Full stack Developer - URGENT in London

Full stack Developer - URGENT in London

London Full-Time No working from home possible
Harnham
C# Full Stack Engineer (.NET)
Our client is a London‑based investment firm operating in specialist global sports markets. They build proprietary, data‑driven systems that directly support trading and research activities. The environment is highly technical, collaborative, and focused on engineering quality rather than process.
They are hiring multiple mid‑level to senior C# Full Stack Engineers to support a growing portfolio of greenfield and existing systems.
Build and maintain C#/.NET applications across backend and full‑stack systems
Work on greenfield projects with ownership from early design onwards
Contribute to system performance, scalability, and architecture
BSc or MSc in Computer Science
Strong commercial experience with C# and the .NET platform
Experience working with relational databases (SQL Server or equivalent)
Solid software engineering fundamentals and attention to detail
Clear written and verbal communication in English
No prior experience in trading or finance is required.
Central London office
~5 days per week in the office initially
~ 4 months, flexibility to 4 days per week in the office depending on circumstances
70,000 – £160,000 base salary, depending on experience
~ Bonus - 20%
~ Pension, private health insurance, gym membership
~ Flat structure, high autonomy, strong work‑life balance
Harnham

Contact Details:

Harnham Recruitment Team