Senior Back-End Developer

We are looking for a seasoned Senior Back-End Developer with a deep understanding of Java, Spring Boot, MySQL, and  Docker. The successful candidate will be responsible for developing and maintaining server-side applications, optimizing  SQL queries, and refactoring existing code to improve performance and scalability. You will also provide technical  leadership, mentoring junior developers, and guiding best practices across the team. Your role & responsibilities Develop and Maintain Back-End Services:  Design, develop, and optimize server-side applications using Java and Spring Boot.  Implement and maintain RESTful APIs and microservices architecture.  Ensure code quality through automated tests, code reviews, and adherence to coding standards. Database Management:  Design and maintain MySQL databases, ensuring data integrity and optimal performance. Optimize SQL queries for performance and scalability.  Implement database migrations and version control.  Code Refactoring:  Lead efforts to refactor existing codebases to improve efficiency, maintainability, and scalability. Identify and resolve performance bottlenecks in the application and database layers.  Implement best practices for clean, maintainable, and well-documented code.  Technical Leadership:  Mentor junior developers and provide guidance on best practices in back-end development. Lead technical discussions, architecture design sessions, and code reviews.  Stay up-to-date with the latest industry trends, tools, and technologies.  Containerization and Deployment:  Design, implement, and manage Docker containers for application deployment.  Collaborate with DevOps teams to ensure smooth CI/CD pipelines.  Troubleshoot and resolve issues in the development and production environments.  Collaboration:  Work closely with front-end developers, product managers, and other stakeholders to deliver high-quality  products.  Participate in agile ceremonies and contribute to sprint planning, retrospectives, and daily stand-ups.  Your skills & qualifications Technical Skills:  Expertise in Java: Extensive experience in developing back-end applications using Java. Proficiency in Spring Boot: Strong knowledge of Spring Boot for building scalable and maintainable applications. Database Management: Experience with MySQL, including database design, query optimization, and  management.  Containerization: Hands-on experience with Docker for containerizing applications.  Code Refactoring: Proven experience in refactoring existing codebases and SQL queries. Testing: Familiarity with unit testing, integration testing, and testing frameworks (e.g., JUnit, TestNG). Tooling: Experience with version control (Git), build tools (Maven/Gradle), and CI/CD pipelines. Soft Skills:  Excellent problem-solving skills and attention to detail.  Strong communication and collaboration skills.  Ability to lead and mentor a team of developers.  Ability to manage and prioritize multiple tasks effectively.  Experience  Education: Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience). Experience: 5+ years of professional back-end development experience, with a strong focus on Java, Spring Boot,  and MySQL.  Project Experience: Proven experience in refactoring code, optimizing SQL queries, and leading technical  initiatives.  Benefits for youCompetitive Salary:  Salary: 1.600 – 2.400 USD  Attractive and competitive salary and bonus schemes in the market.  Performance bonus and year-end bonus based on work achievements.  Work Environment:  Fully equipped with necessary working devices to ensure work quality.  Exposure to the latest technologies.  Young, creative, and professional working environment.  Team building activities, trips, and internal events.  Career Development:  Clear opportunities for promotion and career development.  Training programs and professional skill development.  Entitlements:  Annual leave as per legal regulations.  Holidays, Tet holidays, and other leave as per company regulations.  Full insurance benefits as per regulations.