Development Engineer - API & Integrations (Node.js, Kong, Kafka)

As a Backend Engineer (Engineering- Integration) at our leading BFSI client, your role will involve designing and maintaining middleware services to facilitate data exchange between internal and external systems. You will work with technologies like Node.js, Kong API Gateway, and Kafka/RabbitMQ to ensure reliable, secure, and scalable communication between different platforms. Key Responsibilities: - Design, build, and maintain middleware services for managing data exchange. - Develop REST APIs and asynchronous processing flows using Node.js. - Implement and configure Kong API Gateway for routing, authentication, and throttling. - Handle data transformation, mapping, validation, and orchestration. - Apply middleware-focused design patterns such as faade, adapter, and event-driven messaging. - Utilize queues like Kafka/RabbitMQ and file-based inputs (SFTP) for asynchronous integrations. - Secure endpoints using OAuth2, JWT, API keys, and rate limiting. - Write testable, maintainable code with robust logging and monitoring. Qualifications Required: - 3-6 years of backend or integration development experience, preferably in fintech, SaaS, or wealthtech. - Strong hands-on experience with Node.js for REST API and middleware development. - Solid knowledge of Kong API Gateway or similar technologies. - Familiarity with integration methods including REST/SOAP APIs, webhooks, message queues, and SFTP. - Experience working with financial data formats like FIX, OFX, JSON, and XML. - Comfort with asynchronous tools such as Kafka, RabbitMQ, and SQS. - Deep understanding of API and middleware security best practices. If you choose to join our team, you will be part of a dynamic environment where you can contribute to building the next-gen WealthTech platform for our clients in the BFSI industry.,