Associate - Application Developer

NPCI; Mumbai; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

National Payments Corporation of India (NPCI) is hiring a Java Full Stack Developer in Mumbai for a 5‑day work week in the office. You will design and build scalable RESTful APIs, develop microservices, and ensure seamless frontend‑backend integration across real‑time payment systems.

The role requires 2–6 years of experience, BE/BTech, and strong skills in Java, Spring Boot, React, Kafka, and security best practices.

Qualifications

• BE / BTech or equivalent professional qualification.
• 2 to 6 years of experience in Java full‑stack development.
• Experience with RESTful APIs, microservices, and secure authentication.

Responsibilities

• Design and develop scalable RESTful APIs using Java, Spring Boot, and Hibernate/JPA for UPI Global applications.
• Build and maintain microservices architectures and integrate with payment systems.
• Ensure frontend–backend integration for real‑time payment workflows.
• Work with Kafka for asynchronous processing and implement OAuth2/JWT security.
• Optimize for performance, scalability, reliability, and security; write tests and participate in code reviews.
• Participate in Agile ceremonies and collaborate with cross‑functional teams.

Skills

Java expertise

Frontend development

Problem solving

Communication

Education

BE / BTech

Tools

Spring Boot

Hibernate/JPA

React.js

Redux

TypeScript

Node.js

Kafka

SQL

NoSQL

Redis

OAuth2

JWT

Git

Maven/Gradle

Docker

Kubernetes

Job description

National Payments Corporation of India (NPCI) | Full Time

The National Payments Corporation of India (NPCI) is a pivotal institution in India's digital payments ecosystem, established by the Reserve Bank of India (RBI) and the Indian Banks’ Association (IBA). It operates under the Payment and Settlement Systems Act, 2007, and is incorporated as a “Not for Profit” company under Section 25 of the Companies Act 1956 (now Section 8 of the Companies Act 2013). NPCI is dedicated to building world-class digital payment infrastructure through innovative and efficient retail payment platforms. As an Equal Opportunity Employer, NPCI is committed to fostering an inclusive workplace culture, with zero tolerance for discrimination based on race, ethnicity, disability, gender identity, or sexual orientation, including support for the LGBTQ+ community.

Our Culture

TheNPCIWAY –OurGuidingPrinciples

At NPCI, we foster a culture of Inclusion, Innovation, and a High- Performance Workplace .

The NPCIWAY isnotjustaframework - it’sasharedcommitmentbyevery individual to align with our evolving business needs, dynamic market conditions, and workforce expectations.

Five Tenets of the NPCIWAY

• ForwardThinkingMind-Set
• CustomerFirst
• LeadWith Purpose
• PassiontoDeliver
• AllSucceedTogether

Employee Perks and Benefits

Insurance & Wellness

• ComprehensiveCoverage :Medical,accidental,andlifeinsurance.
• Employee Assistance Program : Onsite medical center, financial/legal counselling, mental wellness.
• AnnualWellnessBouquet :Holisticwellbeingsupport

Family & Childcare

• ParentalLeave :Inclusivematernityandpaternityleave.
• Nanny at home Support: Assistance for Working Parents

Mobility & Lifestyle

• MobilityBenefits :Relocation,transfers,andtravelsupport.
• HomeLoanInterestSupport :Upto50%reimbursement*
• MobileReimbursement :Newhandsetevery2years.
• CarLease,SalaryAdvance,SubsidizedMeals.
• Reward&RecognitionProgram.
• TechnologyInnovation: PatentsandIPRightspolicy.

Retirement Planning

• ProvidentFund(PF) and Gratuity Contributions .

Why Join Us

At NPCI, you’ll be part of a purpose-driven organization shaping the future of digital payments in India and beyond. NPCI offers a unique opportunity to work on cutting‑edge projects that directly impact millions. We foster a culture of innovation, inclusion, and high performance, where every individual is empowered to lead with purpose and deliver with passion. With a strong focus on employee wellbeing, continuous learning, and collaborative success, NPCI is more than just a workplace - it’s a platform to grow, contribute, and make a meaningful difference.

We are looking for aJava Full Stack Developerto design, build, and scalemission‑critical digital payment applications powering UPI Global platforms.

This role offers the opportunity to work onreal‑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.

• Role:Java Full Stack Application Engineer
• Department:Product – Technology
• Experience: 2 to 6 Years
• Education:BE / BTech or equivalent professional qualification
• Work Mode:5 Days Work From Office (WFO)

Key Responsibilities

• Design and developscalable RESTful APIsusing Java, Spring Boot, and Hibernate/JPA for UPI Global applications
• Build and maintainmicroservices-based architectures, integrating with internal and external payment systems
• Ensure seamlessfrontend–backend integrationfor real-time payment workflows
• Work withevent-driven systems (Kafka)for asynchronous transaction processing
• Implementsecure authentication and authorizationusing OAuth2, JWT, and industry best practices
• Optimize applications forperformance, scalability, reliability, and security
• Writeunit and integration tests, and participate in code reviews to maintain engineering standards
• Actively participate inAgile ceremoniesand collaborate with cross-functional teams

Requirements

Key Skills & Experience Required

• Strong expertise inJava 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 withSpring Boot and backend frameworks, including dependency injection, REST API development, exception handling, and microservices-based application design
• Solid understanding ofmodern frontend development, with React.js, Redux, and TypeScript, including component architecture, hooks, state management, and efficient API integration patterns
• Familiarity withNode.js-based middleware concepts, including event loop behavior, non‑blocking I/O, and lightweight service orchestration
• Experience working withmicroservices and distributed systems, including REST API principles such as idempotency, API versioning, request validation, and error modeling
• Strong knowledge ofevent-driven architecture and messaging systems like Kafka, including topics, partitions, consumer groups, and asynchronous processing patterns
• Experience withSQL and NoSQL databases, including relational modeling, transactions, indexing, as well as NoSQL data modeling for scalability and performance
• Understanding ofcaching strategiesusing Redis or similar systems, including cache-aside patterns, TTL, and eviction policies
• Knowledge ofauthentication and security mechanisms, including OAuth2, JWT, secure API handling, and input validation
• Good understanding ofsystem design principles, including SOLID principles, layered architecture, and commonly used design patterns such as Factory, Strategy, and Proxy
• Exposure toDevOps practices, including version control (Git), build tools (Maven/Gradle), and environment-based configuration management
• Awareness ofobservability practices, including structured logging, metrics monitoring, and debugging production issues
• Strongproblem-solving, analytical, and communication skills, with the ability to work independently and in cross‑functional Agile teams

Good to Have Skills and Experience

• Experience deploying applications oncloud platformssuch as AWS, Azure, or GCP
• Exposure toCI/CD pipelinesusing Jenkins, GitLab CI, or GitHub Actions
• Knowledge ofcontainerization and orchestrationusing Docker and Kubernetes
• Familiarity withhigh-availability, low-latency systems, particularly in financial or payment processing domains