The Opportunity

We are looking for a Java Full Stack Developer to design, build, and scale mission‑critical digital payment applications powering UPI Global platforms.

This role offers the opportunity to work on real‑time, high‑volume, secure financial systems that operate at national scale, directly impacting millions of users across India. You will work end‑to‑end on modern full‑stack architectures, collaborating closely with product, QA, and platform teams.

Job Details
- Role: Java Full Stack Application Engineer
- Department: Product – Technology
- Experience: 2 to 6 Years
- Employment Type: Full‑time | Permanent
- Education: BE / BTech or equivalent professional qualification
- Location: Mumbai
- Work Mode: 5 Days Work From Office (WFO)

Key Responsibilities
- Design and develop scalable RESTful APIs using Java, Spring Boot, and Hibernate/JPA for UPI Global applications
- Build and maintain microservices-based architectures, integrating with internal and external payment systems
- Develop responsive, high-performance frontend applications using React.js, Redux,



and JavaScript / TypeScript
- Ensure seamless frontend–backend integration for real-time payment workflows
- Work with event-driven systems (Kafka) for asynchronous transaction processing
- Implement secure authentication and authorization using OAuth2, JWT, and industry best practices
- Optimize applications for performance, scalability, reliability, and security
- Write unit and integration tests, and participate in code reviews to maintain engineering standards
- Actively participate in Agile ceremonies and collaborate with cross-functional teams

Requirements
Key Skills & Experience Required
- Robust expertise in Java 8+ and above, including core programming constructs such as streams, collections, multithreading, concurrency, and functional programming, along with a working understanding of JVM internals such as memory model, garbage collection, and class loading
- Hands‑on experience with Spring

📌 Associate - Application Developer (Mumbai)
🏢 NPCI
📍 Mumbai