Full Stack Backend Engineer - Java/Spring Boot & Node.js

Job Description

Experience: 5-8 Years Location: Chennai Notice Period: Immediate joiners or up to 30 days preferred We are hiring for our leading banking client and seeking a highly skilled Full Stack Engineer who is strong in both Spring Boot and Node.js . The selected candidate will support existing Spring Boot applications while contributing to our strategic transition towards a Node.js-first technology stack. Node.js expertise will be central to future development initiatives. Key Skills & Experience Requirements Backend Technologies (Spring Boot & Node.js) Spring Boot: Strong experience in Microservices, Event-Driven Design, Spring Cloud, Hibernate, MongoDB. Proven capability in building scalable enterprise-grade applications. Node.js: Proficiency in creating high-performance, scalable RESTful APIs. Experience with GraphQL is preferred. Hands-on expertise with TypeScript and modern JavaScript (ES6+). Thorough experience in performance tuning, debugging, logging, and monitoring across both frameworks. DevOps & Ecosystem Strong exposure to CI/CD pipelines for automated build and deployment. Experience with Docker and Kubernetes for containerisation and orchestration. Familiarity with API gateways such as 3Scale or Kong. Domain Knowledge Prior experience in Banking, Financial Services, or Fintech is highly preferred. Understanding of enterprise-level security, compliance, and regulatory expectations. Development Best Practices Strong adherence to coding standards, security best practices, and unit testing. Experience working in Agile teams delivering iterative solutions. Clear understanding of documentation practices and reusable code design patterns. Soft Skills Strong communication and collaboration skills. Self-driven, proactive, and capable of owning deliverables end-to-end. Excellent problem-solving abilities and ability to influence technical decisions. Key Responsibilities Support and enhance existing Spring Boot applications while progressively adopting and leading initiatives in Node.js. Design, develop, and maintain scalable backend systems using Spring Boot and Node.js. Ensure smooth integration between legacy Spring Boot services and modern Node.js services during the architectural transition. Troubleshoot, debug, and resolve issues across distributed systems, ensuring high availability and system resiliency. Promote engineering best practices, secure coding, and proper documentation across all deliverables. Collaborate with cross-functional teams including Product, QA, DevOps, and Architecture