Fullstack .NET Developer – Cloud SaaS Platform

About the role

We are seeking a Fullstack .NET Developer to join an innovative UK technology company that builds enterprise software for rail, construction, airports, utilities and infrastructure. The role is permanent and hybrid, working closely with product owners, UX designers and fellow engineers to design, develop and deliver scalable cloud‑based applications.

Key responsibilities

• Develop new features for a modern SaaS platform, covering both frontend (Blazor) and backend (.NET) components.
• Design, implement and maintain REST APIs, micro‑services and event‑driven architecture.
• Write clean, maintainable code and participate in peer code reviews.
• Support production applications, troubleshoot issues and contribute to technical discussions.
• Collaborate in an Agile environment and help shape architectural decisions.

Required profile

• Proven experience in both frontend and backend development using C# and .NET.
• Comfortable working with cloud platforms (Azure or AWS) and container orchestration.
• Strong desire to learn new technologies and work in a small, collaborative team.
• Ability to solve complex technical problems and contribute to product evolution.

Required skills

• C# and .NET
• Blazor (preferred modern frontend framework)
• Azure or AWS
• REST APIs
• Git
• Terraform, Docker, Kubernetes
• Selenium
• Microservices
• Event‑Driven Architecture (desirable)
• IoT concepts (desirable)
• AI tools such as Cursor, Claude, Codex (desirable)

What we offer

• Salary up to £60,000 per year
• 25 days holiday plus bank holidays
• AXA Healthcare plan
• Hybrid working (2 days in office per week)
• Workplace pension with 4% employer contribution
• Electric car salary‑sacrifice scheme
• Company social events