Node Js Developer - (WFO | Dadar - Mumbai)

About the Role:

700 million

We at Winjit Technologies are seeking an experienced Node.js Developer with hands-on expertise in building a UPI switch for banking applications. The ideal candidate should have a strong background in backend development, API integrations, payment systems, and financial transaction processing.

Key Responsibilities:

• Design, develop, and optimize a

  scalable and secure UPI switch

  for banking applications.
• Implement

  real-time transaction processing

  with high availability and low latency.
• Integrate with banking systems, NPCI, and third-party payment gateways.
• Ensure compliance with

  UPI security standards

  and banking regulations.
• Work closely with DevOps to

  deploy and monitor

  microservices-based architecture.
• Optimize database performance and manage

  transaction consistency

  .
• Conduct

  debugging and performance tuning

  .
• Collaborate with cross-functional teams, including

  frontend developers, QA, and product managers

  .

Required Skills & Experience:

• 2-4 years of hands-on experience

  in

  Node.js

  and backend development.
• Proficiency in

  JavaScript, TypeScript, and asynchronous programming

  .
• Experience with

  Microservices, RESTful APIs, and WebSockets

  .
• Expertise in

  PostgreSQL or SQL

• Experience with

  Docker, Kubernetes, and cloud platforms (AWS, GCP, Azure)

  .

Nice to Have:

• Certification in

  banking or financial technology

• Strong knowledge of

  UPI architecture

  , NPCI standards, and banking APIs.
• Understanding of

  security protocols, encryption, and compliance in fintech

  .
• Prior experience in

  banking, fintech, or payment solutions

  is highly desirable

Why Join us:

• Chance to contribute on

  one of India's Largest Digital Transformation Projects

• 700 days

  of expertise in 365 days of experience
• Rapid Growth with

  fast-tracked career

  architecture