Founding C# Engineer – VC Backed Start-Up – London

Founding C# Engineer – VC Backed Start-Up – London

Founding C# Engineer required for an early-stage start-up founded by two time founders. This is a unique opportunity to join a world class founding team at the very beginning, shape the product and culture, and take ownership of solving complex technical challenges.

What you’ll be doing

• Building core systems and features in C# and .NET
• Defining architecture and setting technical direction
• Working closely with the founders on product decisions
• Taking ownership from concept through to delivery in a fast-moving environment

What we’re looking for

• 5+ years of professional software engineering experience
• Strong C#/.NET development skills
• A start-up mentality: thrive in fast-paced, high-ownership environments
• Collaborative problem solver with excellent communication skills
• London-based and happy to work on-site

Why join

• Ground-floor role with real influence over product and culture
• Competitive compensation + meaningful equity
• Backing from leading investors
• Rapid learning, responsibility, and career growth from day one

If you’re a C# Software Engineer who want to push boundaries, take ownership, and help build something from the ground up, let’s chat.

Founding C# Engineer – VC Backed Start-Up – London

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