> Markdown version of [/jobs/ext/3765245-c-net-developers](https://www.wearedevelopers.com/jobs/ext/3765245-c-net-developers). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # C# .NET Developers - **Company:** Advanced Resource Managers - **Location:** London, UK - **Experience:** Expert - **Salary:** £130,000.0 - **Contract:** Permanent contract - **Skills:** ASP.NET, .NET Framework, Microsoft Azure, C Sharp (Programming Language), Cloud Computing, Entity Framework, JSON, Microsoft SQL Server, RabbitMQ, Redis, Swagger, Secure Coding, Extensible Markup Language (XML), Openapi, Azure Service Bus, .NET Core, ReactJS, Git, Event Driven Architecture, AngularJS, Kubernetes, Information Technology, Apache Kafka, Restful APIs, Devsecops, Docker, Microservices - **Published:** October 16, 2026 - **Apply:** https://www.arm.co.uk/job-application/?job_id=131016_1792067982 ## About the Role * Strong commercial C#/.NET development experience * .NET Core / .NET 6+ * ASP.NET Core / Web API * REST APIs and microservices * SQL Server, including complex queries, stored procedures and optimisation * Entity Framework / ORM * Object-oriented design and design patterns * Distributed systems and enterprise integration * Unit and automated testing * Azure DevOps, Git and CI/CD * Agile/Scrum delivery * Strong troubleshooting and problem-solving capability * Good stakeholder communication Desirable * Banking, Capital Markets or Financial Services * Azure * Docker / Kubernetes * Kafka, RabbitMQ or Azure Service Bus * Event-driven architectures * React / Angular * Cloud-native development * Application observability and performance engineering * DevSecOps and secure coding Preferred Stack C# | .NET Core/.NET 8 | ASP.NET Core | REST APIs | SQL Server | Entity Framework | Azure | Azure DevOps | Git | Docker | Kubernetes | Kafka | Redis | JSON/XML | Swagger/OpenAPI ## Description The successful candidates will design, develop and enhance enterprise-grade applications supporting critical business functions across front-office, middle-office and back-office domains. They will work closely with Solution Architects, Technical Analysts, Business Analysts, Data Engineers and QA teams to deliver scalable, secure and high-performing solutions in a highly regulated environment., * Design, develop and maintain enterprise applications using C# and .NET. * Develop scalable, secure and high-performance APIs, services and distributed applications. * Work with Technical Analysts and business stakeholders to translate requirements into technical solutions. * Contribute to solution architecture, technical design and code reviews. * Develop RESTful APIs and integration services. * Implement monitoring, logging and error handling. * Work with relational and non-relational databases. * Develop automated unit, integration and regression tests. * Support CI/CD and DevOps practices. * Troubleshoot production issues and perform root-cause analysis. * Follow engineering, security and development standards. * Participate in Agile delivery. * Support application modernisation and cloud adoption.