Harrington Starr - United Kingdom, IT - Software Development, Hybrid work

Head of Software Engineering (NestJS) sought by a global financial payments firm in London. Lead a team of 20 engineers, owning the architecture and delivery of a core payments platform. Requires senior leadership experience, hands-on NestJS, TypeScript, and NodeJS skills, plus deep fintech domai...

Senior Software Asset Management Engineer needed to rebuild SAM capability for a tier-one financial services firm in London. This senior role demands expertise in licensing models (SaaS, cloud, perpetual), ServiceNow SAM Pro, and audit leadership. You will shape governance, drive cost optimisatio...

Customer Success Manager role in London with a leading financial technology firm. You will drive platform adoption and value realisation for major enterprise clients in highly regulated environments. Requires expertise in monitoring/observability (e.g., Dynatrace, Datadog) and hybrid infrastructu...

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...

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,...

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...

Join a global Investment Bank as a Senior C# Developer in London. Design and maintain Front Office trading systems using C#, .NET, and Azure. This hybrid role requires strong experience in FO/BO environments and offers a competitive salary up to £95,000 plus bonus.