Senior Staff Software Engineer, Trading Service (Retail Trading)

About the role

OKX is hiring a Senior Staff Software Engineer for its Retail Trading team. You will join a high-performing team delivering market information to millions of retail users, designing and building applications with precision, speed and insight, while contributing to the architectural foundations of the platform.

Key responsibilities

• Design, develop and maintain high-quality backend systems for market analysis in a fast-paced environment.
• Work closely with product managers, frontend engineers and infrastructure teams to deliver scalable solutions.
• Improve system reliability, scalability and maintainability through sound engineering practices.
• Take part in code reviews, architecture discussions and technical planning.
• Share knowledge, write documentation and mentor other engineers.

Required profile

• 10+ years of backend development experience in internet-scale environments, with strong system design skills.
• Experience designing and leading complex, consumer-facing systems.
• Background in internet-scale growth or operations platforms (e.g. content operations, user engagement, growth automation).
• Nice to have: product mindset, self-motivation, strong alignment with company values, and interest in the cryptocurrency industry.

Required skills

• Proficiency in Java, with clean, readable, scalable code.
• Familiarity with MySQL, Kafka, Elasticsearch and Redis.
• Microservices architecture, service governance frameworks (Nacos, Sentinel, Gateway) and containerization (Docker, Kubernetes).
• Understanding of multithreading, network models and JVM memory architecture.

What we offer

• Competitive total compensation package.
• Lamp learning and development programs and education subsidy.
• Team building programs and company events.
• Wellness and meal allowances.
• Comprehensive healthcare schemes for employees and dependants.