Senior Software Engineer (Java Backend Programming)

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

• 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)

1. Bachelor's or Master's Degree in Computer Science, Software Engineering, or a related technical discipline
2. At least 3-10 years of software development experience (Java Programming) is preferable for this post
3. Strong understanding of computer science fundamentals (operating systems, network principles, data structures, and algorithms)
4. 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.
5. Frameworks & Middleware: Proficient with common open-source frameworks and tools such as Kafka, RocketMQ, Dubbo, Zookeeper, and Redis.
6. Deep knowledge of MySQL, including schema design, SQL optimization, and database scaling strategies.
7. 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.