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Staff / Senior Staff Software Engineer, Matching Engine

OKX

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  1. Why do you want to join OKX?
  2. What is your experience with System design? Tell me one thing you learned the hard way.
  3. How would you design an API for a feature you have worked on?
  4. What do you do when a production issue happens on your code?
  5. Walk me through a system you built. How was it designed, and what would you change now?

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

Who We Are

At 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

The Middle Exchange Platform team develops the core modules of the exchange, including the matching engine, real-time market data streaming, and market data analysis. It is the backbone of our industry-leading trading product, used by millions of users.
We are seeking highly motivated Java/C++ Engineers to join our cutting-edge team. In this role, you will design, develop, and optimize our systems, which are critical components of our technology stack. We leverage AI technologies to enhance efficiency and performance, offering a unique opportunity for individuals who are eager to learn and grow in a fast-paced, innovative environment. Candidates with prior experience in large internet companies will excel in this role, as they will bring valuable insights into building and maintaining high-performance, distributed systems. If you are passionate about solving complex problems, improving system performance, and exploring new technologies, this is the role for you!
 

What You’ll Be Doing 

  • System Design and Development:
    • Build and maintain high-performance systems with a focus on reliability, scalability, and low latency.
  • Troubleshooting and Debugging:
    • Diagnose and resolve complex system issues, including debugging at the assembly language level when necessary.
    • Use advanced troubleshooting tools and methodologies to ensure system stability and performance.
  • Collaborative Innovation:
    • Work closely with cross-functional teams to design and implement new features and improve existing systems.
    • Actively contribute to brainstorming and exploring new technologies, including AI-driven innovations.
  • Maintain High Standards:
    • Write clean, efficient, and maintainable code.
    • Conduct comprehensive code reviews, performance testing, and quality assurance to ensure robust and reliable systems.
  • AI-Driven Optimization:
    • Leverage AI tools and techniques to analyze, optimize, and improve system performance and operational efficiency.
    • Experiment with and implement AI-driven solutions to enhance troubleshooting and automation.

 

What We Look For In You

  • Strong Programming Skills:
    • Expertise in Java or C++, with a solid understanding of object-oriented programming, concurrency, and system-level programming.
  • Experience in High-Performance Systems:
    • Proven ability to develop and optimize low-latency, high-throughput systems.
    • Expertise in performance tuning, memory management, and concurrency optimization.
  • Exceptional Troubleshooting Skills:
    • Proficient in diagnosing and resolving complex system issues using tools such as profilers, debuggers, and log analyzers.
    • Ability to perform low-level debugging, including assembly language debugging when needed.
  • Solid Fundamentals:
    • Solid STEM (Science/Technology/Engineering/Mathematics) education background.
    • Strong knowledge of data structures, algorithms, system design, and network protocols.

 

Nice to Haves

  • Experience in large internet companies, with a background in developing and maintaining high-availability, high-performance systems, and hands-on experience in supporting large-scale peak traffic scenarios.
  • Familiarity with low-latency systems, real-time applications, or high-frequency trading platforms.
  • Knowledge of message-oriented middleware, or asynchronous programming paradigms.
  • Familiarity with DevOps practices and tools, such as CI/CD pipelines, containerization (Docker/Kubernetes), or cloud platforms.
  • Proficiency in speaking, reading and writing in both English and Mandarin to collaborate effectively with global and cross-functional team members.
  • Experience with AI technologies to improve efficiency.
 

Perks & Benefits

  • 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!
#LI-ML1 #LI-ONSITE
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.

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Listed on greenhouse · posted 2025-04-15. ApplySarthi collects openings and links to application pages; the role is advertised by OKX, not by us.