Manager/AM - Software Engineering (Middleware)

Assistant Manager (3-5 Yrs)

About the role

Senior Middleware Integration Developer

This is a hands-on developer role focused on enabling reliable and secure system-to-system communication via a robust middleware layer.

Key Responsibilities

• Design, build, and maintain

  middleware services

  to manage data exchange between internal and external systems
• Develop REST APIs and asynchronous processing flows using Node.js
• Implement and configure

  Kong API Gateway

  to manage routing, authentication, and throttling policies
• Handle data transformation, mapping, validation, and orchestration within the middleware layer
• Apply middleware-focused design patterns such as faade, adapter, and event-driven messaging
• Work with queues (Kafka/RabbitMQ) and file-based inputs (SFTP) for asynchronous integration needs
• Secure all endpoints using OAuth2, JWT, API key validation, and rate limiting
• Write testable, maintainable code with appropriate logging and monitoring

Required Qualifications

• 5+ years of backend or integration development experience, ideally in fintech, SaaS, or wealthtech
• Strong hands-on experience with

  Node.js

  , including REST API design and middleware architecture
• Solid understanding of

  Kong API Gateway

  or similar gateway technologies
• Familiarity with system integration methods: REST/SOAP APIs, webhooks, message queues, SFTP
• Experience with

  financial data formats

  (FIX, OFX, JSON, XML)
• Comfortable working with

  Kafka, RabbitMQ

  , or other asynchronous tools
• Deep understanding of

  middleware security best practices