Harrington Starr

Backend Python Developer needed for a London-based energy trading firm to build and enhance a modern, AWS-powered post-trade platform. This contract role focuses on backend development for live intraday trading, position management, and P&L reporting. You will design scalable services, build APIs...

Join a leading quantitative trading firm in London as a Quantitative Researcher. You will develop systematic trading and market-making strategies, leveraging Python and statistical modelling on large datasets. Ideal for candidates with an advanced degree in a quantitative field and experience in ...

Senior Application Support specialist needed for a high-volume futures trading firm in London. You will own production stability for trading, clearing, and exchange connectivity platforms. Requires 7+ years of Futures support experience with ION, FIS, or TT, plus strong FCA/EMIR knowledge. This l...

Senior Sales – Market Data Expert sought by a well-capitalised, institutionally-backed fintech in London. Own the commercial function from day one, driving policy renewals, fee negotiations, and new business. Requires deep market data licensing expertise and an active industry network. Hybrid wor...

Senior Software Engineer sought by a fast-scaling London fintech transforming FX and treasury operations. You will build high-impact, cloud-native trading systems using C#/.NET, SQL, and microservices. Ideal for engineers with 5+ years’ experience in financial technology. Join a collaborative tea...

Sales & Marketing Executive role in London blending creative content with outbound sales. You'll own lead generation, manage LinkedIn, create Canva content, and drive revenue for a fast-growing B2B financial services firm. Ideal for a self-starter with sales experience seeking commercial exposure...

Customer Success Manager sought for a Financial Services SaaS platform in London/Hybrid. This new role builds a CS function, driving platform adoption and value for fund managers. You will own senior client relationships, identify upsell opportunities, and shape best practices. Offering £75k-£100...

Seeking a skilled **Software Engineer** with expertise in **NodeJS** and **TypeScript** for a London-based role. You will build robust trading systems within a Front Office environment, leveraging **AWS Cloud** and **Terraform**. Requires a 2:1 in Computer Science and experience with **React** an...

Junior Sales Executive — Institutional Clients at a fast-growing fintech in London. Drive new client acquisition and account expansion across global capital markets. Requires 2+ years B2B sales in fintech or market data, fixed income knowledge, and CRM discipline. Benefits include 25 days holiday...

Join a top European gas trading desk in Amsterdam as a Spot Gas Trader. Leverage 2–4 years of experience in financial or physical commodities to execute short-term strategies across Day-Ahead and futures markets. Strong analytical skills and Python proficiency are valued. This role offers a colla...