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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # C#/.NET Software Engineer | AWS | Modern Cloud Platform - **Company:** VanRath - **Location:** Belfast, UK - **Salary:** £40,000.0 - £50,000.0 - **Contract:** Permanent contract - **Skills:** .NET Framework, Application Programming Interfaces (APIs), Amazon Web Services, Automation of Tests, Unit Testing, C Sharp (Programming Language), Cascading Style Sheets (CSS), Cloud Computing, Cloud Engineering, Distributed Systems, Python (Programming Language), Open Source Technology, Scrum Methodology, Software Engineering, Software Systems, AWS Cdk, Tailwind, Software Troubleshooting, Git, Containerization, Graphql, Front End Software Development, Restful APIs, Software Version Control - **Published:** August 19, 2026 - **Apply:** https://www.vanrath.com/job/c-number-slash-dot-net-software-engineer-aws-modern-cloud-platform-bbbh15772-1787133850/apply ## About the Role Experience developing RESTful APIs. * Familiarity with GraphQL. * Experience working within technical platform teams delivering reusable services across multiple projects. * Experience working with Git and modern version control practices. * Understanding of cloud-based distributed architectures. * Experience or interest in AWS and cloud-native technologies. * Experience with or willingness to work with AWS CDK / Infrastructure as Code, with Python preferred. * Ability to work closely with Business Analysts and Product Owners to understand requirements and constructively challenge assumptions. * Strong understanding of unit testing and automated testing. * Experience working within an Agile/Scrum environment. * Good communication skills with the ability to explain technical concepts and design decisions clearly. * Understanding of modern front-end technologies, including CSS preprocessors such as Tailwind. * Strong troubleshooting and problem-solving abilities., Knowledge or experience within financial services or financial markets. * Understanding of OTC products or regulatory-driven projects. * Experience contributing to open-source projects. * Experience working with distributed systems and large-scale technology transformation programmes. ## Description You will be part of a global engineering team delivering innovative technology solutions that support critical business operations. The organisation is investing heavily in modernising its technology landscape, providing an opportunity to work on a high-impact transformation project using modern architecture and cloud technologies. As a Software Engineer, you will contribute to the design, development and testing of robust software solutions, with a particular focus on back-end services and APIs using C# and .NET. You will work within a cloud-based distributed architecture and have the opportunity to develop your expertise across AWS, Infrastructure as Code and modern software engineering practices. You will work closely with senior engineers and cross-functional teams, contributing to solution design, Agile delivery, troubleshooting and continuous improvement. The role also provides the opportunity to broaden your technical skill set and develop T-shaped engineering capabilities across different areas of the platform. ## Related Videos - [Building Reliable Serverless Applications with AWS CDK and Testing](https://www.wearedevelopers.com/videos/812-building-reliable-serverless-applications-with-aws-cdk-and-testing) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Putting the Graph In GraphQL With The Neo4j GraphQL Library](https://www.wearedevelopers.com/videos/257-putting-the-graph-in-graphql-with-the-neo4j-graphql-library) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Agile work at CARIAD – Creating a customer web application for controlling the vehicle ](https://www.wearedevelopers.com/videos/200-agile-work-at-cariad-creating-a-customer-web-application-for-controlling-the-vehicle) - [The power of Cloud Development Kit (CDK): How to get the most out of it](https://www.wearedevelopers.com/videos/740-the-power-of-cloud-development-kit-cdk-how-to-get-the-most-out-of-it) ## Related Articles - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)