Full Stack Developer

Hays are now looking for a Senior Full Stack Developer.

• Contract (6 months) to permanent
• £500 p/d then £80k - £93k after 6 months
• 1 day a week a week in the office, rest is WFH
• Various Locations

A leading fintech business has partnered with us exclusively to help expand its engineering team and are looking for Full Stack Developers to join on a 6-month contract (inside IR35) with a guaranteed path to permanent employment. These roles are perfect for developers who want to make a long-term impact in a fast-paced, high-growth tech environment.

What You'll Be Building

You'll help drive innovation in international payments, forex, and e-commerce platforms. Collaborate with agile teams to build scalable systems that power global transactions.

Tech Stack & Responsibilities

.NET, C#, JavaScript, TypeScript
RESTful APIs, MS SQL Server, T-SQL
Agile, CI/CD, unit testing (xUnit, Moq)
Distributed systems, service buses, multithreading
Legacy support:
VB.NET, VB6 (nice to have)
Mentoring junior devs & contributing to architecture

If you are interested in the above role please apply now or send a copy of your CV to

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