Lead the architecture, development, deployment, and production support of high-performance C++ trading systems. Design resilient distributed systems, solve low-level challenges involving networking and concurrency, improve system architecture, and build automated quality safeguards. Investigate complex production issues, validate reliability through testing and replay, mentor engineers, and raise development standards across the team.
OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa
About OKXAt OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me, Do the Right Thing, and Get Things Done. These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more.
About the Opportunity
Perks & BenefitsThe Trading Systems team builds the mission-critical order, execution, position, and risk infrastructure that powers OKX’s global trading platform. We operate at the intersection of high performance, correctness, resilience, and scale—where every design decision matters.
We are seeking a Senior C++ Software Engineer to lead the design and evolution of our trading counter and core trading systems. This role is for an engineer who combines deep systems expertise with strong ownership: someone who investigates root causes, raises the quality bar across the engineering lifecycle, and turns individual learning into reusable team capability.
What You’ll Be Doing- Lead the architecture, design, and development of complex, high-performance C++ trading systems.
- Design reliable distributed systems, including consistency, fault tolerance, disaster recovery, and resilience strategies across system boundaries.
- Own work end to end—from technical proposals and design reviews through framework refactoring, implementation, deployment, production debugging, replay, and validation.
- Solve low-level systems challenges involving networking, protocols, concurrency, memory management, performance, and operating-system-level behaviour.
- Drive architectural improvements by identifying systemic issues and anti-patterns, such as overly coupled or “God Class” designs, and redesigning components with clear responsibilities.
- Build proactive quality safeguards, including automated testing, failure-injection scenarios, stability validation, monitoring, and replay-based verification.
- Design controlled experiments to validate architectural assumptions and diagnose complex production issues beyond surface-level symptoms.
- Work effectively across heterogeneous technology stacks, making sound engineering decisions at language, service, and platform boundaries.
- Independently explore and apply AI-assisted engineering practices across code understanding, solution design, cross-review, incident analysis, test validation, and knowledge capture.
- Raise engineering standards through thoughtful code reviews, technical discussions, and continuous improvements to development practices.
- Mentor engineers and share practical knowledge through documentation, playbooks, technical sessions, and reusable frameworks.
- Bachelor’s degree or above in Computer Science, Software Engineering, or a related STEM field; equivalent practical experience is also valued.
- 5+ years of hands-on software engineering experience, with substantial experience building production C++ systems.
- Strong experience designing and evolving complex systems, with a clear understanding of architectural trade-offs.
- Proven knowledge of concurrency, multithreading, network programming, and performance optimisation in Linux-based environments.
- Hands-on experience with distributed consistency, high availability, fault tolerance, disaster recovery, or other system-level reliability designs.
- Strong understanding of computer systems fundamentals, including networking protocols, operating systems, memory, storage, and runtime behaviour.
- A track record of taking ownership proactively, from defining the problem to delivering and validating a robust solution.
- Exceptional debugging and analytical ability, with a habit of investigating why issues occur—not simply applying short-term fixes.
- Experience using automated tests, simulation, replay, or comparative experiments to validate system behaviour and reliability.
- Clear communication skills and a collaborative mindset; able to turn experience into documentation, standards, and practices that help the whole team.
- Experience with exchange, brokerage, trading counter, order management, execution, market data, or other low-latency financial systems.
- Experience with event-driven architectures, messaging systems, or high-throughput distributed platforms.
- Familiarity with Rust, Java, Go, Python, or other languages used in multi-language production environments.
- Practical experience applying AI tools to improve software engineering workflows and code quality.
- Experience working with globally distributed, cross-functional engineering teams.
- Competitive total compensation package
- L&D programs and Education subsidy for employees' growth and development
- Various team building programs and company events
- Wellness and meal allowances
- Comprehensive healthcare schemes for employees and dependants
- More that we love to tell you along the process!
Notice:
All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website.
Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX's Candidate Privacy Notice.
OKX Singapore, Singapore, SGP Office
Singapore, Singapore
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