Senior C# Developer Desktop Trading Systems

JR United Kingdom; London; On-site; GBP 100,000 - 140,000; Full time

Job summary

A leading company in the financial sector is seeking a Senior C# Developer to enhance their Windows desktop trading systems. This role involves developing critical applications, optimizing performance, and collaborating with international teams. With a competitive salary up to £140k and hybrid working options, this position offers excellent career growth opportunities in a dynamic environment.

Benefits

Pension and Private Healthcare

Hybrid working (3 days in London office)

Impactful role in AI technology

Excellent career growth opportunities

Qualifications

• Strong C# desktop development experience in banking or financial services.
• Good understanding of asset classes like Fixed Income and Equities.
• Familiar with cloud computing and UI development.

Responsibilities

• Develop critical systems for trading, operations, and finance.
• Optimize system performance for real-time data processing.
• Collaborate with US and Canada teams as the sole UK resource.

Skills

C# desktop development

SQL databases

RESTful APIs

UI development

Cloud computing

Communication

Stakeholder management

Education

Degree in Computer Science or similar

Job description

Social network you want to login/join with:

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Client:

Client Server

Location:

london, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

1

Posted:

25.05.2025

Expiry Date:

09.07.2025

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Job Description:

Senior C# Developer / Software Engineer (Windows Desktop Trading Systems) London to £140k

Are you a Senior C# Developer with strong Windows desktop development skills combined with banking / financial services experience?

You could be progressing your career at a Hedge Fund with over $10 billion under management.

As a Senior C# Developer you will work on critical systems across front, middle and back office systems to support trading, operations, finance, compliance and investor relations, optimising system performance to ensure efficient real-time data processing, reporting and automation of operational workflows. You'll focus on building C#, WinForms, WPF desktop applications and design and implementation of scalable, service orientated architectures (SOA) but will also gain exposure to web applications using React and / or Angular.

This is a senior, hands-on position, you'll collaborate with colleagues in the US and Canada and be the sole resource on these systems for the UK.

Location / WFH:

You'll join colleagues in the London office with flexibility to work from home once a week; there's a friendly and collaborative environment with casual dress code and a range of facilities.

About you:

• You have strong C# desktop development experience on Windows within a banking or financial services environment
• You have a strong knowledge of SQL databases
• You have a good understanding of asset classes e.g. Fixed Income, Equities
• You're familiar with RESTful APIs, UI development and cloud computing
• You have excellent communication and stakeholder management skills
• You're degree educated in Computer Science or similar discipline

What's in it for you:

As a Senior C# Developer / Software Engineer you will earn a competitive package:

• Salary to £140k + bonus
• Pension and Private Healthcare
• Hybrid working (x3 days in London office)
• Impactful role working on cutting edge AI technology
• Excellent career growth opportunities

Apply now to find out more about this Senior C# Developer / Software Engineer (Windows Desktop Trading Systems) opportunity.

At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.