Mid-Senior Java Backend Developer (Spring, English)

We're looking for an experienced Mid-Senior Backend Java Engineer to join our team. In this role, you'll be a key player in designing, implementing, and optimizing our backend systems and services. You'll work on complex distributed systems, contribute to architectural decisions, and help mentor junior team members, all while driving high-quality code and project outcomes.Trách nhiệm công việc System Design & Development: Lead the analysis and design of complex systems and API services. You'll be responsible for the full development lifecycle, from concept to deployment. Code Quality & Maintenance: Write robust unit and integration tests to ensure the accuracy and reliability of our services. You'll also participate in code reviews to maintain high standards and help colleagues grow. Architectural Leadership: Design and implement distributed computing services and propose improvements to existing system architecture. Your insights will be crucial in areas like index strategies, query optimization, and Redis data structures. Project Ownership: Take full ownership of project requirements, from clarifying ambiguities with stakeholders to decomposing projects into actionable tasks and coordinating with other teams. Team & Process Improvement: Actively identify opportunities for system optimization and process improvements. You will contribute to refining team culture, development workflows, and engineering best practices. Mentorship & Collaboration: Collaborate with cross-functional teams (Product, Frontend, QA, IT) and provide mentorship and technical guidance to more junior team members. Kỹ năng & Chuyên môn Experience: A minimum of 3 years of professional experience in software development. Proficiency: Deep expertise in Java, including the Spring Framework, and proficiency in Shell scripting. System Design: Proven experience in designing and implementing distributed services and applying design patterns. Database Skills: Strong command of SQL syntax and an understanding of database normalization. Tools & Technologies: Hands-on experience with Redis and familiarity with the ELK stack (Elasticsearch, Logstash, Kibana). Testing: Experience in writing effective unit tests is essential. Soft Skills: You should be a proactive problem-solver with a tenacious attitude, excellent communication skills, and the ability to articulate technical decisions clearly. Willingness to engage in pair programming is also required. Phúc lợi dành cho bạnThis role offers a clear path for growth and increasing impact within our team. First 3-6 Months: You will onboard, get familiar with our tech stack and workflows, and begin taking responsibility for product optimization and routine maintenance. You'll start tackling more complex technical requirements. Beyond 6 Months: You'll transition into leading core development tasks, contributing significantly to system architecture, and mentoring newer team members. You'll have the opportunity to influence engineering best practices and play a key role in technical decision-making. The Details Work Type: On-Site Work Hours: Day shift, 08:00–17:00, Monday to Friday. Management: This is an individual contributor role with no direct management responsibilities. Leave: Two days off per week (Saturday and Sunday). Education: Bachelor’s degree or above (no specific major required).