Senior C# Developer – C#, .NET Core, SQL – London

Oxford Knight; London; On-site; GBP 55,000 - 90,000; Full time

Job summary

A boutique prop trading firm in London seeks a Senior C# Developer to join a dynamic team focused on systematic and quantitative trading. The role involves developing algorithmic trading models and working with large data sets in C# and SQL, in a zero-red tape environment that fosters innovation. Ideal candidates will have a strong STEM background and expertise in C# programming, with significant opportunities for impact and growth within the firm.

Qualifications

• Degree-level education in STEM subject, preference for Computer Science.
• Strong programming experience in C# and SQL.
• Experience with vast data sets with SQL or equivalent.

Responsibilities

• Building algorithmic trading models and infrastructure in C# /.NET Core and SQL.
• Working closely with London-based quants and traders on complex data sets.
• Managing greenfield projects with technical ownership.

Skills

C#

SQL

Multi-threading

Networking

Education

Degree in STEM

Job description

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Client:

Oxford Knight

Location:

London, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

a3e120ad9dd9

Job Views:

6

Posted:

17.06.2025

Expiry Date:

01.08.2025

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Job Description:

Summary:

A boutique prop trading firm with a strong focus on high quality technology and systematic and quant trading models are looking for a Senior C# Developer to join their small, agile, London-based team. With zero red tape or bureaucracy often associated with bigger buy-side firms and investment banks, this London-based team of engineers, researchers, modellers and traders know how to get things done in a cutting-edge market.

Working next to the business, the successful C# Developer will be working with vast, complex data sets, and will be building algorithmic trading models and infrastructure in C# /.NET Core and SQL, directly with London-based quants and traders.

Requirement s:

• Degree-level education in STEM subject, preference for Computer Science
• Strong programming experience in C# and SQL
• Experience with vast data sets with SQL (or equivalent)
• Experience in multi-threaded environments and networking (TCP/UDP) desired but not essential
• Market-leading compensation including competitive annual bonus in London
• Greenfield projects available with opportunities to take technical ownership and make impact
• Zero red tape culture; no bureaucracy or barriers to success as a matter of principle