Rust Engineer - Trading Systems
Job description
Senior Rust engineer role in Keyrock's Capital Markets division, owning and optimising low-latency, mission-critical trading systems within a fully remote global team.
At a glance
- Work mode
- Remote · European time zones
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
- Embrace agentic engineering principles: 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 we're looking for
- Production-grade Rust experience building high-performance, concurrent systems
- Hands-on experience in a systematic trading environment (HFT, Market Making, Quantitative Trading, or similar), with 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 (FIX, REST, WebSocket), exchange connectivity, and market data feeds
- Solid grasp of low-latency networking: TCP/UDP, packet and latency path analysis, dedicated network infrastructure, and kernel bypass techniques (DPDK)
- Familiarity with agentic engineering tools and concepts: LLMs, MCP APIs, AI-First IDEs (e.g. Cursor, Claude Code), harness engineering, and workflow automation
- Ability to make sound architectural decisions, articulate trade-offs clearly, and guide implementation across complex systems
- Ownership & Reliability – take full responsibility for your work, deliver high-quality service, meet deadlines, follow through on commitments, anticipate and proactively address potential issues
- Initiative & Problem-Solving – problem-solving entrepreneurial mindset, sound independent judgments, drive solutions rather than waiting for instructions
- Operational Diligence – respond strategically to technical and operational challenges, ensuring robust and reliable trading infrastructure
- Technical Leadership – influence system design, raise engineering standards, mentor other engineers, help the team make pragmatic, high-quality technical decisions
- Curiosity & Growth Mindset – continuously improve technical skills and knowledge, stay ahead of industry trends
- Agentic Engineering – embrace AI-assisted workflows and autonomous agents
- Excellent Communication Skills with a team player mindset, collaborating within a fully remote global team
Nice to have
- Proficiency with Tokio
Your team
Capital Markets
A highly-profitable, fast-paced division within Keyrock; engineering team in Capital Markets
Benefits
- A competitive salary package
- Autonomy in your time management thanks to flexible working hours and the opportunity to work remotely
- The freedom to create your own entrepreneurial experience by being part of a team of people in search of excellence
Apply
About Keyrock
A leading change-maker in the digital asset space
Since our beginnings in 2017, we've grown to be a leading change-maker in the digital asset space, renowned for our partnerships and innovation. Today, we rock with over 200 team members around the world. Our diverse team hails from 42 nationalities, with backgrounds ranging from DeFi natives to PhDs. Predominantly remote, we have hubs in London, Brussels, Singapore and Paris, and host regular online and offline hangouts to keep the crew tight. We are trading on more than 80 exchanges, and working with a wide array of asset issuers. As a well-established market maker, our distinctive expertise led us to expand rapidly. Today, our services span market making, options trading, high-frequency t
Mission
We're not just envisioning the future of digital assets. We're actively building it.
Key facts
- over 200 team members
- 2017
- Digital assets / crypto market making
- Trading on more than 80 exchanges
- Team hails from 42 nationalities
- Hubs in London, Brussels, Singapore and Paris
- Services span market making, options trading, high-frequency trading, OTC, and DeFi trading desks
- Pioneers in adopting the Rust Development language for algorithmic trading
- Supports growth of Web3 startups through an Accelerator Program
- Performs background checks on all potential employees
What they value
- Ownership & Reliability
- Initiative & Problem-Solving
- Operational Diligence
- Technical Leadership
- Curiosity & Growth Mindset
- Agentic Engineering
- Excellent Communication Skills