Staff Engineer

ZipRecruiter; City Of London; Hybrid; GBP 120,000; Full time

Job summary

A high-growth tech-driven company in London seeks a Staff Software Engineer to lead modern .NET applications development. The role involves enhancing large-scale systems, mentoring engineers, and contributing to tech strategies in a hybrid work setting. Deep expertise in C#, .NET Core, and cloud operations is required, alongside proficiency in modern development methodologies.

Qualifications

• Deep expertise in C#, .NET Core, ASP.NET.
• Cloud experience with AWS or Azure + DevOps.
• Proficiency with Infrastructure as Code tools like Terraform.

Responsibilities

• Enhance and modernize large .NET systems.
• Lead architecture and development of backend services.
• Automate infrastructure and CI/CD pipelines.

Skills

C#

.NET Core

ASP.NET

AWS

DevOps

Terraform

CI/CD

Go

Python

React

TypeScript

Node.js

Job description

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!