What You Will Be Doing Partnering with Solution Architects and Principal Engineers to shape technical designs and influence strategic direction Taking full ownership of engineering deliverables and driving them from concept to production Building and enhancing distributed, event-driven systems using modern .NET technologies Designing and developing high-performance REST and GraphQL APIs Delivering scalable, cloud-native applications hosted on AWS Writing clean, maintainable, well-tested code aligned with industry best practices Improving platforms through Proof of Concepts, experimentation and technical innovation Contributing across the entire SDLC including design, development, QA and post-release support Creating and maintaining automated test frameworks for complex systems Communicating progress clearly and proactively removing impediments Mentoring other engineers and raising the bar for technical excellence Troubleshooting and resolving live issues quickly to minimise business impact Driving continuous improvement across systems, processes and engineering standards Essential Skills and Experience 7 years commercial software engineering experience Strong expertise with .NET Framework and .NET Core using C# Proven background developing distributed, cloud-native systems Solid experience in API design and development with REST and GraphQL In-depth knowledge of relational database design and optimisation using MSSQL or MySQL Hands-on experience deploying and managing AWS or Azure cloud environments Demonstrable experience building automated testing solutions Comprehensive understanding of Agile development practices Proficiency with Git and modern engineering workflows Excellent problem-solving skills and strong attention to detail Desirable Skills Experience with WPF or desktop application development Exposure to financial or trading platforms Familiarity with FIX protocol and FIX messaging Knowledge of serverless architecture and AWS microservices Experience with JavaScript, TypeScript or React Understanding of TDD or BDD testing approaches Ability to support estimation, planning and user story refinement Education and Qualifications Degree in Computer Science, Software Engineering or a related technical discipline If you are interested or have any further questions on the role, please feel free to reach out to Eve Geddis directly on LinkedIn.