Harrington Starr - United Kingdom, IT - Software Development

Join a leading institutional digital asset firm as a Java Quantitative Developer on their London crypto trading desk. You will design and ship algorithmic trading strategies, build pricing and hedging frameworks, and optimize low-latency systems. Strong Java skills and front-office experience wit...

Join a leading institutional digital asset firm as an Algo Developer in London. You will design low-latency EMS and Smart Order Routers from the ground up, leveraging 8+ years of Java expertise in front-office environments. Build execution algorithms for FX, equities, or crypto markets. Enjoy top...

Senior Java Electronic Trading Engineer needed to build next-gen low-latency crypto trading systems in London. Requires 10+ years’ front office Java experience, expertise in concurrency, and low latency/zero GC environments. Join a leading digital asset firm offering top benefits, equity, and hyb...

Senior Product Consultant sought for a high-growth fintech building next-gen payments infrastructure. This high-impact, commercial role focuses on identifying new market opportunities and driving product expansion. You will build data-driven business cases and influence board-level decisions. Ide...

Customer Success - Forward Deployed Engineer (FDE) role in London (Hybrid, Canary Wharf) offering £80k–£100k + equity. Join a high-growth AI firm as a key commercial technical hire, bridging solutions engineering and customer success. You will implement advanced AI for enterprise banking clients,...

Senior Quant Analyst sought by a leading competitive gaming firm in Milton Keynes, UK. You will develop and maintain advanced sports betting pricing models and algorithms for esports, leveraging Python, R, or Java. Requires 5+ years of quant experience in sports betting and expertise in machine l...

Senior C# Engineer sought by a London-based proprietary trading firm to drive greenfield projects using cutting-edge .NET technology. You will architect high-performance trading applications, collaborating with top engineers in a non-corporate culture. Requires deep C# expertise, SQL Server knowl...

Lead C++ Engineer sought for a high-impact London trading role. This position blends low-latency engineering with strategic leadership, requiring strong C++ and Python skills. You will modernise legacy systems, drive technical vision, and lead a high-performing team. Benefit from a competitive bo...

Lead the transformation of complex data architecture into a modern, scalable platform as a Databricks Lead Engineer. This hands-on role requires expertise in Databricks, Delta Lake, Unity Catalog, and Apache Iceberg on AWS. Drive a large-scale re-engineering initiative in a hybrid London setting ...