Morgan McKinley
Senior Software Engineer
How your CV stacks up
Upload your CV to see how well it fits this job role
?%
Role Title: Senior Software Engineer
Contract Type: (Outside IR35)
Location: Fully Remote (UK-based)
Day Rate: Competitive Market Rate
Contract Length: 6/12 Months
About the Opportunity
We are searching for a seasoned, hands-on .NET Contractor to lead key deliverables across a complex cross-platform ecosystem. In this role, you will take ownership of scoped development packages—building and modernizing cross-platform desktop interfaces, backend services, tooling, and web APIs.
If you thrive in architecting maintainable, test-driven solutions and have proven expertise in desktop frameworks alongside modern backend.NET, this engagement offers high autonomy and clear, structured deliverables.
Key Responsibilities & Deliverables
Reasons to use Rodeo
Start with a chat, not a search bar
Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
It searches the market for you
Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
- Take full ownership of specific feature packages across desktop, server, tooling, and API layers.
- Architect and refine client-facing UI components using modern desktop frameworks.
- Design robust backend microservices and RESTful Web APIs to handle real-time and data-driven operations.
- Expand unit and integration test coverage to guarantee system resilience and stability.
- Advise on implementation strategies to ensure seamless execution against agreed delivery milestones.
Core Technical Requirements
- Primary Stack: Advanced C# and modern .NET ecosystem experience.
- Backend: ASP.NET Core, REST/Web APIs, OpenAPI/Swagger specifications.
- Desktop UI: Commercial experience with Avalonia UI (or deep WPF / XAML experience with an eager readiness to work in Avalonia). Strong grasp of the MVVM pattern.
- Database & Messaging: Relational databases (PostgreSQL), light-weight ORMs/mappers (Dapper), and real-time communication tools (SignalR).
- Quality Assurance: TDD/BDD approaches utilizing xUnit, Moq, or equivalent modern testing tools.
- Environments: Cross-platform development experience across both Windows and Linux OS.
Get help with your application
Your very own career expert that helps elevate your application to the next level.
Bonus / Advantageous Skills
- Hands-on work with data visualization, charting, or plotting libraries.
- Exposure to low-level networking or custom communication protocols.
- Background in refactoring or migrating legacy software (e.g., C++, Java, or legacy.NET) into modern C# architectures.
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
Skills
Location