Electronic Trading Developer

<p>Senior Trading Systems Developer</p><p>London | Hybrid</p><p>Electronic Trading / Low Latency Infrastructure / Crypto Markets</p><p><br><br>Be one of the first applicants, read the complete overview of the role below, then send your application for consideration.<br></p><p>A leading global digital assets and trading technology business is looking to hire a Senior Trading Systems Developer to help build and optimise high-performance trading infrastructure supporting market making, OTC, systematic trading, and electronic execution environments.</p><p>This role sits at the intersection of low-latency software engineering and infrastructure optimisation, focused on maximising throughput, minimising latency, and delivering deterministic performance across critical trading workflows.</p><p><br></p><p>The Role</p><ul><li>Design and develop low-latency trading systems supporting market data, execution, and order routing</li><li>Build high-performance distributed systems used across trading and liquidity platforms</li><li>Optimise application, operating system, network, and hardware-level performance</li><li>Work across real-time messaging, exchange connectivity, and execution infrastructure</li><li>Partner closely with traders, engineers, and infrastructure teams on performance-critical initiatives</li><li>Troubleshoot production trading issues and drive system reliability improvements</li><li>Contribute to architecture decisions across multiple trading businesses</li></ul><p><br></p><p>Requirements</p><ul><li>Strong core Java engineering background</li><li>Deep understanding of concurrency and multithreaded programming</li><li>Experience building low-latency trading or pricing systems</li><li>Strong JVM and garbage collection optimisation experience</li><li>Knowledge of high-performance messaging technologies such as Aeron or 29West</li><li>Strong networking fundamentals including TCP/UDP, multicast, routing, and switching</li><li>Experience with kernel bypass technologies such as DPDK, Solarflare/OpenOnload, or RDMA</li><li>Strong Linux systems knowledge including scheduling, memory management, and performance tuning</li><li>Experience within electronic trading, market making, HFT, systematic trading, FX, or crypto environments</li></ul><p><br></p><p>Nice to Have</p><ul><li>eFX or ultra-low latency pricing xwzovoh systems experience</li><li>FIX or SBE protocol knowledge</li><li>Distributed systems and fault-tolerant architecture experience</li><li>Docker, Kubernetes, or AWS exposure</li><li>Crypto or digital assets experience</li></ul><p><br></p><p>The Environment</p><ul><li>High-performance engineering culture</li><li>Greenfield and business-critical trading infrastructure projects</li><li>Direct interaction with trading and quantitative teams</li><li>Modern distributed systems environment</li><li>Strong ownership and autonomy</li><li>Fast-paced global trading business operating across digital assets and institutional markets</li></ul><p><br></p><p>Contact Ciara Clarke at Harrington Starr for a confidential discussion on this role.</p>