01Overview
We are seeking a Senior Java Developer to join Belen ITS for a full-time opportunity working on enterprise-grade, product-based applications for global clients. This role is ideal for engineers who are hands-on coders , enjoy designing REST APIs , and take ownership of building scalable, high-performance backend systems. You will work closely with cross-functional teams to deliver robust solutions, contribute to architectural decisions, and solve complex technical problems in an Agile environment. Responsibilities Design, develop, and maintain RESTful APIs using Java and Spring Boot Build and enhance microservices-based backend components Write clean, efficient, and maintainable code following best practices Develop and execute JUnit test cases to ensure code quality Validate APIs using Postman and Swagger Implement and optimize SQL queries and database interactions (Oracle preferred) Apply authentication and authorization mechanisms (OAuth2, JWT, SAML, SSO ) Troubleshoot production issues and perform root cause analysis Optimize application performance and scalability Participate in Agile/Scrum ceremonies and contribute to sprint planning Collaborate with UI, QA, and DevOps teams for end-to-end delivery Review code and mentor junior developers when required Qualifications Bachelors degree in Computer Science, Engineering, or a related field 5+ years of professional experience in Java backend development Strong hands-on experience with Spring Boot and REST API development Solid understanding of Java OOP concepts and design principles Experience working on product-based or enterprise applications Strong programming, debugging, and analytical skills Experience with JUnit, Postman, Swagger, Git, Maven, Jenkins Working knowledge of SQL / Oracle databases Familiarity with microservices architecture Exposure to cloud platforms (AWS/Azure) is a plus Experience working with international / foreign clients preferred Ability to work independently and take ownership of deliverables Immediate joiner or short notice period preferred .
