Critical Skills to Possess:
� 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:
o Payment authorization, settlement, reconciliation
o Chargebacks, refunds, and retry mechanisms
o Tokenization and PCI DSS compliance is a plus.
Preferred Qualifications:
- BS degree in Computer Science or Engineering or equivalent experience