Senior Principal Software EngineerLocation: UK (Hybrid - 2 days/week in Winchester or London office)Salary: Up to £83k + bonus + benefitsThe RoleWe''re looking for a Senior Principal Software Engineer to provide technical leadership, shape engineering standards, and mentor a team of engineers. This senior role combines architectural oversight with hands-on contribution, driving best practice and innovation across our platforms.What You''ll DoLead development across complex projects and cross-functional teamsDefine and promote engineering best practice across the SDLCGuide architectural decisions to ensure scalability and sustainabilityChampion adoption of modern tools and technologiesMentor and coach engineers to support career growthContribute hands-on with clean, scalable code when requiredRepresent the Head of Software Engineering in decision-making forumsAbout YouStrong expertise in modern programming languages and frameworksProven experience in senior technical roles with architectural influenceExcellent problem-solving and stakeholder communication skillsTrack record of mentoring engineers and leading by exampleDegree in Computer Science/Engineering or equivalent experienceWhat''s on OfferSalary up to £83kAnnual bonusPension contributionPrivate medical cover25 days holiday + flexible benefitsHybrid working with 2 office days per week