C# Developer

About the Role

We are seeking an experienced Commodities Trading C# Developer to join a London-based core development team within a leading global markets environment.

This role focuses on building and delivering critical technology solutions that support the full lifecycle of commodities derivatives trading — from pre-trade through to risk, pricing, and post-trade processing.

You will play a key role in enhancing trading platforms, improving system performance and scalability, and delivering robust solutions aligned with front office and risk stakeholders.

Business Overview

The organisation provides liquidity and market-making services across a broad range of global commodity markets, including:

Base and precious metals

Oil, power, and natural gas

Coal and emissions

Agricultural commodities

The technology team is central to enabling this coverage through high-performing, scalable, and resilient trading systems.

Key Responsibilities

• Design, develop, and deliver core functionality for the Commodities Derivatives platform
• Build scalable and high-performance systems supporting pricing, risk, and trading workflows
• Ensure platform stability through rigorous testing and release management
• Collaborate with front office, trading, and risk teams to deliver business-critical solutions
• Contribute to system architecture improvements, reducing complexity and increasing resilience
• Follow best practices across: Code reviews, Release governance, Source control and CI/CD pipelines
• Support production systems and ensure ongoing reliability and maintainability

Required Skills & Experience

Essential

Expert-level development experience in C# / .

NET

Strong experience with SQL Server

Proven experience working with service-based architectures (REST, gRPC, web technologies)

Solid understanding of asynchronous programming and multithreading

Experience with messaging middleware (e.g., IBM MQ or similar)

Experience working with front office, trading, or risk stakeholders

Strong software engineering fundamentals with a focus on performance and scalability

Desirable

Knowledge of financial markets and instruments, particularly commodities or derivatives

Experience with pricing and risk systems

Exposure to electronic trading platforms

Experience across asset classes (e.g., FX, Equities, Fixed Income, Commodities)

Familiarity with tools such as: Consul, Redis, Octopus Deploy, TeamCity

Competencies

• Strong organisational skills and delivery focus
• High attention to detail and quality
• Ability to work independently with minimal supervision
• Comfortable working in fast-paced, high-pressure environments
• Excellent communication and stakeholder management skills
• Proactive mindset with a strong work ethic