Quantitative Developer C#.Net SQL Maths

Client Server; North East; On-site; GBP 100,000 - 150,000; Full time

Job summary

A leading FinTech start-up is seeking a Quantitative Developer (C# .Net SQL Maths) based in Newcastle to work on complex systems for an established Hedge Fund client. Candidates must have a strong academic background in Mathematics or related STEM disciplines, significant programming skills, and an entrepreneurial mindset. Offering a competitive salary package and a dynamic work environment with emphasis on collaboration and continuous learning.

Benefits

Salary (to £150k, negotiable)

Bonus

25 days holiday

Social team atmosphere

Qualifications

• Minimum 2.1 in Mathematics or similar from a top tier university.
• Commercial experience in a Quantitative Developer position.
• Advanced C# .Net programming skills including .Net Core.
• Strong knowledge of SQL databases.

Responsibilities

• Integrating mathematical models into applications.
• Creating scalable and performant cross asset class applications.
• Working in an Agile, collaborative team environment.

Skills

C# .Net programming

SQL databases

Mathematics

Computer Science fundamentals

OOP

Design Patterns

Algorithms

Education

2.1 in Mathematics or similar STEM discipline

Job description

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Quantitative Developer C#.Net SQL Maths, Newcastle upon Tyne

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Client:

Client Server

Location:

Newcastle upon Tyne, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

5f142dfa7ae4

Job Views:

4

Posted:

25.06.2025

Expiry Date:

09.08.2025

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Job Description:

Quantitative Developer (C# .Net SQL Maths) Newcastle onsite to £150k+

Are you a mathematically minded Quantitative Developer with a first class education and strong programming skills?

You could be progressing your career, working on complex and interesting systems at a FinTech start-up, they have secure backing and an established Hedge Fund client as a partner.

As a Quantitative Developer you'll focus on integrating the mathematical models built by Investment Quants, creating scalable, performant and supportable cross asset class applications including APIs, UIs and tools. You'll be mainly using backend C# .Net and SQL.

There's an Agile, collaborative team environment with plenty of problem solving, learning opportunities and career development as the company scales.

Location / WFH:

You'll join colleagues in brand new Central Newcastle offices on a full-time basis (Monday to Friday), working hours 0900-1800 with some flexibility. The offices are well equipped and offer fantastic views across the City and the local countryside, many employees walk or cycle in (onsite showers available!).

About you:

• You have an outstanding record of academic achievement - minimum 2.1 in Mathematics or similar 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 commercial experience in a Quantitative Developer position at a buyside institution or Tier 1 bank
• 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 Quantitative Developer you will receive a competitive package:

• Salary (to £150k, negotiable)
• Bonus
• 25 days holiday
• Social team atmosphere with a range of events and early finish for drinks on Fridays

Apply now to find out more about this Quantitative Developer (C# .Net SQL Maths) 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.