Staff Software Engineer | £120K | Hybrid - London My client is undergoing a major platform transformation and is looking for a Staff Engineer to lead a critical migration from .NET Core to Golang. This role is 70% hands-on engineering and 30% mentorship and stakeholder engagement - ideal for someone who loves to code but also wants to influence direction, guide teams, and shape strategy. What you'll do: Lead the technical migration from .NET Core to Golang Architect and scale high-performance systems in a cloud-native environment Drive DevOps maturity - CI/CD, observability, and infrastructure as code (Terraform) Mentor engineers and collaborate with product and business stakeholders Champion engineering excellence and guide tech decisions with long-term impact What you'll bring: Deep experience in .NET Core and hands-on exposure to Golang Strong background in AWS and/or Azure Experience with modern DevOps tools and IaC (Terraform preferred) Comfortable working across both code and conversations - you can lead technically and influence non-technical stakeholders Bonus: Experience with Python, Node, React, or TypeScript Hybrid: 2 days/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!