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Senior Rust Engineer - High Frequency Trading (HFT)
Keyrock·Senior·Remote · Europe
Posted Aug 16, 2026·keyrock.com
Company: Keyrock
Role: Senior Rust Engineer - High Frequency Trading (HFT)
Department: Engineering & Technology (Capital Markets Division)
Employment Type: Full-time
Location Type: Remote (European Time Zones)
Locations: Brussels; Amsterdam; Antwerp; Athens; Berlin; Budapest; Copenhagen; Dublin; Eindhoven; Frankfurt; Geneva; Istanbul; Krakow; Lisbon; London; Luxembourg; Madrid; Manama; Milan; Paris; Porto; Prague; Rome; Rotterdam; Sofia; Tallinn; Vienna; Warsaw; Zagreb; Zug; Zurich
Company Overview
- Digital asset market maker founded in 2017 with over 200 team members across 42 nationalities.
- Active across 80+ exchanges offering market making, options trading, high-frequency trading (HFT), OTC, and DeFi trading desks.
- Global remote workforce with physical hubs in London, Brussels, Singapore, and Paris.
Role Overview
- Senior individual contributor role within the core Capital Markets division responsible for high-impact, low-latency trading infrastructure.
- Focuses on architectural ownership, performance optimization, exchange connectivity, and system resilience for mission-critical trading components.
Key Responsibilities
- Design, develop, and optimize low-latency, mission-critical trading systems.
- Own key components of the trading stack end-to-end (from architecture through production operations).
- Collaborate with quants, traders, and engineers to enhance trading performance and resilience.
- Maintain trading infrastructure with emphasis on performance, stability, observability, and operational excellence.
- Troubleshoot complex production issues involving exchange connectivity, execution systems, and market data feeds.
- Set technical direction, enforce engineering standards, conduct code reviews, and mentor engineers.
- Implement agentic engineering principles: utilize AI-assisted workflows, automate operational workflows, and expand agentic tooling.
- Execute functional, component, and production-readiness testing for critical trading components.
Requirements
Technical Qualifications:
- Production-grade Rust experience building high-performance, concurrent systems (proficiency with Tokio is an advantage).
- Hands-on experience in systematic trading environments (HFT, Market Making, Quantitative Trading) with practical knowledge of execution, market data, and operational risk.
- Strong AWS and Linux engineering expertise, including latency-sensitive cloud configurations, shell scripting, debugging, and production troubleshooting.
- Proficiency in Python (or related scripting languages) for strategy development, tooling, and workflow automation.
- Deep familiarity with trading protocols (FIX, REST, WebSocket), exchange connectivity, and real-time market data handling.
- Understanding of low-latency networking concepts: TCP/UDP, latency path analysis, dedicated network infrastructure, and kernel bypass techniques (e.g., DPDK).
- Familiarity with agentic engineering tools and concepts: LLMs, MCP APIs, AI-first IDEs (e.g., Cursor, Claude Code), test harness engineering, and workflow automation.
Competencies & Seniority:
- End-to-end ownership and proactive operational diligence.
- Independent technical leadership and architectural decision-making.
- Strong written and verbal communication in a distributed, remote team setting.
Compensation & Benefits
- Competitive salary package.
- Remote work arrangement with flexible working hours.
- Collaborative international team culture.
Screening & Policies
- Background Check: All offers are contingent upon the successful completion of standard background checks.
- Equal Opportunity: Merit- and performance-based hiring and promotion across all candidate backgrounds.
