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Harrington Starr
Quality Assurance Test Engineer

Quality Assurance Test Engineer

On site

London, United kingdom

£ 200 /day

Freelance

02-03-2026

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Skills

Java SQL Databases react AWS Spring Spring Boot

Job Specifications

QA Tester – Fintech Startup (Contract)

London office with Hybrid working

3 Months initial contract

PAying £150–£200 per day (London)

Fast-growing fintech startup looking for a hands-on QA Tester with a strong payments background.

You’ll work directly with the CTO, testing across Java/Spring Boot APIs, React frontends, SQL databases and AWS environments. Must be comfortable digging into logs, APIs and backend systems — not just surface-level testing.

Fintech experience is essential.

Available immediately? Let’s talk.

About the Company

Harrington Starr is a multi-award winning financial technology recruitment business based in London, Belfast and New York City. Founded in 2010, we are specialists in technology, change & transformation and sales recruitment and have helped clients and candidates across 5 continents. Our diverse range of clients include banks, hedge funds, vendors, service providers, payment providers, asset managers, start-ups, disruptors and many more. The one thing they have in common though is that they trust Harrington Starr with their... Know more