Senior Rust Engineer – High Frequency Trading

🕒 August 11

🇧🇪 Belgium – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 13%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Keyrock

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2017

💼 Consulting

📦 Logistics

💸 Finance

💰 $72M Series B on 2022-11

Consulting • Logistics • Finance

Keyrock is a leading financial services company specializing in digital asset markets and liquidity solutions. Established in 2017, Keyrock provides market making, OTC trading, options desk services, treasury solutions, and liquidity pool management, tailored for a tokenized world. The company operates across centralized and decentralized platforms with a focus on enhancing and optimizing liquidity through advanced algorithms, ensuring competitive pricing and effective asset management. Keyrock partners with institutions and foundations, supporting them in a rapidly evolving digital economy. With a global reach, the company is based in the EU, UK, and Switzerland and employs over 170 experts worldwide, dedicated to driving success in the digital asset industry.

📋 Description

• Design, develop, and optimise low-latency, mission-critical trading systems • Own key trading stack components end-to-end, from architecture through production operation • Collaborate with quants, traders, and engineers to improve trading performance and resilience • Maintain and evolve trading infrastructure for performance, stability, observability, and operational excellence • Troubleshoot complex production issues involving exchange connectivity, execution, and market data • Drive engineering standards through technical leadership, code reviews, and mentoring • Leverage AI-assisted workflows, automate operational tasks, and evolve agentic tooling • Contribute to functional, component, and production-readiness testing for critical trading components

🎯 Requirements

• Production-grade Rust experience building high-performance, concurrent systems • Proficiency with Tokio is a strong advantage • Hands-on experience in systematic trading, such as HFT, market making, or quantitative trading • Solid understanding of execution, market data, and operational risk • Strong AWS and Linux expertise • Knowledge of cloud infrastructure trade-offs for latency-sensitive workloads • Shell scripting, debugging, and production troubleshooting skills • Proficiency in Python or other scripting languages • Deep familiarity with FIX, REST, WebSocket, exchange connectivity, and market data feeds • Understanding of low-latency networking, including TCP, UDP, packet and latency path analysis, dedicated network infrastructure, and DPDK • Familiarity with LLMs, MCP APIs, AI-first IDEs, harness engineering, and workflow automation • Ability to make architectural decisions, explain trade-offs, and guide implementation across complex systems • Senior-level ownership, reliability, initiative, operational diligence, technical leadership, curiosity, and communication skills • Experience with Rust in a trading environment • Ability to pass required background checks as a prerequisite to joining Keyrock • Candidates must be located in European time zones

🏖️ Benefits

• A competitive salary package • Flexible working hours • Opportunity to work remotely • Autonomy in time management • Entrepreneurial experience within a team pursuing excellence • Positive and collaborative work environment • Merit- and performance-based rewards and promotion