Java Performance Engineer for Scalable Backend

Binance; Hong Kong; On-site; HKD 300,000 - 600,000; Full time

Benefits offered by this job

Work-from-home arrangement

Equal opportunity employer

Job summary

Binance is seeking engineers with 1–5 years of experience who are passionate about Java, distributed systems and performance engineering. Exceptional new graduates with strong Java fundamentals and hands‑on project experience are also welcome.

This role focuses on improving the performance, scalability and reliability of distributed backend systems. You will analyze JVM internals, optimize middleware, troubleshoot production bottlenecks and build internal tooling for scalable, production-ready

Qualifications

• Strong Java programming and JVM internals knowledge.
• Experience diagnosing performance bottlenecks via profiling and GC tuning.
• Familiarity with distributed system architecture and production troubleshooting.
• Experience with Spring Boot and microservices.

Responsibilities

• Analyze and optimize the performance of large-scale Java applications across application, middleware, JVM and infrastructure layers.
• Investigate production performance issues, identify root causes through profiling, tracing and code analysis, and drive end-to-end optimization.
• Design and execute performance validation for distributed systems, covering throughput, latency, scalability and system stability.
• Improve Java runtime performance through JVM tuning, GC optimization, thread analysis, memory leak investigation and profiling.
• Optimize databases and middleware including MySQL, Redis, Kafka and other distributed components.
• Build internal platforms and automation tools for performance testing, diagnostics, observability and capacity planning.
• Partner with backend engineers and DevOps teams to improve system reliability and production readiness.
• Review Java code for performance risks and leverage AI‑assisted engineering tools to improve development efficiency while ensuring production‑quality code

Skills

Java

JVM internals

Multithreading

Profiling

GC tuning

Distributed systems

Performance engineering

Spring Boot

Microservices

Linux

Docker

Kubernetes

Observability

AI-assisted tooling

Tools

Kafka

Redis

RabbitMQ

ZooKeeper

Job description

Binance is seeking engineers with 1–5 years of experience who are passionate about Java, distributed systems and performance engineering. Exceptional new graduates with strong Java fundamentals and hands‑on project experience are also welcome.

This role focuses on improving the performance, scalability and reliability of distributed backend systems. You will analyze JVM internals, optimize middleware, troubleshoot production bottlenecks and build internal tooling for scalable, production-ready