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# Electronic Trading Developer

- **Company:** Harrington Starr
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Algorithmic Trading, Amazon Web Services, Linux, Digital Assets, Distributed Systems, Memory Management, Fault Tolerance, Java Virtual Machine (JVM), Enterprise Messaging Systems, Multicasting, Routing, Performance Tuning, Remote Direct Memory Access, Software Engineering, Transmission Control Protocol (TCP), Multithreading, Concurrency, Kubernetes, Low Latency, Docker
- **Published:** May 17, 2026
- **Apply:** https://find.jobs/jobs-near-me/electronic-trading-developer-london/2772554785-2/

## About the Role

* Strong core Java engineering background
 * Deep understanding of concurrency and multithreaded programming
 * Experience building low-latency trading or pricing systems
 * Strong JVM and garbage collection optimisation experience
 * Knowledge of high-performance messaging technologies such as Aeron or 29West
 * Strong networking fundamentals including TCP/UDP, multicast, routing, and switching
 * Experience with kernel bypass technologies such as DPDK, Solarflare/OpenOnload, or RDMA
 * Strong Linux systems knowledge including scheduling, memory management, and performance tuning
 * Experience within electronic trading, market making, HFT, systematic trading, FX, or crypto environments

Nice to Have

 * eFX or ultra-low latency pricing systems experience
 * FIX or SBE protocol knowledge
 * Distributed systems and fault-tolerant architecture experience
 * Docker, Kubernetes, or AWS exposure
 * Crypto or digital assets experience

The Environment

 * High-performance engineering culture
 * Greenfield and business-critical trading infrastructure projects
 * Direct interaction with trading and quantitative teams
 * Modern distributed systems environment
 * Strong ownership and autonomy
 * Fast-paced global trading business operating across digital assets and institutional markets

## Description

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.

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.

The Role

 * Design and develop low-latency trading systems supporting market data, execution, and order routing
 * Build high-performance distributed systems used across trading and liquidity platforms
 * Optimise application, operating system, network, and hardware-level performance
 * Work across real-time messaging, exchange connectivity, and execution infrastructure
 * Partner closely with traders, engineers, and infrastructure teams on performance-critical initiatives
 * Troubleshoot production trading issues and drive system reliability improvements
 * Contribute to architecture decisions across multiple trading businesses


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