Java Developer **General Information** Req # WD00085386 Career area: Hardware Engineering Country/Region: Singapore State: Central Singapore City: SINGAPORE Date: Monday, July 28, 2025 Working time: Full-time **Additional Locations** : * Singapore - Central Singapore - Singapore * Singapore - Central Singapore - SINGAPORE **Why Work at Lenovo** We are Lenovo. We do what we say. We own what we do. We WOW our customers. Lenovo is a US$57 billion revenue global technology powerhouse, ranked #248 in the Fortune Global 500, and serving millions of customers every day in 180 markets. Focused on a bold vision to deliver Smarter Technology for All, Lenovo has built on its success as the world’s largest PC company with a full-stack portfolio of AI-enabled, AI-ready, and AI-optimized devices (PCs, workstations, smartphones, tablets), infrastructure (server, storage, edge, high performance computing and software defined infrastructure), software, solutions, and services. Lenovo’s continued investment in world-changing innovation is building a more equitable, trustworthy, and smarter future for everyone, everywhere. Lenovo is listed on the Hong Kong stock exchange under Lenovo Group Limited (HKSE: 992) (ADR: LNVGY). This transformation together with Lenovo’s world-changing innovation is building a more inclusive, trustworthy, and smarter future for everyone, everywhere. To find out more visit www.lenovo.com , and read about the latest news via ourStoryHub (https://news.lenovo.com/) . **Description and Requirements** Job Summary: We are looking for an experienced Java Back-End Developer to join our platform development team. This role is responsible for designing and implementing robust, scalable back-end systems that power our cloud platform. The ideal candidate will have deep expertise in Java technologies, microservices architecture, and cloud-native development practices. Key Responsibilities: 1. Backend System Development: Design and develop platform business functions based on Product Requirement Documents (PRD). Implement scalable microservices using Java and Spring ecosystem. Ensure high-performance, reliable backend services that meet business requirements. 2. Architecture & Data Design: Design efficient business models and data structures based on platform requirements. Collaborate with database teams to optimize PostgreSQL schema design. Implement best practices for data integrity and system scalability. 3. System Maintenance & Troubleshooting: Diagnose and resolve platform issues including service exceptions and interface failures. Utilize logging, monitoring, and debugging tools for rapid problem resolution. Ensure platform stability and reliability through proactive maintenance. 4. Performance Optimization: Analyze and optimize platform performance through code improvements and database tuning. Configure and optimize middleware components including RabbitMQ and Redis. Implement monitoring and continuous performance improvements. Qualifications: - Bachelor's degree or above in Computer Science, Software Engineering, or related fields. - Strong proficiency in Java programming including multithreading, collections, and JVM optimization. - Extensive experience with Spring Boot, Spring Cloud, and microservices architecture. - Expertise in middleware technologies: PostgreSQL, RabbitMQ, Redis, Docker, and Kubernetes. - Proficiency in development tools: IntelliJ IDEA, GitLab, and AI-assisted development tools. - Experience with CI/CD pipelines and DevOps practices. - Strong learning ability and excellent teamwork skills. - Experience with distributed systems and cloud-native development. **Additional Locations** : * Singapore - Central Singapore - Singapore * Singapore - Central Singapore - SINGAPORE * Singapore * Singapore - Central Singapore * Singapore - Central Singapore - Singapore , * Singapore - Central Singapore - SINGAPORE