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Software Engineer (Backend) – Java London, UK up to 100k + equity You’ll be joining a high-calibre engineering team building the backend systems that power a next-generation, AI-driven wealth management platform. This is a role for an engineer who wants meaningful ownership: designing distributed...

Role Summary Harrington Starr are seeking a Cyber Security Specialist with a strong understanding of Cryptocurrency/ Blockchain/ Digital Asset environments for one our prestigious financial services clients. The role will sit within the cyber security function and will offer both technical and busi...

C#.NET Full Stack Developer Contract: £700 - £950 / day (Inside IR35) Location: London (Hybrid) Contract Length: 6 months - Rolling contract upto 2 years with an option to convert to Perm at the end. JOB Description: You’ll be joining a Financial Services organisation to design, build, and supp...

NET Developer (Contract) Location: Central London Rate: £350–£425 per day Duration: 6 months (likely extension) Start: ASAP Role Overview We are seeking an experienced .NET Developer to join our Business Intelligence IT team. You will develop and support SMBC BI business applications using C# ...

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity t...

Junior/Mid-Level DevOps Engineer – £50,000 - 75,000 Basic salary Industry: FinTech Essential: GCP experience Work from home policy: Hybrid - 4 days per week in the office for the first 3 months, then 3 days per week thereafter. Company: a high-tech firm that uses quant-driven market-making and a...

Job Title / Corporate Title: Looker Developer - Department = Fixed Income Data Modelling Contract: £ 500 - £800 per day (Inside IR35) Location: London (Hybrid) You’ll be joining a fast-growing financial data technology firm specialising in fixed income analytics. Helping to design, build, and opt...

Harrington Starr are supporting a global financial services organisation to help them hire a Security Operations Manager to manage a hybrid in-house/ outsourced function. The role will involve providing both technical and strategic leadership. Key accountabilities involve: Working with the CISO to...

Application Development Director – Banking Data Platform £800–£1,150 per day (via Umbrella) London –(Hybrid, 2–3 days per week) Contract until April 2026 (expected to extended) Immediate start preferred You’ll be joining a Tier 1 banking group leading the delivery of a major ECB onboarding ...

Data Strategy & Commercialisation Lead £500 per day | 6-month contract (extensions likely) Remote across UK or Europe | Inside IR35 At the heart of this role is data discovery — understanding what information trading firms truly value, structuring it into insight, and turning it into a scalable c...