Back End Developer (Java)

About LG CNS Vietnam Build CenterLG CNS is a global IT solutions company specializing in digital transformation, cloud computing, AI, and smart solutions. As part of our expansion in Vietnam, we are looking for talented Java Back-End Developers to join our Build Center in Hanoi. This is an exciting opportunity to work on cutting-edge global projects, leveraging advanced technologies to develop enterprise-grade applications.ResponsibilitiesDesign, develop, and maintain scalable and high-performance backend systems using Java (Spring Boot, Spring Cloud).Develop and optimize RESTful APIs and microservices architecture.Implement security and data protection best practices.Work with relational (MySQL, PostgreSQL) and NoSQL (MongoDB, Redis) databases.Optimize application performance, ensuring reliability and scalability.Collaborate with frontend developers, DevOps engineers, and product managers to deliver high-quality software solutions.Write clean, efficient, and well-documented code following best practices.Conduct unit and integration testing to ensure software quality.Participate in Agile development, including sprint planning, stand-up meetings, and retrospectives.