Harrington Starr - IT - Software Development

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...

Seeking a Security Engineer in Sydney to join a specialist APAC team within a global organisation. You will safeguard cloud and on-prem environments, leveraging expertise in Microsoft 365, Entra ID, and automation via Python/PowerShell. Ideal candidates bring 5+ years in information security, pro...

Senior Java Engineer / SRE sought by a leading fintech in London (Hybrid). You will build tools, enhance platform resilience, and optimize JVM performance for high-volume trading systems. Requires strong Java, Kubernetes, Kafka, and a DevOps mindset. This high-impact role offers complex distribut...

Join a London-based Digital Currency Investment Platform as a **Software Engineer** specializing in **NodeJS** and **TypeScript**. You'll develop cutting-edge global web systems, playing a pivotal role in the full SDLC. Key requirements include expertise in **JavaScript**, **TypeScript**, **AWS**...

Network Engineer sought by a market-leading betting firm in Gibraltar. You will manage complex network infrastructure, requiring expertise in Cisco, Arista, Palo Alto, OSPF, and BGP. Automation skills with Terraform, Ansible, and Python are essential. This role offers a relocation package for the...

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...