Principal Software Engineer £95,000 + Bonus + Benefits | Hybrid (UK)Method is partnering with a leading infrastructure technology company that''s rebuilding its software architecture from the ground up. The mission is to create connected, secure, and scalable systems that enable smarter infrastructure, and deliver trusted connectivity across multiple sectors.They''re looking for a Principal Software Engineer, a hands-on technical authority who will set engineering standards, solve complex challenges, and shape the next generation of event-driven microservices powering their global platform.The role You''ll work at the top of the engineering track, designing and delivering high-performance, distributed systems while guiding others through implementation and problem-solving. This is a deep technical role, ideal for someone who thrives on code, architecture, and tangible impact.What you''ll doDesign and build scalable, distributed systems that support safety-critical environments.Lead technical decision-making and resolve engineering challenges across domains.Own the delivery of complex features, ensuring performance, resilience, and maintainability.Collaborate with Engineering Leads, Architects, and Product to translate roadmap goals into reality.Contribute to a 5-year architectural refresh, evolving systems to event-driven microservices.Mentor engineers through design reviews, pairing, and best-practice development.Maintain and improve CI/CD pipelines, test automation, and ..... full job details .....