Backend developer

• Maintain existing backend services and develop new features based on business requirements
• Design and build reusable, scalable components and services
• Refactor and optimize existing systems to improve performance and maintainability
• Develop and maintain unit tests and API tests
• Collaborate with frontend developers to integrate APIs
• Work with QA and other stakeholders to ensure product quality, performance, and security
• Provide technical support and troubleshoot issues when required

• At least 3+ years of experience in backend development (level middle) 
• At least 5+ years of experience in backend development  (level senior)
• Strong experience with Java and Spring Boot framework
• Experience with build tools such as Gradle
• Good understanding of Microservices Architecture (MSA) and related open-source technologies
• Solid knowledge of clean coding practices
• Experience working with Git/GitHub
• Bachelor’s or Master’s degree in Computer Science or related field
• Experience working in Agile environments and using tools such as JIRA, Confluence
• Familiar with relational databases (MySQL, PostgreSQL, MariaDB) 

Preferred Qualifications: 

• Experience working with MSA-related technologies such as RabbitMQ, ELK Stack, Nginx, Redis, PostgreSQL, Spring Cloud
• Experience in Linux system administration 

• Competitive salary up to 2300$ (can negotiable)
• International working environment with direct exposure to Korean clients.
• Career growth with potential long-term collaboration.
• 13th-month salary bonus in the first year of employment.
• 100% sponsorship for training programs and international certification exams.
• Bao Viet health insurance provided after 1 year of service.
• Quarterly team-building activities and one annual company trip.
• Work in a professional, dynamic, and friendly environment.
• Annual health check-up and full social, health, and unemployment insurance according to local labor laws.
• Enjoy company retreats, team building, and diverse sports & recreational activities (swimming, yoga, kendo clubs, etc.) up to 4 times per year.
• Clear career advancement opportunities with competitive income for those who demonstrate strong capability, dedication, and long-term commitment.