226 to 229 of 229 Java Jobs in the City of London

Senior Java Developer – Exchange Trading Systems 📍 London (3 days onsite week) 💰Up to £150k DOE Join a global financial services firm in digital assets, bridging traditional finance & crypto. Their trading solutions deliver 24/7 liquidity to institutional clients. The team are designing & optimising ultra-low latency connectivity. Work with traders, quants & engineers to re-engineer a high-frequency trading … low latency exchange connectivity 🔌 Architect scalable trading systems for HFT 🏗️ Deep JVM & network tuning for microsecond performance ⏱️ Automate trading workflows & boost reliability 🤖 🎯 What We’re Looking For: 10+ yrs Java in low-latency/high-performance systems FIX & exchange APIs, JVM tuning, concurrency & networking expertise 🔥 Direct HFT/market-making experience 💰 Perks & Benefits: Up to £150k base 🔥 Discretionary bonus 💸 London More ❯

Senior Java Developer – Exchange Trading Systems 📍 London (3 days onsite week) 💰Up to £150k DOE Join a global financial services firm in digital assets, bridging traditional finance & crypto. Their trading solutions deliver 24/7 liquidity to institutional clients. The team are designing & optimising ultra-low latency connectivity. Work with traders, quants & engineers to re-engineer a high-frequency trading … low latency exchange connectivity 🔌 Architect scalable trading systems for HFT 🏗️ Deep JVM & network tuning for microsecond performance ⏱️ Automate trading workflows & boost reliability 🤖 🎯 What We’re Looking For: 10+ yrs Java in low-latency/high-performance systems FIX & exchange APIs, JVM tuning, concurrency & networking expertise 🔥 Direct HFT/market-making experience 💰 Perks & Benefits: Up to £150k base 🔥 Discretionary bonus 💸 London More ❯

and maintain robust execution algorithms for live trading. Take strategies from research → backtest → live deployment . Collaborate with traders on strategy deployment and performance . Write production-level code: Java (primary) , C C/C# optional; Python nice to have but not a requirement. Contribute in a flat, high-calibre team with direct senior leadership exposure. Who We’re Looking … For 2–5+ years in quant development, systematic trading, or algo development. Strong experience with alpha signal generation, systematic strategies, and execution systems . Hands-on programming skills: Java (primary), C C/C# (bonus) . Python optional for research/backtesting. Ability to bridge quant research and production implementation . Comfortable in a highly collaborative, flat-structured environment . More ❯

and maintain robust execution algorithms for live trading. Take strategies from research → backtest → live deployment . Collaborate with traders on strategy deployment and performance . Write production-level code: Java (primary) , C C/C# optional; Python nice to have but not a requirement. Contribute in a flat, high-calibre team with direct senior leadership exposure. Who We’re Looking … For 2–5+ years in quant development, systematic trading, or algo development. Strong experience with alpha signal generation, systematic strategies, and execution systems . Hands-on programming skills: Java (primary), C C/C# (bonus) . Python optional for research/backtesting. Ability to bridge quant research and production implementation . Comfortable in a highly collaborative, flat-structured environment . More ❯