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Software Engineer
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Frontend & UI/UX C# .NET REACT
Location: Lincoln, UK
Working Arrangement: Hybrid Working
Position Type: Permanent
Candidates must have or be eligible to obtain UK Security Clearance.
About the Role
You build things that look right, feel right, and work right. Not just functional genuinely well crafted.
We're hiring a Senior Software Engineer with strong frontend and UI/UX capability to join a growing engineering team delivering secure, complex software for regulated environments.
This is a hands-on role. You will write code, shape standards, and help a talented team raise the bar on everything user-facing.
What you'll be doing
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- Designing and building high-quality software using C# and the modern.NET stack, including ASP.NET Core.
- Leading frontend delivery in React with a sharp focus on usability, accessibility, and visual quality.
- Translating Figma designs into scalable, maintainable UI components.
- Contributing to shared component libraries and frontend engineering standards.
- Supporting architecture decisions where frontend structure and user experience intersect.
- Mentoring engineers and conducting peer reviews.
- Working collaboratively across software, test, DevOps, architecture, and delivery teams.
What we're looking for
- Professional experience in C# and.NET including ASP.NET Core.
- Solid React frontend development experience.
- Proven ability to implement UI from Figma or similar design tools.
- Strong understanding of UI/UX principles, accessibility, responsive design, and frontend performance.
- Experience with component-based frontend architectures.
- A high standard of attention to detail around layout, usability, and visual consistency.
- Agile delivery experience.
- The confidence to challenge, improve, and help shape how software is built.
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Bonus points for
- Experience building or contributing to a company-wide design system.
- Figma prototyping or interaction design skills.
- Containerised or cloud deployment experience.
- Knowledge of modular or clean architecture approaches.
Important
You must be a UK national to allow for UK Government security vetting (UKSV) if not already obtained
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