Backend Software Engineer C# .Net SQL - Hedge Fund

Client Server Limited; Greater London; On-site; GBP 150,000 - 180,000; Full time

Benefits offered by this job

Major bonus potential

Fund performance share

Personal training budget and mentoring

Private healthcare

Wellness activities

Family-friendly benefits

Emergency childcare support

Elderly care support

Team social groups

Job summary

Client Server Limited is seeking a Backend Software Engineer in London to design and implement high-performance trading systems using C# and SQL. The role emphasizes ownership from day one, collaboration with quant teams, and delivering scalable compute operations in a hedge fund environment.

You will work onsite in London with a modern tech stack and opportunities for technical leadership, mentoring, and performance-based rewards.

Qualifications

• Outstanding academic record: 2.1 in STEM from a top-tier university, with A grades at A-level.
• Advanced C# .Net programming skills including .Net Core; willingness to use C# going forward.
• Strong knowledge of SQL databases.
• Solid CS fundamentals: OOP, data structures, design patterns, algorithms.
• Entrepreneurial with business acumen; eager to own and lead projects.
• Collaborative and problem-solving oriented.

Skills

C# .Net

SQL databases

OOP

Data structures

Design patterns

Algorithms

Entrepreneurial mindset

Team collaboration

Education

2.1 in STEM from a top-tier university

Tools

.NET Core

Job description

London, Greater London | £150k - £180k per year

Backend Software Engineer / Developer (C# .Net SQL) *London onsite* to £180k+

Are you a technologist Backend Software Engineer with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management.

As a Backend Software Engineer you'll collaborate with a team of highly intelligent technologists and finance professionals to develop algorithmic trading systems working with a modern tech stack, with opportunities for technical ownership from day one.

You'll partner with Quant teams to help architect valuation, risk and pricing systems, delivering massively scalable, high performance streaming compute operations. You'll be equipped with all the latest kit to help you succeed as well as learning from industry experts on world finance.

Location / WFH:

You'll join the team in fantastic London (Soho) based offices that offer a wide range of facilities including nutritionally balance breakfast, lunch and all day snacks. Please note this role is full-time office based (Monday to Friday).

About you:

• You have an outstanding record of academic achievement - minimum 2.1 in a STEM discipline from a top tier university (i.e. Russel Group or top 100 global university), backed by A grades at A-level
• You have advanced C# .Net programming skills including .Net Core (will also consider Java, Python or C++ background if happy to use C# going forward)
• You have a strong knowledge of SQL databases
• You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms
• You're entrepreneurial with good business acumen, keen to take ownership and lead projects
• You're collaborative, enjoy problem solving and sharing ideas

What's in it for you:

As a Backend Software Engineer / Developer you will earn a competitive package:

• Salary to £180k
• Significant bonus earning potential
• Fund performance share
• Personal training budget and mentoring
• Family friendly benefits that include unlimited emergency backup childcare as well as care for elderly relatives
• Various social groups including sports teams
• Private healthcare and wellness activities