.NET C# Contractor - Commodities Trading Systems
.NET C# Contractor – Commodities Trading Systems
Contract Length: 12 Months
IR35 Status: Inside IR35
Location: London, UK
Rate: £650 (Inside IR35)
Essential: Experience in interviewing and building out a team.
VISA - NO SPONSORSHIP AVAILABLE
Overview
We are seeking an experienced .NET C# Contractor to join a major technology initiative within a leading commodities trading organisation. The successful candidate will work on the enhancement, integration, and optimisation of trading and risk applications used across front, middle, and back-office functions.
This role is suited to a hands-on engineer with strong technical depth and proven experience working directly within commodities trading environments.
Key Responsibilities
- Develop, enhance, and maintain .NET/C# applications supporting trading, risk, and operational workflows
- Work on system integrations across front-office trading platforms, risk systems, and operational tools
- Collaborate with architects, product owners, and business analysts to deliver high-quality, production-ready solutions
- Support API development, data pipelines, and services used across trading desks
- Troubleshoot and optimise application performance, ensuring stability and scalability
- Participate in Agile ceremonies and contribute to the continuous improvement of engineering practices
- Assist in migrating legacy components into modern .NET frameworks where required
Essential Skills & Experience
- Strong commercial experience with C#/.NET development
- Proven background working within a commodities trading company (oil, gas, power, metals, or similar)
- Deep understanding of trade lifecycle, PnL, risk, and market data flows
- Experience integrating trading or risk platforms with downstream systems
- Strong SQL skills and experience with relational databases
- Solid understanding of messaging, APIs, and service-based architectures
- Ability to deliver clean, maintainable, and well-tested code within deadlines
- Strong communication skills and confidence working closely with front-office and technology stakeholders
Desirable Skills
- Exposure to cloud environments (AWS or Azure)
- Experience with CI/CD pipelines and DevOps tooling
- Familiarity with pricing, analytics, or risk engines
- Knowledge of event-driven architectures or microservices
What's on Offer
- Opportunity to work on mission-critical systems within a major commodities trading environment
- Collaborative culture with significant responsibility and business visibility
- Chance to work on modern architectures and high-performance trading technology