HCLTech is looking for an experienced API Developer with strong backend engineering expertise to design, develop, secure, and support enterprise-grade APIs and microservices. This role requires hands-on experience in API-first development, integration with internal and external systems, performance optimization, and working in Agile delivery teams.

Key Responsibilities Design, develop, test, and maintain RESTful APIs and microservices for enterprise applications. Work closely with architects, business analysts, product owners, and integration teams to understand requirements and deliver scalable API solutions. Develop clean, secure, reusable, and maintainable backend code using technologies such as Java/Spring Boot, Node.js, Python, or equivalent frameworks.

Implement authentication, authorization, API security controls, logging, exception handling, and monitoring standards. Integrate APIs with internal systems, third-party platforms, databases, and cloud-native services. Support CI/CD automation, deployment, and release activities across development, test, and production environments.

Troubleshoot API performance issues, production defects, integration failures, and service availability concerns. Prepare and maintain API documentation using Swagger/OpenAPI and ensure adherence to coding and documentation standards. Participate in Agile ceremonies, sprint planning, estimation, code reviews, and continuous improvement initiatives.

Mentor junior developers and promote best practices in API development, security, and engineering excellence.

Required Skills and Experience 5–10 years of hands-on experience in backend application development and API development. Strong experience in REST API design, microservices architecture, and distributed application development. Proficiency in one or more backend technologies such as Java, Spring Boot, Node.js, Python, C#, or equivalent. Good understanding of API security standards including OAuth 2.0, JWT, TLS, authentication,



and authorization mechanisms.

Experience with relational and non-relational databases such as PostgreSQL, Oracle, SQL Server, MongoDB, or equivalent. Hands-on experience with API testing and documentation tools such as Postman, Swagger/OpenAPI, JMeter, or similar.

Experience working with CI/CD tools, Git-based source control, build pipelines, and automated deployment processes. Exposure to cloud platforms such as AWS, Azure, or Google Cloud Platform. Knowledge of containerization and orchestration tools such as Docker and Kubernetes will be an advantage.

Strong debugging, analytical, problem-solving, and production support skills. Qualification and Competencies Bachelor’s or master’s degree in computer science, Information Technology, Engineering, or a related discipline. Robust communication skills with the ability to work effectively with cross-functional teams and client stakeholders.

Ability to understand business requirements and translate them into robust technical solutions. Strong ownership mindset with focus on quality, delivery timelines, security, and operational stability.

Experience working in Agile/Scrum delivery models.

Preferred Skills Experience with API gateways or API management platforms such as Apigee, Kong, Azure API Management, or AWS API Gateway. Exposure to DevOps practices, cloud-native architecture, observability tools, and enterprise integration patterns. Knowledge of GraphQL, gRPC, event-driven architecture, or messaging platforms will be an added advantage. Prior experience in client-facing delivery, enterprise application modernization, or large-scale integration programs.

Work Expectations

Demonstrate accountability for assigned deliverables and ensure timely completion with quality. Follow HCLTech delivery governance, coding standards, information security practices, and client-specific processes. Collaborate effectively with onsite, offshore, client, and third-party teams. Support continuous improvement, automation, knowledge sharing, and operational excellence initiatives.

📌 API Developer (Chennai)
🏢 HCLTech
📍 Chennai