Senior Rust Engineer - Low-Latency Trading (Remote)

Keyrock; Antwerpen; On-site; EUR 120,000 - 180,000; Full time

Benefits offered by this job

Flexible working hours

Remote work

Entrepreneurial team culture

Job summary

Keyrock is seeking a Senior Rust Engineer with deep trading systems experience and strong AWS knowledge to join our Capital Markets division. You will own high‑impact trading infrastructure, design and operate mission‑critical systems, and drive performance, reliability, and automation in a fully remote, Europe‑time‑zone team.

You will collaborate with quants, traders, and engineers to deliver resilient trading solutions and contribute to production readiness while embracing AI-assisted

Qualifications

• Production-grade Rust experience building high-performance, concurrent systems.
• Experience in systematic trading environments (HFT, Market Making) with solid understanding of execution, market data, and risk.
• Strong AWS and Linux expertise, incl. 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 tooling.
• Deep familiarity with trading system protocols (FIX, REST, WebSocket) and exchange connectivity.
• Knowledge of low-latency networking (TCP/UDP, kernel bypass techniques).
• Familiarity with agentic engineering tools: LLMs, MCP APIs, AI-First IDEs (Cursor, Claude Code).
• Ability to make sound architectural decisions and guide implementation across complex systems.

Responsibilities

• Design, develop, and optimise low-latency, mission-critical trading systems.
• Own key trading stack components end-to-end from architecture to production.
• Collaborate with quants, traders, and engineers to improve trading performance and resilience.
• Maintain and evolve trading infrastructure focusing on performance, stability and observability.
• Troubleshoot complex production issues across connectivity, execution and data handling.
• Drive engineering standards through leadership, code reviews, and mentoring.
• Leverage AI-assisted workflows and automation in operations and tooling.
• Contribute to testing and production-readiness of critical components.

Skills

Rust programming

High-performance systems

Trading systems

AWS

Linux

Python

Networking (low-latency)

Agentic engineering tools

Architectural decisions

Job description

Keyrock is seeking a Senior Rust Engineer with deep trading systems experience and strong AWS knowledge to join our Capital Markets division. You will own high‑impact trading infrastructure, design and operate mission‑critical systems, and drive performance, reliability, and automation in a fully remote, Europe‑time‑zone team.

You will collaborate with quants, traders, and engineers to deliver resilient trading solutions and contribute to production readiness while embracing AI-assisted