Java Developer

LENOVO (SINGAPORE) PTE. LTD.; Serangoon Garden Circus; On-site; SGD 70,000 - 100,000; Full time

Job summary

A global technology company in Singapore is looking for an experienced Java Back-End Developer. You will design and implement robust back-end systems for a cloud platform. The ideal candidate has deep expertise in Java, microservices architecture, and cloud-native development practices. Join our platform development team to contribute to high-performance, scalable services.

Qualifications

• Bachelor's degree or above in Computer Science or related fields.
• Strong proficiency in Java programming including multithreading.
• Extensive experience with Spring Boot and microservices architecture.

Responsibilities

• Design and develop platform business functions based on PRD.
• Implement scalable microservices using Java and Spring ecosystem.
• Analyze and optimize platform performance through code improvements.

Skills

Java programming

Microservices architecture

Spring Boot

RabbitMQ

Redis

Kubernetes

CI/CD

Teamwork skills

Education

Bachelor's degree in Computer Science

Tools

IntelliJ IDEA

GitLab

Docker

Job description

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:

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.
• 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.
• 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.
• 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.

Job Requirements:

• 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.