deployable on Railway or equivalent PaaS — Simple enough to be maintained by a single junior developer after handover Tech stack: Your choice. We are open to your recommendation. Keep it simple and maintainable. Server-rendered HTML is preferred over a heavy SPA framework for this MVP. Database can be lightweight (SQLite or PostgreSQL). Do not over-engineer! What we provide before development starts: — Full technical brief (after NDA) — The prompt