Senior Backend Developer

We are looking for an experienced Senior Backend Developer to join our team. You will be responsible for designing, developing, and maintaining scalable and reliable backend systems across various domains such as networking, retail, e-commerce, and digital transformation.
Responsibilities:
Design, develop, refactor, and maintain scalable, efficient, reusable, and reliable backend services and applications using Java, [protected info], or Python
Ensure high performance, scalability, security, reliability, and maintainability of backend systems
Design and develop RESTful APIs, microservices, and backend integrations with external systems and services
Collaborate closely with Frontend Developers, QA Engineers, DevOps Engineers, and Product Managers to deliver high-quality solutions
Participate in system architecture and technical design discussions and contribute to technical decision-making
Lead daily technical activities, coordinate with the Project Manager on technical planning, task breakdown, and estimation
Identify technical risks and propose appropriate solutions and improvements
Provide technical guidance and mentorship to junior and mid-level developers
Conduct code reviews and ensure coding standards, design principles, and best practices are followed
Troubleshoot complex technical issues and improve system performance, reliability, and scalability
Stay up to date with emerging backend technologies and propose improvements to development practices, architecture, and engineering processes
Required skills/Experience:
Strong experience with Java, [protected info], or Python and relevant backend frameworks such as Spring Boot, NestJS, Express, FastAPI, or Django
Strong experience in developing RESTful APIs, microservices, and backend integrations
Experience with SQL and relational databases such as PostgreSQL, MySQL, SQL Server, or Oracle
Strong understanding of OOP, SOLID principles, design patterns, and software architecture
Experience with cloud platforms (Azure/AWS) and containerization technologies such as Docker is a plus
Experience with CI/CD and DevOps practices
Experience with Git and modern software development workflows
Strong problem-solving, communication, collaboration, and technical leadership skills
Experience with AI-assisted development tools such as GitHub Copilot, Claude, or similar tools is a plus
Bachelor's degree in Computer Science, Data Science or a related field (Software Engineering).
TOEIC score: ≥650 or an equivalent level of English proficiency.
Years of experiences: 4+ years
Location: TMA Tower, Street #10, Quang Trung Software City, Trung My Tay Ward, HCMC
Job Type: Full-time
Work Location: In person