Junior Quant Developer - C# - London - £75,000 + Comps

Hunter Bond; City Of London; On-site; GBP 45,000 - 65,000; Full time

Job summary

A leading global trading firm in London is seeking a Junior Quant Developer to design and enhance core pricing and risk systems. The role requires strong C# skills and experience in financial instruments, along with a passion for financial markets and technology. You'll collaborate with trading and quant teams to deliver critical solutions in a hybrid work environment.

Qualifications

• Strong proficiency in C# with a solid understanding of object-oriented programming.
• Good knowledge of financial instruments, particularly derivatives or structured products.
• Experience with Python for data analysis or automation.
• Familiarity with SQL Server and relational database design.
• Around 2+ years of experience in a pricing, risk, or Front Office technology role.

Responsibilities

• Design, develop, and enhance core pricing and risk systems used across global trading desks.
• Build scalable, high-performance solutions in C# and contribute to the firm's quant and risk libraries.
• Partner closely with trading and quant teams to deliver new features and Front Office tools.
• Support and extend Python and Excel-based analytics used across the business.
• Balance rapid delivery of enhancements with long-term strategic projects.

Skills

C#

Financial instruments knowledge

Python

SQL Server

Job description

Role: Junior Quant Developer

Location: London

Type: Hybrid

We're representing a leading global trading firm seeking a talented Risk Technology Developer to join their Front Office Technology group. This team builds and enhances the firm's in-house pricing, PnL, and risk platforms-core systems used daily by portfolio managers, risk managers, and finance teams. You'll be working alongside world-class technologists, quants, and traders to deliver high-performance, business-critical solutions in a fast-paced trading environment.

What you'll do:

• Design, develop, and enhance core pricing and risk systems used across global trading desks
• Build scalable, high-performance solutions in C# and contribute to the firm's quant and risk libraries
• Partner closely with trading and quant teams to deliver new features and Front Office tools
• Support and extend Python and Excel-based analytics used across the business
• Balance rapid delivery for day-to-day enhancements with long-term strategic projects

What you'll bring:

• Strong proficiency in C# and solid understanding of object-oriented programming
• Good knowledge of financial instruments (derivatives or structured products)
• Experience with Python for data analysis or automation
• Familiarity with SQL Server and relational database design
• Around 2+ years' experience in a pricing, risk, or Front Office technology role

If you're a delivery-focused developer with a passion for financial markets and cutting-edge technology, apply below to find out more.