Senior Java Lead - High-Performance Systems

Reolink; Singapore; On-site; SGD 70,000 - 110,000; Full time

Benefits offered by this job

Medical & dental benefits provided

Yearly bonus

Performance bonus

5 work days per week

Job summary

Reolink is seeking an experienced Java (and Node.js) software engineer to build and optimize high-concurrency, reliable backend systems. You will own design, development, and performance improvements across core services while collaborating with regional teams and business partners.

The role emphasizes strong CS fundamentals, JVM insights, and scalable architecture, with opportunities to influence system design and technology choices. A competitive package and yearly bonus are offered.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related technical discipline
• 5–10 years of software development experience in JAVA programming is preferable
• Strong understanding of computer science fundamentals (OS, networking, data structures, algorithms)
• High proficiency in Java (including JVM internals and performance tuning) or Node.js (event-driven, async) – proficiency in both is a plus
• Proficient with Kafka, RocketMQ, Dubbo, Zookeeper, Redis frameworks/tools
• Deep knowledge of MySQL, including schema design, SQL optimization, and scaling

Responsibilities

• Take ownership of design, development, refactoring, and performance optimization of core system components
• Contribute to system architecture decisions focusing on scalability, availability, and fault tolerance
• Participate in full software development lifecycle from requirements to deployment and monitoring
• Collaborate with local and regional teams and business partners
• Share knowledge and promote best practices within the team

Skills

Java programming

Node.js

JVM internals

Performance tuning

Kafka

RocketMQ

Dubbo

Zookeeper

Redis

MySQL

High-concurrency systems

System design

Education

Bachelor’s or Master’s in Computer Science or related

Job description

Reolink is seeking an experienced Java (and Node.js) software engineer to build and optimize high-concurrency, reliable backend systems. You will own design, development, and performance improvements across core services while collaborating with regional teams and business partners.

The role emphasizes strong CS fundamentals, JVM insights, and scalable architecture, with opportunities to influence system design and technology choices. A competitive package and yearly bonus are offered.