Senior Staff Software Engineer, Trading Service
at OKX
Posted 5 hours ago
No clicks
- Compensation
- Not specified SGD
- City
- Singapore
- Country
- Singapore
Currency: $ (SGD)
Join OKX's Trading Service as a Senior Staff Software Engineer to shape the architecture of a low-latency, high-throughput trading platform used by millions. You will own the long-term technical direction for core trading components, drive cross-team projects, and tackle performance bottlenecks in Java. This role is an impactful individual contributor position requiring deep financial markets passion and leadership in engineering practices. You will mentor engineers and influence the technical roadmap and platform sustainability.
About OKX
About the Opportunity
What You’ll Be Doing
- Define and own the long-term technical architecture and strategy for core trading platform components, ensuring alignment with business goals and operational excellence
- Spearhead the design and implementation of highly challenging, ambiguous, and cross-cutting technical projects that span multiple engineering teams
- Identify and eliminate critical performance bottlenecks across the entire trading architecture, implementing advanced low-latency and high-throughput solutions in Java
- Serve as a definitive 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
- Stay abreast of industry trends, research emerging technologies (e.g., new concurrency models, hardware acceleration), and propose innovative solutions to enhance the platform's competitive edge
- Design highly resilient, fault-tolerant systems and drive best practices in monitoring, alerting, incident response, and post-mortem analysis for mission-critical trading infrastructure
- Collaborate extensively with Stakeholders to translate strategic business needs into highly efficient and scalable technical solutions; influence product roadmaps from a technical feasibility and architectural sustainability perspective
- Evangelize and enforce high standards in software engineering design, coding, testing, and deployment practices across multiple teams
What We Look For In You
- Bachelor's or Master's degree in Computer Science, Software Engineering, or a related technical field (or a strong STEM education background)
- 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, demonstrating the ability to drive technical direction, with exceptional expertise in message-oriented middleware
- Deep understanding of network protocols, OS-level optimizations (Linux), hardware considerations, database technologies (SQL and NoSQL), and strong track record of driving DevOps practices, CI/CD, and monitoring
Nice to Haves
- 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
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!

