Senior Trading System Engineer (Java) - London

The Role: We are looking for a senior engineer to lead the design and development of algorithmic trading and smart order routing systems. You will work on low-latency, high-throughput platforms, collaborating closely with traders and product teams to enhance execution strategies and optimize system performance. Responsibilities: Build and maintain low-latency trading systems and smart order routing infrastructure Develop and implement algorithmic execution strategies Collaborate with traders and product teams to refine routing logic and features Monitor and optimize system performance under live trading conditions Support production trading environments and ensure system resilience Requirements: 8+ years of experience in algorithmic trading, electronic markets, or execution systems Strong Java development experience Knowledge of tick data analytics and real-time market data processing Experience with low-latency systems and market data feeds (multicast/unicast) Familiarity with trading system architecture (OMS/EMS, market gateways) Proficient in concurrency, networking, memory management, and Linux environments Proactive problem-solving mindset in fast-paced settings Nice-to-Have: Experience in crypto, DeFi, or alternative markets Exposure to regulatory or compliance-driven environments Familiarity with cloud infrastructure (AWS, GCP) or DevOps processes Important: Only candidates with valid work authorization in the UK will be considered.