Sr .NET Developer/Technical Team Lead

Senior .NET Developer/Technical Team Lead

B2B SaaS

London / Hybrid

.NET, React, Azure, Kubernetes

£90,000-£110,000 DOE

Roc Search’s client is a growing B2B SaaS company in the enterprise technology space, building a secure, scalable platform that integrates with core enterprise systems. Backed by recent investment, they are now entering a key scale-up phase.

They’re looking for a hands-on Technical Team Lead to own technical direction while remaining close to the code. This role would suit a Senior or Lead Engineer who has had some people-lead responsibility (even in a small team) and is looking to step into a broader leadership role.

The Role

You’ll combine architectural ownership with hands-on delivery, working closely with product leadership and guiding a growing engineering team.

Responsibilities

• Lead and evolve the platform architecture
• Own decisions across Software Engineering, Infrastructure, Tooling, and Integrations
• Align technical direction with the product roadmap
• Help guide the Infrastructure from Azure Service Fabric to Kubernetes
• Contribute code, review work, and guide technical decisions
• Mentor engineers and uphold engineering standards
• Design scalable, secure, and high-performance systems

Experience Required

• Full-stack Dev background: C#, .NET, JavaScript, React
• API and enterprise identity integration experience
• Cloud expertise, ideally Azure
• Pragmatic, collaborative leadership style

Desirable

• Strong experience with Kubernetes
• Experience scaling B2B SaaS platforms

Tech Stack

• React, JavaScript
• C#, .NET
• Azure, Service Fabric, Cosmos DB
• IAM / SSO experience is a plus

What’s On Offer

• High-impact role shaping a scaling SaaS platform
• Genuine technical and architectural ownership
• Hybrid working (London base)
• Strong benefits package, including private medical and enhanced family leave