C# Developer

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

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, * 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