Senior .Net Developer

Senior .NET Developer – Commodity Trading – Up to £120,000 – Hybrid – LondonA rapidly growing and innovative global market participant is seeking a Senior Full Stack Developer to join its high-performing technology team. This organisation provides critical liquidity to some of the world’s largest commodity traders, operating in fast-paced markets with a focus on technology-driven solutions. You’ll be part of a dynamic team made up of experts in trading, technology, and finance, all committed to pushing the boundaries of excellence in a high-performance environment.Role OverviewThis role involves developing and maintaining systems that support the trading function, with a particular focus on a high-performance Risk System. This system captures real-time trade data, calculates Risk and PnL, integrates with multiple exchanges, and delivers live information to traders via a modern UI.The tech stack includes .NET 8, Python, Docker, React, Azure App Services, Azure Static Web Apps, SQL Azure, Azure Service Bus, SignalR, Event-Driven Architecture, Application Insights, and Azure AD.Key Responsibilities:

• Design, develop, and maintain robust and scalable components within the Risk System
• Work closely with trading and technology teams to deliver real-time solutions that support critical business operations
• Build clean, testable, and well-documented code
• Contribute to system design and architecture discussions

Required Skills and Experience:

• Strong experience in .NET 6 or later
• Proficiency in SQL and relational databases
• Front-end development experience with React, Vue, Angular, or similar frameworks
• Solid unit and integration testing experience
• Familiarity with defect tracking tools such as JIRA or Azure DevOps
• Experience working in agile teams and effectively collaborating with cross-functional team members
• Understanding of common software design patterns
• Deployment/troubleshooting experience in one or more cloud platforms (Azure, AWS, or GCP)
• Willingness to work with Python and React, even if not currently proficient

Desirable Experience:

• Background in trading or financial services
• React with Redux experience
• Python development experience
• SQL query optimization
• Experience with Docker containers
• Familiarity with Microsoft Azure (App Services, SQL Azure, Service Bus, etc.)
• Azure DevOps for CI/CD
• Real-time messaging (SignalR, WebSockets)
• Experience with the FIX protocol
• System design and architecture expertise

Package:

• £100-120k basic salary
• 25 days holiday, 7% pension, private health insurance
• £80/month gym benefit, life assurance
• Season ticket loan
• Career progression opportunities
• Hybrid role – 4 days in London office