Harrington Starr - IT - Software Development

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 ...

Lead Cloud Engineering for a top City of London financial firm. You will own the end-to-end cloud platform lifecycle on AWS and Azure. This senior role requires expertise in architecture, governance, and risk management within Financial Services. Drive strategy from a key London location.

Lead product development for a global mobile investing app in London. Own key features, define requirements, and deliver rapid MVPs with international engineering teams. Ideal candidates have mobile app PM experience, a commercial mindset, and a background in Crypto, Trading, or FinTech.

Lead Software Engineer role in Dublin, offering hybrid work. Design and build high-performance, scalable systems using C#, Python, and cloud tech (Azure/AWS). Lead a team, mentor developers, and enjoy a salary up to €115k with great benefits.

Join a global FinTech leader in Dublin as a C# Engineer. Develop high-performance, scalable systems using C#, .NET, and cloud tech (Azure/AWS). Enjoy a hybrid role with a salary up to €90k, private medical insurance, and funded training. Mentor juniors in a growing, collaborative team.

Join a leading trading technology vendor as a Front-End Test Analyst in London. You will ensure high-quality user experiences for complex trading applications using Playwright and TypeScript. This role requires 3-4 years of front-end testing experience, ideally in finance. Work in a fast-paced, A...

Seeking a hands-on Production Support Analyst for a fast-growing New York Financial Firm. The role requires strong SQL, application support in a Trading environment, and Windows expertise. Ideal candidates will have scripting skills in Python or PowerShell and a solid financial background. This i...

Join a global fintech leader in Poplar, London, as a Cyber Security Engineer. You will focus on AWS security, designing controls and managing tools like GuardDuty and Security Hub. This role offers cutting-edge projects within a major cybersecurity investment program. Strong AWS, IAM, and CSPM ex...

Join a Global Investment Bank as a UI Software Engineer on the high-profile Front Office Trading Floor. Develop real-time trading applications using React, TypeScript, and data visualization for multi-asset teams. This London-based role offers direct collaboration with Traders and Quants and incl...

Join a top-tier DeFi team in London building advanced onchain trading infrastructure. We seek a quant-minded Rust Engineer with a strong academic background and 2+ years of Rust/Solidity experience. You will design low-latency systems, optimize execution engines, and shape real-time DeFi strategi...

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.