Node.js Developer - UPI Switch (4-10 yrs)

Job Description : Senior Node.js Developer.

(4-10 Years Experience) - UPI Switch Development for Banking Applications.

Position : Senior Node.js Developer.

Experience : 4-10 Years.

Location : Mumbai.

Employment Type : Full-Time.

Job Summary :

We are seeking a highly skilled Senior Node.js Developer with 7-10 years of experience to join our team.

The ideal candidate should have hands-on expertise in building a UPI Switch for banking applications and a strong understanding of payment systems, APIs, and transaction processing role requires deep technical knowledge, problem-solving abilities, and experience in developing secure, scalable financial solutions.

Key Responsibilities :

- Design, develop, and maintain UPI switch for banking applications using Node.js.

- Architect and implement highly scalable, secure, and efficient payment processing systems.

- Collaborate with cross-functional teams, including backend, frontend, and DevOps, to ensure seamless integration.

- Optimize transaction processing to handle high-volume real-time payments.

- Implement security best practices for handling sensitive financial data and transactions.

- Work with payment gateways, banking APIs, and NPCI specifications to ensure compliance.

- Debug and resolve performance bottlenecks and technical issues.

- Ensure high availability and reliability of the UPI system through robust design and monitoring.

- Stay updated with the latest banking and fintech industry trends to enhance system capabilities.

Required Skills & Experience :

- 4-10 years of experience in backend development with Node.js.

- Proven experience in developing UPI switch or real-time payment solutions.

- Strong understanding of NPCI UPI architecture, ISO 8583, and financial transaction protocols.

- Hands-on experience with RESTful APIs, WebSockets, and microservices architecture.

- Proficiency in PostgreSQL database.

- Expertise in asynchronous programming, event-driven architecture, and message queues (Kafka, RabbitMQ, etc.

- Experience in banking domain, fintech applications, or payment processing systems.

- Strong knowledge of security protocols, encryption, and compliance standards for financial applications.

- Familiarity with cloud platforms (AWS, GCP, or Azure) and containerization (Docker,Kubernetes).

- Ability to troubleshoot performance issues and optimize system efficiency.

Preferred Qualifications :

- Experience with blockchain-based payment systems is a plus.

- Knowledge of AI/ML-driven fraud detection mechanisms.

- Familiarity with DevOps tools for CI/CD, logging, and monitoring.