Remote Web3 Quality Assurance Jobs in Hong Kong, Hong Kong SAR

Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by over 280 million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world.

Responsibilities

• Translate business and technical requirements into concrete performance test plans.
• Design and implement architecture-level and code-level optimizations to enhance system throughput and stability.
• Work closely with DevOps to ensure production-level high availability across distributed systems.
• Build and execute performance testing strategies covering load, stress, scalability, and reliability.
• Independently troubleshoot real-time performance issues, identifying root causes and delivering solutions end-to-end.
• Develop internal tools for automated performance monitoring, testing, and issue analysis.

Requirements

• Strong ability to identify performance bottlenecks at system, service, and code levels, with actionable solutions.
• Hands-on experience troubleshooting microservice performance issues.
• Deep expertise in Java performance tuning, profiling, and JVM-level optimization.
• Proficiency with relational and NoSQL databases (MySQL, MongoDB).
• Familiarity with performance analysis for middleware such as Kafka, Redis, RabbitMQ.
• Practical experience setting up performance test environments.
• Experience with containerization and orchestration (Docker, Kubernetes).
• Solid Linux skills, both command-line and system-level troubleshooting.
• Strong passion for building systems that excel in performance, scalability, and reliability.
• Practical experience using performance engineering tools such as K6 or JMeter.
• Programming language requirement: Java (must). Rust experience is a plus.
Nice-to-have
• Hands-on experience with public cloud platforms (AWS, Azure, GCP, AliCloud).
• Experience setting up monitoring/observability stacks (Prometheus, Grafana).
• Prior experience conducting performance tests in production environments.
• Experience triaging and resolving production performance incidents.
• Linux kernel or OS-level performance analysis skills.
• Experience working within distributed, remote teams.
• Ability to leverage APM tools effectively for performance troubleshooting.

Why Binance• Shape the future with the world’s leading blockchain ecosystem• Collaborate with world-class talent in a user-centric global organization with a flat structure• Tackle unique, fast-paced projects with autonomy in an innovative environment• Thrive in a results-driven workplace with opportunities for career growth and continuous learning• Competitive salary and company benefits• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)Binance is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success.By submitting a job application, you confirm that you have read and agree to our Candidate Privacy Notice.We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.