C# / .NET Developer Contract - 3-6 Months (Inside IR35)
Hybrid - Central London (Minimum 3 Days Onsite)
Rate: Flexible for the Right Candidate
Overview
We are seeking an experienced C#/.NET Developer to join a high-performing delivery team working on business-critical systems within a major UK energy trading environment. This role sits within a globally recognised Microsoft-focused consultancy delivering into a large-scale trading and commodities platform. You will be contributing to the design, build, and optimisation of high-availability backend services supporting fast-paced trading operations.
This is a hands on backend engineering role within a modern Azure based microservices architecture.
Key Responsibilities
- Design, develop, and maintain backend services using C# and .NET
- Build and enhance microservices and RESTful APIs
- Develop cloud native solutions using Microsoft Azure (App Services, Functions, Azure SQL, Service Bus)
- Implement CI/CD pipelines using Azure DevOps
- Ensure solutions are secure, scalable, and performance optimised
- Collaborate within Agile/Scrum teams across distributed stakeholders
- Contribute to architecture discussions and technical decision making
- Support production releases and continuous improvement initiatives
Required Experience
- 5 years' experience in C#/.NET backend development
- Strong understanding of microservices architecture
- Experience building and consuming REST APIs
- Hands on experience with Azure services (App Services, Functions, Azure SQL, Service Bus)
- CI/CD pipeline experience using Azure DevOps
- Strong knowledge of performance optimisation and secure coding practices
- Experience working within Agile/Scrum delivery models
Desirable
- Experience within trading, commodities, or financial services environments
- Exposure to high-throughput, low-latency systems
- Experience working in regulated or enterprise scale environments
Environment
- Fast-paced, delivery-focused trading domain
- Hybrid working (minimum three days per week in Central London)
- High visibility programme within a large-scale, business-critical platform
- Opportunity to work alongside senior architects and cloud engineers
This is an excellent opportunity for a strong backend developer looking to work on complex, high-value systems in a cloud-first environment with immediate impact.