Junior C# Quantitative Developer

🔒 Confidential Employer
Posted 24 April 2026
LOCATION
London
TYPE
Full-time
LEVEL
Entry-level
SALARY
£75,000 / year
CATEGORY
Finance
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

C# .NET Data Structures Algorithms Quantitative Finance Financial Markets Backtesting Trading

FULL DESCRIPTION

Role: Junior C# Quantitative Developer

Client: [Employer hidden — view at passion-project.co.uk]

Compensation: Competitive Base + Performance Bonus

Location: London (Hybrid)

Overview

Join a [Employer hidden] where technology and mathematics drive every decision. We’re looking for a talented Junior Quantitative Developer to work alongside experienced quants, traders, and engineers. This is a unique opportunity to build and optimize the systems that power international trading strategies while receiving direct mentorship from some of the best minds in the industry.

The Role

As a Junior Quantitative Developer, you will sit at the intersection of engineering and research, contributing to the development of mission-critical trading and analytical tools.

Key responsibilities include:

  • Developing and maintaining high-performance C# applications used across research, risk management, and live trading.
  • Collaborating with quants to implement complex pricing models and robust backtesting frameworks.
  • Enhancing data processing pipelines and contributing to the continuous performance optimization of internal systems.
  • Gaining deep exposure to financial markets, electronic trading systems, and quantitative research methodologies.

Requirements

Technical Skills: Strong programming skills in C# / .NET with a solid grasp of computer science fundamentals (data structures, algorithms, and design patterns).

Education: Bachelor’s or Master’s degree in Computer Science, Mathematics, Engineering, or a related quantitative field.

Mindset: An analytical mindset with a genuine interest in finance and solving complex quantitative problems.

Communication: Ability to work effectively within an intellectually driven and collaborative team environment.

What’s on Offer

Direct Mentorship: Learn from experienced quantitative developers in a high-growth environment.

Immediate Impact: The opportunity to see your code directly influence global trading performance.

Professional Growth: A clear career progression path with competitive compensation and performance-linked bonuses.

Innovation-Led Culture: Work in a fast-paced, tech-first setting that prioritizes innovation and engineering excellence.

If you are a Junior C# Developer looking to accelerate your career in quantitative finance, please apply with an up-to-date CV to be considered.

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