Strong back-end developer with proficiency in Node.js, Express.js/NestJS, TypeScript, and REST API design. Should leverage AI capabilities to minimize the coding time with improved quality.
Proven hands-on experience integrating and managing payment gateways (credit/debit card, wallet, UPI, QR, and offline POS)
Strong knowledge of API security (OAuth2.0, JWT, OCSP stapling, HTTPS headers)
Working knowledge of containerization (Docker, Kubernetes).
Implementation with Azure components i.e. Azure Devops, Cosmos, Azure SQL, Redis, Functions, Event Hub, Service Bus etc.
Design and build advanced, scalable API on azure.
Ability to understand business requirements and map it to the product.
Act as a consultant to team members on technical matters.
Integrate with other backend services (JSON, XML, etc.)
Deep understanding of payment domain concepts:
Payment authorization, settlement, reconciliation
Chargebacks, refunds, and retry mechanisms
Tokenization and PCI DSS compliance is a plus.
Preferred Qualifications
Experience in FinTech / eCommerce / Loyalty platforms.
Exposure to AI-driven fraud detection or anomaly detection systems is a plus.
Familiarity with offline payment flows (POS, kiosks, QR terminals).
Soft Skills
Strong analytical and problem-solving skills.
Ability to work independently and collaboratively with cross-functional teams.
Excellent communication and documentation skills.
High ownership and accountability in delivering secure, high-quality code.
