Full-stack Developer

Key Responsibilities Build and maintain web applications for UPI Pay-In, collections, payouts and reconciliation Develop merchant, bank and admin dashboards with real-time transaction views Build secure REST APIs for clients, merchants and partner banks Integrate partner bank APIs for UPI, IMPS, NEFT, payouts and settlement files Integrate AEPS, DMT and BBPS services through sponsor bank and BBPS operating unit APIs Build agent / retailer portal and mobile-friendly interfaces for AEPS, DMT and BBPS Handle callbacks, webhooks, status checks and transaction retry logic Build automated reconciliation modules for bank statements, NPCI and settlement files Develop MIS reports, ledgers, wallet and commission modules Implement onboarding and KYC flows for merchants, agents and clients Apply security standards: encryption, request signing, IP whitelisting and role-based access Support data security requirements from RBI, NPCI and partner bank audits Optimise database queries and system performance for high-volume transactions Write clean, tested and documented code; take part in code reviews Coordinate with the outsourced tech partner on handover, releases and production issues Support production monitoring, incident fixes and root-cause analysis