C# Developer

Commodities Trading C# Developer

📍Location: London

📅Contract: 6 month initial contract

📑 IR35: Inside IR35

Business Area: Global Markets

Department: Commodities IT

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:

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• Base and precious metals
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• Oil, power, and natural gas
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• Coal and emissions
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• Agricultural commodities
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The technology team is central to enabling this coverage through high-performing, scalable, and resilient trading systems.

Key Responsibilities

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

Essential

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• Expert-level development experience in C# / .NET
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• Strong experience with SQL Server
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• Proven experience working with service-based architectures (REST, gRPC, web technologies)
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• Solid understanding of asynchronous programming and multithreading
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• Experience with messaging middleware (e.g., IBM MQ or similar)
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• Experience working with front office, trading, or risk stakeholders
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• Strong software engineering fundamentals with a focus on performance and scalability
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Desirable

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• Knowledge of financial markets and instruments, particularly commodities or derivatives
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• Experience with pricing and risk systems
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• Exposure to electronic trading platforms
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• Experience across asset classes (e.g., FX, Equities, Fixed Income, Commodities)
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• Familiarity with tools such as:
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• Consul
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• Redis
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• Octopus Deploy
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• TeamCity
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Competencies

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