Java Backend Developer

Company Overview U3 INFOTECH PTE. LTD. delivers software services, business solutions, and project management outsourcing. With expertise in banking, insurance, healthcare, supply chain, and technology, U3 partners with leading clients to provide professional services and consulting. Job Summary Design, develop, test, and maintain scalable Java backend applications while collaborating with cross-functional teams to deliver secure, high-performance solutions using modern frameworks and Agile methodologies. Responsibilities Design, develop, test, and maintain scalable Java backend applications to meet business requirements Build and enhance RESTful APIs and microservices using Spring Boot for efficient system integration Develop high-performance, secure, and reusable backend components to support application scalability Collaborate with frontend developers, business analysts, and QA teams to deliver high-quality software solutions Write clean, maintainable, and well-documented code to facilitate future development and maintenance Troubleshoot, debug, and optimize existing applications to improve performance and reliability Participate actively in Agile ceremonies including sprint planning, daily stand-ups, code reviews, and retrospectives to ensure timely delivery Ensure adherence to application performance, scalability, and security best practices throughout development Required competencies and certifications Minimum 3 years of hands-on experience in Java development Strong programming experience with Java 8/11/17 Hands-on experience with Spring Boot framework Experience in developing microservices architecture Strong knowledge of RESTful API development Experience with Spring MVC, Spring Data JPA, and Spring Security Good knowledge of relational databases such as Oracle, MySQL, or PostgreSQL Experience with Git version control system Familiarity with Maven or Gradle build tools Good understanding of Agile/Scrum development methodology Preferred competencies and qualifications Experience with containerization technologies such as Docker or Kubernetes Exposure to cloud platforms including AWS, Azure, or GCP Knowledge of messaging technologies such as Kafka or RabbitMQ Experience with CI/CD pipelines using Jenkins, GitHub Actions, or GitLab CI Domain experience in banking or financial services