Senior .NET Software Engineer – Stealth Startup (Zurich/Remote)

About the role

We are a fast‑growing stealth technology start‑up building a next‑generation cloud‑native platform. As a Senior .NET Software Engineer you will design, build and scale highly available software systems while collaborating closely with the founders and senior engineers to define architecture, tooling and engineering standards.

Key responsibilities

• Design, develop and maintain scalable .NET applications using C#.NET 9, ASP.NET Core and related technologies.
• Collaborate with founders and senior engineers to shape system architecture, tooling, and engineering best practices.

Required profile

• Proven experience working in Agile teams on complex software projects.
• Strong problem‑solving and analytical skills with a passion for fast‑paced start‑up environments.

Required skills

• C# (C# 13)
• .NET 9
• ASP.NET Core 9
• Blazor
• GraphQL
• SQL Server 2022
• Azure
• AWS
• Docker
• Kubernetes
• React
• Angular
• TypeScript 5.7+

What we offer

• Remote working options with flexibility.
• Competitive salary (CHF 110 000‑145 000) plus equity potential.
• Opportunity to work on greenfield systems using modern cloud‑native technologies.