Rust Engineer - Trading Systems

As a Senior Rust Engineer in Keyrock's Capital Markets division, you will take ownership of high-impact trading infrastructure, set technical direction in your domain, and drive continuous improvement in system performance, reliability, and operability. You join a highly-profitable team where you make a senior individual-contributor impact while collaborating with a global, fully-remote group focused on designing, building, and operating mission-critical trading systems.

What you'll do

• Design, develop, and optimise low-latency, mission-critical trading systems
• Own key trading stack components end-to-end from architecture through to production operation
• Collaborate closely with quants, traders, and engineers to deliver solutions that improve trading performance and resilience
• Maintain and evolve trading infrastructure with a focus on performance, stability, observability, and operational excellence
• Troubleshoot complex production issues across exchange connectivity, execution, and market data handling
• Drive engineering standards through technical leadership, code reviews, and mentoring
• Leverage AI-assisted workflows, drive automation of operational tasks, and help evolve the team's agentic tooling
• Contribute to functional, component, and production-readiness testing for critical trading components

What you bring

• Production-grade Rust experience building high-performance, concurrent systems, with proficiency in Tokio as a strong advantage
• Hands-on experience in a systematic trading environment such as HFT, Market Making, or Quantitative Trading, with a solid understanding of execution, market data, and operational risk
• Strong AWS and Linux expertise, including cloud infrastructure trade-offs for latency-sensitive workloads, shell scripting, debugging, and production troubleshooting
• Proficiency in Python or other scripting languages for strategy development, automation, and operational tooling
• Deep familiarity with trading system protocols such as FIX, REST, and WebSocket, exchange connectivity, and market data feeds
• Solid grasp of low-latency networking including TCP/UDP, packet and latency path analysis, dedicated network infrastructure, and kernel bypass techniques such as DPDK
• Familiarity with agentic engineering tools and concepts including LLMs, MCP APIs, AI-First IDEs such as Cursor and Claude Code, harness engineering, and workflow automation
• Ability to make sound architectural decisions, articulate trade-offs clearly, and guide implementation across complex systems
• Ownership and reliability: take full responsibility for your work, deliver high-quality service, meet deadlines, and proactively address potential issues
• Initiative and problem-solving mindset: approach challenges with an entrepreneurial mindset and make sound, independent judgments
• Operational diligence: respond strategically to technical and operational challenges while instilling confidence in robust processes
• Technical leadership: influence system design, raise engineering standards, and mentor other engineers
• Curiosity and growth mindset: continuously seek to improve your technical skills and stay ahead of industry trends
• Excellent communication skills and a collaborative approach within a fully remote global team

What we offer

• A competitive salary package
• Flexible working hours and the opportunity to work remotely
• Autonomy and the freedom to create your own entrepreneurial experience as part of a team in search of excellence

About Keyrock

Keyrock is a leading market maker and digital asset trading firm founded in 2017. Operating across more than 80 exchanges with a team of over 200 people from 42 nationalities, Keyrock provides market making, options trading, high-frequency trading, OTC, and DeFi trading services. The company is a pioneer in adopting Rust for algorithmic trading and supports Web3 growth through its Accelerator Program.