About the job Senior Software Engineer (.NET / React / AWS) - Outside IR35 Outside IR35 Initial contract until the end of 2026 Remote based About the Role Our niche engineering consultancy is looking for a Senior Software Engineer to join their Digital Delivery Service, delivering software solutions across complex cloud-based applications within their Energy clients Commercial and Trading technology landscape. As Senior .NET Engineer you will work as part of a collaborative engineering service, taking ownership of features and integrations from design through to deployment, while contributing to the continuous improvement of our engineering capability. Senior .NET Software Engineer - Key Responsibilities Design, develop and maintain modern software applications using .NET (C#) Build and support REST APIs, backend services and system integrations. Develop Front-End features in React Develop cloud-native solutions using AWS and associated technologies. Work across the full software development lifecycle, from requirements through to deployment and production support. Collaborate with Product Owners, Project Managers, QA Engineers and Solution Architects to deliver high-quality solutions. Participate in Agile ceremonies including sprint planning, stand-ups, reviews and retrospectives. Contribute to technical design, code reviews and engineering best practices. Produce clear technical documentation and support knowledge sharing across the team. Support application improvements, defect resolution and technical debt reduction. Essential Skills & Experience Strong commercial experience developing applications using C# / .NET. Experience building modern front-end applications using React. Experience developing RESTful APIs and integration services. Experience working with AWS cloud services. Experience with SQL databases (PostgreSQL and/or SQL Server). Understanding of modern software engineering practices including Git, CI/CD and automated testing. Experience working within Agile delivery teams. Strong analytical and problem-solving skills. Desirable Skills Infrastructure as Code (Terraform). Serverless development (AWS Lambda). Event-driven architecture and messaging. Experience within Energy Trading, Utilities or Financial Services. Experience working within a managed service environment.

In San digital i have done some aws work building apis with lambda etc highlight that. Xunit belongs in backend section Make my CV sound like I am senior engineer that also did some management, security work, architecture etc. but dont make me sound overqualified to the point where it sounds like those are the only things I have done.