Senior Java Developer (Backend Software Engineer)

5 Work Days Per Week Current Office Near to Kaki Bukit MRT, Singapore Will Relocate to Tai Seng MRT in August / September 2026 Medical & Dental Benefits Provided Entitled to Yearly Bonus & Performance Bonus Current Application & Web App are using Java Programming Job Requirements Bachelor's or Master's Degree in Computer Science , Software Engineering, or a related technical discipline At least 3-10 years of software development experience (Java Programming) is preferable for this post Strong understanding of computer science fundamentals (operating systems, network principles, data structures, and algorithms) Programming Languages: High proficiency in Java (including JVM internals and performance tuning) or Node.js (including its event-driven architecture and asynchronous programming model). Proficiency in both is a significant plus. Frameworks & Middleware: Proficient with common open-source frameworks and tools such as Kafka, RocketMQ, Dubbo, Zookeeper, and Redis. Deep knowledge of MySQL, including schema design, SQL optimization, and database scaling strategies. System Experience: Proven, hands-on experience in building, deploying, and maintaining high-concurrency, high-performance, and high-availability systems. Job Responsibilities ( Senior Software Developer / Senior Backend Engineer) Design & Development Take ownership of the design, development, refactoring, and performance optimization of core system components, delivering high-quality and maintainable code. Technical Innovation & Problem-Solving Research, design, and implement innovative solutions to address complex business and technical problems, particularly in high-concurrency scenarios. System Architecture Contribute to system architecture decisions, focusing on scalability, high availability, and fault tolerance. Full-Lifecycle Participation Actively participate in the entire software development lifecycle, from requirements analysis and system design to testing, deployment, and operational monitoring. Collaboration & Knowledge Sharing Work effectively with local and regional team members, as well as business unit partners. Share knowledge, promote best practices, and help elevate the team's overall technical capabilities.