Ekfrazo Technologies - Java Developer - Payment Aggregation in Chennai, भारत

Role Overview : We are looking for an experienced Java Developer with 4 - 6 years of hands-on experience in Payment Aggregation (PA), Payment Gateway (PG), and merchant payment https://jobeax.com/link/1Rn7zv9wYEsoo7Eu candidate should have strong knowledge of online and offline merchant transaction flows, including QR payments, Soundbox, UPI, POS and payment gateway https://jobeax.com/link/dCXcLspnmzkdUCPg role involves designing, developing, integrating, and supporting scalable payment services and APIs while working closely with product, business, operations, security, and external payment https://jobeax.com/link/keWMH7WPUqodH0ya Responsibilities : - Design, develop, and maintain backend applications using Java and Spring Boot.- Develop and integrate REST APIs for Payment Aggregator (PA) and Payment Gateway (PG) platforms.- Understand and implement end-to-end online and offline merchant payment flows.- Work on merchant payment journeys including online checkout, UPI, QR-based payments, POS transactions, Soundbox integration, merchant onboarding, transaction processing, webhook handling, and reconciliation.- Integrate with banks, UPI providers, payment processors, and third-party payment service providers.- Develop transaction processing APIs with appropriate validation, error handling, logging and security controls.- Troubleshoot production issues, transaction failures and integration issues with external vendors.- Participate in code reviews, technical discussions and solution https://jobeax.com/link/mwpmTyZFCeLCfsld Stack : - Core Java (Java 8/11/17+), Spring Boot, Spring MVC, REST APIs.- Microservices architecture, SQL (MySQL/Oracle).- JSON, XML, API authentication.- Git, CI/CD, AWS (preferred).Payment Domain Skills : - Practical experience in Payment Aggregator (PA), Payment Gateway (PG), Merchant Acquiring, UPI, QR payments, Soundbox, and settlement/reconciliation. (ref:hirist.tech)