Senior Staff Software Engineer, Trading Services

The role

You will own the long-term technical architecture and strategy for core trading platform components. You will design and implement low-latency, high-throughput solutions in Java and lead technical direction across multiple teams.

What you will do

• Define and own the long-term technical architecture and strategy for core trading platform components
• Spearhead the design and implementation of challenging, cross-cutting technical projects
• Identify and eliminate critical performance bottlenecks using Java
• Serve as a technical authority and subject matter expert in core trading systems and Java performance
• Provide technical guidance, code reviews, and mentorship to senior and mid-level engineers
• Research emerging technologies to enhance the platform
• Design resilient, fault-tolerant systems and drive best practices in monitoring and incident response
• Collaborate with stakeholders to translate business needs into technical solutions
• Evangelize and enforce high standards in software engineering design, coding, testing, and deployment

Required qualifications

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related technical field (or a strong STEM education background)
• Expert-level proficiency in modern C++, with deep knowledge of memory management, lock-free concurrency, template metaprogramming, and compiler-level performance tuning
• 10+ years of extensive professional experience designing, building, and operating high-performance, ultra-low latency distributed systems in Java
• Expert-level proficiency in Java for performance-critical applications, including profound knowledge of JVM internals, garbage collection tuning, and advanced concurrency patterns
• Proven experience as a technical leader or architect for major system components
• Exceptional expertise in message-oriented middleware
• Deep understanding of network protocols, OS-level optimizations (Linux), hardware considerations, database technologies (SQL and NoSQL)
• Strong track record of driving DevOps practices, CI/CD, and monitoring

Nice to have

• PhD in Computer Science, Electrical Engineering, Physics, Mathematics, or a related quantitative discipline
• Direct experience leading the architecture or core development of matching engines, market data processing systems, or complex algorithmic trading strategies in an HFT environment
• In-depth knowledge of FIX Protocol and other relevant financial industry messaging standards
• Experience with hardware-level optimizations, FPGA/ASIC acceleration, or specialized networking components
• Active contributions to significant open-source projects, academic publications, or industry conferences in low-latency computing or FinTech

Benefits

• Competitive total compensation package
• L&D programs and Education subsidy
• Various team building programs and company events
• Wellness and meal allowances
• Comprehensive healthcare schemes for employees and dependants

Before you apply

• Applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa, will be prioritised

About the company

OKX is a leading crypto exchange and the developer of OKX Wallet. It is part of OKG, a group that brings the value of Blockchain to users around the world.