Senior/Staff Software Engineer (Crypto Options Market Making)

Location: Hong Kong, Hong Kong SAR

Company

OKX is a cryptocurrency exchange and developer of OKX Wallet, OKLink, and decentralized crypto applications.

What you will do

• Design, develop, and operate automated options market-making systems covering market data, pricing, quoting, order execution, hedging, positions, and risk controls.
• Translate requirements from trading, quantitative, and product teams into reliable, testable production systems.
• Improve the performance, stability, maintainability, testing, monitoring, alerting, and recovery of critical trading paths.
• Apply AI coding tools across requirements analysis, technical design, development, testing, and code review while validating the quality and safety of generated code.
• Own technical design and code review for core modules, and lead cross-module projects and architectural evolution at Senior or Staff level.
• Participate in incident resolution and post-incident reviews.

Requirements

• Bachelor's degree or higher in Computer Science, Software Engineering, Mathematics, Physics, or a related discipline.
• At least two years of experience in backend engineering, real-time systems, infrastructure, or trading systems.
• Proficiency in at least one of Java 17+, Rust, or C++, with the ability to work in a multilingual codebase.
• Strong knowledge of operating systems, network communication, multithreading, concurrent programming, distributed systems, Linux, and performance diagnostics.
• Experience with asynchronous processing, network I/O, high-performance data structures, real-time messaging, and low-latency system optimization.
• Written English is required for reading technical materials and communication.

Nice to have

• Experience with options market making, quantitative trading, exchange connectivity, market data, order management, quoting, hedging, or risk systems.
• Knowledge of options pricing, volatility, Greeks, PnL, inventory risk, dynamic hedging, order books, and market microstructure.
• Experience with Aeron, shared memory, lock-free queues, binary protocols, Python, market data replay, backtesting, or trade reconciliation.
• Practical production experience with AI coding tools such as Claude Code or Codex.

Culture & Benefits

• Learning and development programs and an education subsidy.
• Team-building programs and company events.
• Wellness and meal allowances.
• Comprehensive healthcare coverage for employees and dependants.
• Competitive total compensation package.