Staff Software Engineer | Lead Engineer | Principal Engineer | £120K | Hybrid - London

Staff Software Engineer – .NET | London (Hybrid)

We’re working with a high-growth, tech-driven company undergoing a major platform modernization and are looking for a Staff Software Engineer to join their mission-critical engineering team. This is a hands-on technical leadership role with high visibility and impact across the organization.

You’ll work on large-scale systems, contributing to the design and development of modern, scalable, cloud- .NET applications. You'll collaborate closely with platform teams, influence tech strategy, mentor engineers, and help evolve systems that serve both public-facing and internal users.

Key Responsibilities

Enhance and modernize large .NET systems for performance, reliability, and scalability Lead architecture and development of backend services using C#, ASP.NET, .NET Core Automate infrastructure, CI/CD pipelines, and cloud operations (AWS/Azure) Promote engineering best practices, security, and observability Mentor engineers and foster a culture of continuous improvement Contribute to technology direction, including adoption of tools like Go and Python

What We’re Looking For

Deep expertise in C#, .NET Core, ASP.NET Cloud experience with AWS (Lambda, DynamoDB) or Azure + DevOps Proficiency with IaC tools like Terraform Strong grasp of modern dev methodologies and design patterns Exposure to containerization and CI/CD tooling Bonus: Familiarity with Go, Python, React, TypeScript, Node.js

️ Location: Hybrid – 2 days a week in London

This is a high-impact role in a growing company where your technical voice will be heard - and acted on. Ready to build, lead, and transform? Let’s connect!