Project Title Backend Development for Rampy.money – Fintech Platform (APIs, Payments, Wallets, Compliance) ⸻ Project Description We are building Rampy.money, a fintech platform focused on regulated money movement, wallet infrastructure, and business payments. We are looking for an experienced backend engineer / small backend team to design, build, and deploy all backend and infrastructure components, excluding frontend UI development. This is a serious production-grade fintech system, not a demo or MVP-only build. ⸻ Scope of Work (Backend Only) 1. Backend Architecture & Core APIs • Design scalable backend architecture (REST APIs) • Authentication & authorization flows • Role-based access (admin, user, business) • Secure session & token handling • Environment separation (Dev / Staging / Prod) ⸻ 2. Payments & Financial Integrations • Bridge.xyz API integration • Customer creation • Bank account linking • ACH / wire flows • Transaction tracking & webhooks • Privy Wallet integration • User → wallet mapping • Wallet lifecycle management • Secure key handling (Privy managed) • Payment status reconciliation • Ledger-style transaction records (credits/debits) ⸻ 3. Database & Ledger Design • Database schema design (PostgreSQL / equivalent) • User, wallet, transaction, compliance tables • Idempotency handling for payments • Audit logs (immutable where required) • Mapping logic between: • Privy users • Bridge customers • Internal Rampy user IDs ⸻ 4. Compliance & Security • KYC/KYB data handling (no UI work) • Secure PII storage & access control • Webhook verification & signing • Rate limiting & abuse protection • Logging & monitoring setup • Compliance-friendly data models (bank / Stripe review ready) ⸻ 5. Webhooks & Background Jobs • Webhook listeners (Bridge, payment status updates) • Retry & failure handling • Background workers / queues • Transaction state machines ⸻ 6. Admin & Internal APIs • Internal/admin APIs for: • Viewing users & transactions • Compliance review flags • Manual overrides (if allowed) • Exportable reports (CSV/JSON) ⸻ 7. DevOps & Deployment • Cloud deployment (AWS / GCP / equivalent) • Dockerized services • CI/CD pipeline • Environment variables & secrets management • Production hardening checklist ⸻ What Is NOT Included • Frontend UI / design •. Landing pages or marketing sites • Mobile app development (Frontend will be handled separately.) ⸻ Tech Stack (Preferred but Flexible) • Backend: Node.js / TypeScript or Python • Database: PostgreSQL • Infra: Docker, cloud-hosted • API-first design • Webhook-driven architecture ⸻ Deliverables • Fully functional backend APIs • Integrated Bridge + Privy workflows • Database schema & migrations • API documentation (Postman / Swagger) • Deployment-ready production setup • Basic technical documentation ⸻ Ideal Freelancer / Team • Proven fintech or payments experience • Prior work with ACH, wallets, or banking APIs • Strong understanding of security & compliance • Comfortable building production systems • Clear communication & documentation ⸻ Project Type • Fixed-price or milestone-based (open to discussion) • Long-term relationship possible for maintenance & scaling ⸻ To Apply Please include: 1. Relevant fintech or payments projects 2. Backend tech stack used 3. Experience with financial APIs or wallets 4. Suggested architecture approach for this project