Java Backend Developer

Job Title: Java Backend Developer

About Kumaran Systems

Kumaran Systems is a global technology solutions provider delivering innovative IT services and digital transformation solutions to clients worldwide. We foster a collaborative, growth-driven work culture and offer employees opportunities to work on global assignments, enabling both professional and personal development.

Role Overview

We are looking for a highly skilled Java Backend Developer to design, develop, and maintain scalable backend applications. This role requires strong expertise in Java, Spring Boot, and microservices architecture to build robust and high-performance enterprise applications. The ideal candidate will collaborate closely with cross-functional teams, including product managers, business analysts, and frontend developers, to deliver secure, scalable, and production-ready solutions.

Key Responsibilities

Design, develop, and maintain backend services using Java and Spring frameworks Build and deploy RESTful APIs and microservices-based applications Write clean, efficient, and maintainable code following best practices Develop and optimize complex SQL queries for data processing and integration Work on application performance tuning, scalability, and security enhancements Collaborate with cross-functional teams for requirement gathering and solution design Participate in code reviews, debugging, and troubleshooting Work with version control and project management tools

Required Skills & Experience

5–7 years of experience in Java backend development Strong proficiency in Java (8/11/17 or above) and J2EE Hands-on experience with Spring Boot and Spring Framework (MVC, AOP, Security) Strong experience in building RESTful APIs and Microservices architecture Experience with Hibernate/JPA for ORM and database interaction Strong SQL skills with experience in writing complex queries Experience working with relational databases like Oracle

Technical Stack

Backend: Java (8/11/17), J2EE Spring Boot, Spring MVC, Spring Security, AOP Hibernate / JPA Database: Oracle, SQL Exposure to MongoDB, MySQL, or NoSQL databases Frontend (Basic Exposure): jQuery, JqGrid Tools & Technologies: GitHub, DevOps, JIRA Exposure to cloud-based applications (AWS/Azure/GCP)

Preferred Skills

Experience working with cloud-based applications Knowledge of microservices deployment and distributed systems Familiarity with DevOps practices and CI/CD pipelines Good understanding of system design and architecture

Relevant Experience Preferred

Experience in IT/ITES organizations building enterprise applications Hands-on experience in microservices-based architecture and large-scale systems Projects involving API integrations and backend optimization

Qualification

Bachelor’s or Master’s degree in Computer Science, Information Technology, or related field

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