Ekfrazo - Java Developer - UPI & BBPS Backend in Chennai, भारत

Job Description : We are looking for a strong Java Backend Developer with 3 - 5 years of experience in building scalable, secure, and high-performance backend applications. The candidate must have hands-on experience working on at least one live UPI application and should have strong expertise in Core Java, Spring Boot, REST APIs, Microservices, SQL, and third-party API https://jobeax.com/link/EOgq88Qf0LJRFo1h Responsibilities : - Develop and maintain backend services using Core Java and Spring Boot.- Build and maintain REST APIs and Microservices for UPI and BBPS applications.- Implement UPI transaction flows including payment initiation, validation, status handling, reversals, and webhooks.- Develop BBPS backend APIs for bill fetch, payment, and reconciliation.- Integrate with banks, PSPs, payment gateways, and third-party APIs.- Implement transaction management, idempotency, and retry mechanisms.- Troubleshoot production issues, perform RCA, and implement permanent https://jobeax.com/link/AnsBH9ru0jrJOAjw Technical Skills : - Core Java (Java 8+), Spring Boot / Spring MVC- RESTful API development, Microservices architecture- Hibernate / JPA, SQL and relational databases- Git, Maven / Gradle, JUnit / MockitoMandatory Domain Experience : - Hands-on experience working on at least one UPI application- Good understanding of UPI transaction lifecycle and payment APIs- BBPS experience is highly preferredIdeal Candidate : The ideal candidate should be a strong Java Backend Engineer with hands-on UPI application experience, capable of independently developing APIs, implementing payment transaction logic, and troubleshooting production issues. (ref:hirist.tech)