Contract C# .NET Developer (Commodities)

Contract C# .NET Developer (Commodities)

Posted 1 week ago by X4 Technology on Linkedin

Negotiable
Outside
Hybrid
London Area, United Kingdom

Summary: The role of Contract C# .NET Developer focuses on transforming core trading systems for a commodities trading firm in London. The position involves designing and developing scalable applications, optimizing data flows, and implementing best practices in software engineering. The contract is for 12 months with a strong potential for extension and offers a hybrid working arrangement. The role is classified as outside IR35, with a competitive day rate.

Key Responsibilities:

  • Designing and developing C# .NET Core applications supporting real-time trading workflows and analytics.
  • Developing and consuming RESTful and gRPC APIs in a microservices environment.
  • Building distributed, event-driven services using Kafka or Azure Event Hubs.
  • Implementing scalable cloud-native solutions on Azure (Azure Functions, Service Bus).
  • Working with relational databases (SQL Server) and NoSQL technologies (MongoDB, CosmosDB).
  • Automating CI/CD pipelines via Azure DevOps, improving deployment frequency and code reliability.
  • Collaborating closely with infrastructure and DevOps teams to ensure robust, secure and maintainable deployments (Docker, Kubernetes).

Key Skills:

  • Proven experience delivering enterprise-grade solutions with C# .NET Core in production environments.
  • Strong background in distributed systems and messaging technologies (Kafka, Event Hubs, or similar).
  • Solid understanding of modern API architecture (REST, gRPC) and domain-driven design.
  • Proficiency in both SQL and NoSQL database technologies.
  • Hands-on experience with Azure and containerisation (Docker, Kubernetes).
  • Strong advocate for engineering best practices: TDD, automated testing, CI/CD, Git workflows.

Salary (Rate): 750

City: London

Country: United Kingdom

Working Arrangements: hybrid

IR35 Status: outside IR35

Seniority Level: Mid-Level

Industry: IT