Senior Java Backend Engineer - High-Performance Systems

REOLINK TECHNOLOGY PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Benefits offered by this job

Medical & dental benefits provided

Yearly bonus

5 work days per week

Job summary

REOLINK TECHNOLOGY PTE. LTD. in Singapore seeks a Senior Backend Engineer with Java expertise to design, develop, and optimize core services, focusing on high-concurrency and high-availability systems.

You will work with Java and Node.js, Kafka/RocketMQ/Dubbo/Zookeeper/Redis, and MySQL, collaborating with local and regional teams, and participating across the full software lifecycle. relocation to Tai Seng MRT planned in Aug/Sep 2026 is supported.

Qualifications

• Bachelor's or Master's degree in Computer Science, Software Engineering, or related technical discipline
• 3–10 years of software development experience (Java) preferred
• Strong CS fundamentals: OS, networks, data structures & algorithms
• Proficiency in Java; Node.js a plus; JVM tuning knowledge beneficial
• Experience with open-source frameworks: Kafka, RocketMQ, Dubbo, Zookeeper, Redis

Responsibilities

• Own design, development, refactoring and performance optimization of core components
• Research and implement innovative solutions for high-concurrency scenarios
• Contribute to system architecture decisions for scalability and fault tolerance
• Participate in full software development lifecycle from requirements to deployment
• Collaborate with local and regional teams and share knowledge across the team

Skills

Java programming

Node.js

High concurrency system design

Education

Bachelor's or Master's in Computer Science/Software Engineering

Tools

Kafka

RocketMQ

Dubbo

Zookeeper

Redis

MySQL

Job description

REOLINK TECHNOLOGY PTE. LTD. in Singapore seeks a Senior Backend Engineer with Java expertise to design, develop, and optimize core services, focusing on high-concurrency and high-availability systems.

You will work with Java and Node.js, Kafka/RocketMQ/Dubbo/Zookeeper/Redis, and MySQL, collaborating with local and regional teams, and participating across the full software lifecycle. relocation to Tai Seng MRT planned in Aug/Sep 2026 is supported.