6-Month contract – Inside IR35 – up to £500 per day London based – hybrid working – 3 days a week onsite Banking sector – must have previous experience Role Overview We are seeking experienced Senior C# .NET Developers to join a strategic technology transformation programme within a leading international banking environment. 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. Key Responsibilities 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. Support application modernisation and cloud adoption. Mandatory Skills .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 Strong troubleshooting and problem-solving capability Good stakeholder communication Kafka, RabbitMQ or Azure Service Bus Event-driven architectures React / Angular Application observability and performance engineering #J-18808-Ljbffr
Senior C#/.Net Developer employer: ARM International
ARM International is an exceptional employer that values innovation and collaboration in a dynamic UK enterprise environment. With a strong focus on employee growth, we offer comprehensive training and development opportunities, alongside a supportive work culture that encourages teamwork and open communication. Our commitment to high standards in performance and security ensures that you will be part of a forward-thinking team dedicated to excellence.
