Sr. Backend Developer

We are seeking a skilled Backend Developer with 4 to 6 years of hands-on experience in designing, developing, and maintaining Java-based applications within the FinTech and Payments domain. The ideal candidate should have strong expertise in backend technologies, object-oriented programming, and large-scale payment systems, with proven experience in UPI-based products and transaction processing.

Responsibilities

• Design, develop, implement, and maintain scalable Java-based backend applications.
• Participate in all phases of the software development life cycle (SDLC).
• Develop and maintain payment gateway, pay-in, and pay-out (disbursal) systems.
• Work on UPI payment products, including payment collection and disbursal services.
• Handle UPI switch integrations and NPCI development and settlement processes.
• Develop and consume RESTful APIs and microservices-based architectures.
• Write clean, efficient, secure, and scalable code following best practices.
• Debug, troubleshoot, and resolve technical and production issues.
• Collaborate with frontend developers, QA teams, and cross-functional stakeholders.
• Ensure code quality through unit testing, code reviews, and documentation.
• Stay updated with industry trends, regulatory requirements, and emerging technologies.

Requirements

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 4 to 6 years of experience in Java backend development with strong FinTech exposure.
• Proficiency in Java 11 and Java 21
• Strong understanding of Java SE, OOP concepts, and design patterns.
• Hands-on experience with Spring Framework and Spring Boot.
• Experience with Microservices architecture and API Gateway.
• Good understanding of Kafka for messaging and event-driven architectures.
• Experience working with RESTful APIs.
• Working knowledge of AES encryption or other security and encryption mechanisms.
• Strong experience in UPI systems, including UPI Switch, NPCI development, and settlement flows.
• Experience in UPI payment products, payment collection, and payout (disbursal) services.
• Experience with MongoDB or other NoSQL databases.
• Strong problem-solving, analytical, and communication skills.

This job was posted by Kanak Devka from SecurePay.