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Senior Java Developer (Backend Engineer)

Summary

Build and optimize high-performance Java backend services for a scalable web app, using Kafka, Redis, and MySQL while ensuring high availability and concurrency.

Roles & Responsibilities 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 (Senior Backend Engineer - JAVA Programming) 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. Tell employers what skills you have Java 8 Rocket U2 Java Threads Apache ZooKeeper Software Engineering MySQL Java Server Application Development JavaScript SQL Core Java JIRA Apache Kafka Software Design Java Redis J2EE Software Development Java - Web Zookeeper

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