--- title: 'Staff / Senior Staff Software Engineer, Matching Engine at OKX' canonical: 'https://feeny.ai/job/staff-senior-staff-software-engineer-matching-engine-okx-singapore-6qyc9vp46xya' type: 'job' last_seen: '2026-09-11' --- # Staff / Senior Staff Software Engineer, Matching Engine at OKX - **Company:** OKX - **Location:** Singapore - **Posted:** 2025-04-15 - **Last confirmed live:** 2026-09-11 - **Apply:** https://job-boards.greenhouse.io/okx/jobs/6543530003 ## Job description 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](https://www.okx.com/en-eu/help/okx-candidate-privacy-notice). ## About OKX ## Company Overview - **One-liner**: OKX is a world-leading digital asset exchange and Web3 platform offering spot and derivatives trading, a self-custody wallet, and decentralized application access to over 100 million users globally. - **Entity Type**: Private (venture-backed; last round $200M in March 2026) - **Headquarters**: Seychelles (legal entity: Aux Cayes FinTech Co. Ltd.) - **Founded**: 2017 - **Founders**: Star Xu ## Core Business - **Primary industry**: Cryptocurrency exchange, digital asset trading, Web3 infrastructure. - **Target customers**: B2C (retail traders, crypto enthusiasts) and B2B (institutions, high-frequency traders, liquidity providers). Serves both individuals and large institutions. - **Mission**: To reshape the world with crypto, contributing to every individual’s freedom, and to build a fairer, more transparent, and accessible society through blockchain technology. ## Products & Services - **Spot Trading**: Buy and sell over 300 cryptocurrencies with low fees. - **Derivatives**: Futures, options, and perpetual swaps for advanced trading strategies. - **Structured Products**: Yield-bearing products for passive income. - **OKX Wallet**: Self-custody Web3 wallet supporting dApps, DeFi, NFTs, and cross-chain swaps. - **OKX Pay**: Fiat on-ramp and payment infrastructure for seamless deposits. - **Institutional Services**: Ultra-low latency API connectivity, prime brokerage, and tailored liquidity solutions. - **Proof of Reserves**: Monthly public attestation of asset backing (1:1). ## Market Standing - **Valuation**: Not publicly disclosed. - **Key Metrics**: Over 100 million customers worldwide; 2,886 employees (as of mid-2026, +14.3% YoY); $200M total funding (venture round, March 2026). - **Notable Investors/Partners**: One undisclosed investor in the latest round. Partnerships include McLaren F1, Manchester City FC, Tribeca Film Festival. - **Growth Signals**: Expanded into Australia, Brazil, Netherlands, Singapore, and Turkey in the last year; plans to enter US, Belgium, and UAE. Active job postings: 246. Employee headcount grew 14.3% YoY. ## Competitive Advantages - **Liquidity & Low Fees**: One of the top crypto exchanges by trading volume with competitive fee structures. - **Transparency**: Monthly proof-of-reserves reports publicly verifiable. - **Security**: Multi-layer security, GSLB, distributed server clusters, and dedicated security engineering teams. - **Global Reach**: Available in over 180 countries/regions with localized support. - **Web3 Integration**: Deeply connected wallet bridging centralized and decentralized finance. ## Strategic Focus - **AI-Native Product & Engineering**: Investing heavily in AI agents, chatbots, and infrastructure for automated trading and user experience. - **Institutional Growth**: Expanding VIP relationship management, prime brokerage, and institutional-grade tools. - **Global Regulatory Compliance**: Obtaining licenses in new jurisdictions (e.g., Singapore, Turkey, Brazil) while maintaining a robust compliance center. - **Web3 Ecosystem**: Growing the OKX Wallet and dApp connectivity to drive DeFi adoption. ## Why Work Here - **Culture**: Values-driven environment with core principles: "WE before Me", "Do the right thing", and "Get things done". Emphasis on ownership, transparency, and innovation. - **Work Policy**: Hybrid/office roles across multiple global hubs (Singapore, Hong Kong, San Jose, Dubai, etc.). Remote flexibility varies by role. - **Perks**: Competitive benefits including learning budgets, team events, and the "Supernova Program" for early-career talent. Engineering teams work on cutting-edge blockchain and AI problems. - **Engineering Culture**: Strong focus on AI-native development, Rust/Java/Go, mobile infrastructure, and security. High percentage of technical roles (721 engineers, 10% of workforce). - **Growth Opportunity**: Rapidly scaling company with global expansion, offering cross-functional mobility and exposure to senior leadership. ## Sources 1. [okx.com - About & Careers](https://www.okx.com/en-us/join-us) 2. [LinkedIn - OKX Company Page](https://www.linkedin.com/company/okxofficial/jobs) 3. [Greenhouse - OKX Job Board](https://job-boards.greenhouse.io/okx) 4. [okx.com - Main Site](https://www.okx.com/) ## Other roles at OKX - [Design System Designer, OKDS](https://feeny.ai/job/design-system-designer-okds-okx-hong-kong-209g89j53nz5) — Hong Kong, Hong Kong SAR - [Senior Product Designer, Core](https://feeny.ai/job/senior-product-designer-core-okx-hong-kong-be0e5n3n05rj) — Hong Kong, Hong Kong SAR - [Senior Product Designer, Global Exchange](https://feeny.ai/job/senior-product-designer-global-exchange-okx-hong-kong-z9y1x0052esq) — Hong Kong, Hong Kong SAR - [Tax Reporting Senior Manager](https://feeny.ai/job/tax-reporting-senior-manager-okx-hong-kong-5mm2tx5eprhc) — Hong Kong, Hong Kong SAR - [Quantitative Trader (D1 Liquidity)](https://feeny.ai/job/quantitative-trader-d1-liquidity-okx-hong-kong-7y0vrzjp38rj) — Hong Kong, Hong Kong SAR - [Senior Product Compliance Manager](https://feeny.ai/job/senior-product-compliance-manager-okx-hong-kong-a01vgp0dzq0f) — Hong Kong, Hong Kong SAR / Singapore, Singapore - [Senior Compliance Manager - Global FCC Investigations](https://feeny.ai/job/senior-compliance-manager-global-fcc-investigations-okx-emea-pf2cq2wxtdfw) — EMEA - [IT Support Engineer](https://feeny.ai/job/it-support-engineer-okx-kuala-lumpur-2h7xhytep5zw) — Kuala Lumpur, Malaysia - [Tech Governance - Security Compliance & Governance Engineer (Mandarin Bilingual Required)](https://feeny.ai/job/tech-governance-security-compliance-governance-engineer-mandarin-bilingual-rsqz1m78fpdt) — San Jose California, United States - [Principal / Senior Product Manager, Asset (Tax Reporting, Client Statements & Portfolio)](https://feeny.ai/job/principal-senior-product-manager-asset-tax-reporting-client-statements-4x4sdqk3tdwe) — Hong Kong, Hong Kong SAR