Senior Java Tech Lead: Scalable, High-Performance Systems

Reolink Technology Pte. Ltd.

Singapore

On-site

SGD 180,000 - 260,000

Full time

14 days+

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Benefits offered by this job

Medical & Dental Benefits Provided

Yearly Bonus

Performance Bonus

Relocation assistance to Tai Seng MRT

Job summary

Reolink Technology Pte. Ltd. is seeking a Lead Engineer / Software Technical Manager in Singapore. The role focuses on design, development, and performance optimization of core components within high-concurrency systems.

Applicants should have a CS or related degree and 8+ years of software development experience with Java, Node.js, and a strong foundation in CS fundamentals. A strong multi-framework background is a plus, and relocation to Tai Seng is provided.

Qualifications

Bachelor's or Master's degree in CS, software engineering or related field.
At least 8 years of software development experience with Java.
Strong CS fundamentals: OS, networks, data structures, and algorithms.
Proficiency in Java (including JVM internals and performance tuning) or Node.js (event-driven, async programming); both is a plus.
Experience with Kafka, RocketMQ, Dubbo, Zookeeper, Redis.
Deep knowledge of MySQL, including schema design, SQL optimization, and scaling strategies.
Hands-on building, deploying, and maintaining high-concurrency, high-performance systems.

Responsibilities

Take ownership of design, development, refactoring, and performance optimization of core system components.
Research, design, and implement innovative solutions for complex business and technical problems, especially high-concurrency scenarios.
Contribute to system architecture decisions focusing on scalability, availability, and fault tolerance.
Participate in the full software development lifecycle from requirements to deployment and monitoring.
Collaborate with local and regional teams and promote knowledge sharing across the organization.