Develop and ship fintech application features using the MERN stack. Build secure payment, banking, biller, and payment gateway integrations; manage transaction processing, reconciliation, databases, and messaging systems. Write tests, participate in code reviews, troubleshoot production issues, and collaborate with product, engineering, QA, and support teams. The role also involves following RBI/NPCI guidelines and supporting junior engineers.
We are looking for a Software Development Engineer (SDE-2) to join our fintech product team. The ideal candidate has solid hands-on experience with the MERN stack and has worked on payment systems or banking API integrations. You will own features end to end, build reliable and secure payment flows, and work closely with senior engineers on integrations and system design.
- Design, develop and ship features for fintech applications using the MERN stack (MongoDB, Express.js, React, Node.js).
- Build and maintain integrations with BBPS billers, Prepaid Payment Instruments (PPI) and Bank APIs (IMPS/NEFT/RTGS), working with senior engineers on design.
- Implement and support Payment Gateway (PG) integrations, including transaction status handling, retries and reconciliation.
- Write efficient queries and data models across relational databases (MySQL/PostgreSQL) and MongoDB.
- Build producers and consumers on RabbitMQ / Kafka for asynchronous and real-time transaction processing.
- Follow RBI/NPCI guidelines and secure coding practices in day-to-day development.
- Write unit and integration tests, participate in code reviews, and help junior engineers where needed.
- Debug and resolve production issues in payment flows along with the support and QA teams.
- Collaborate with product managers, senior engineers and QA to deliver features on time.
RequirementsRequired Qualifications
Education
- Bachelor's degree in Computer Science, Information Technology or a related field (B.E./B.Tech).
Experience
- 3–5 years of professional software development experience.
- Strong hands-on experience in MERN stack development.
- Hands-on experience with at least one of: BBPS, PPI, Bank API integrations (IMPS/NEFT/RTGS) or Payment Gateway integrations.
- Working knowledge of message queues (RabbitMQ and/or Kafka).
- Good knowledge of relational and document databases.
- Exposure to UPI, AEPS, FASTag or other payment ecosystem integrations.
- Familiarity with microservices and Docker.
- Basic understanding of CI/CD pipelines and cloud platforms (AWS/Azure/GCP).
- Good problem-solving, analytical and communication skills.Prefers working in a startup environment: comfortable with ownership, fast pace and changing priorities.
This role offers a clear path to Senior Software Development Engineer (SDE-3), with the opportunity to take ownership of larger payment integrations and mentor junior engineers.
BenefitsCompensation & Benefits
- CTC of ₹6–9 LPA, based on experience and interview performance.
- Performance-based incentives.
- Health insurance.
- Learning and professional development support.
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