Principal Software Engineer

About the Opportunity

Join us at a pivotal moment as we modernise our platforms, embrace AI-driven engineering, and redefine how great software is built.

As a Principal Engineer, you will be a senior technical leader responsible for shaping the architecture, engineering standards, and technical direction of our products. This is a highly hands-on role where you will lead from the front, working closely with engineering teams to deliver new features, integrations, platform enhancements, technical debt reduction initiatives, and high-quality customer outcomes.

You will collaborate with Product, Architecture, DevOps, Support, and other stakeholders across the business to ensure solutions are scalable, secure, and maintainable. Alongside driving technical excellence, you will mentor engineers, champion modern software development practices, and help teams continuously improve how they build and deliver software.

Working across a range of technologies and product domains, you will play a key role in modernising legacy platforms, solving complex technical challenges, and building cloud-native solutions that support our growing customer base.

Key Responsibilities

Technical Leadership & Delivery

• Provide hands-on technical leadership across software development teams.
• Lead the design, development, and delivery of scalable, secure, and high-performing software solutions.
• Drive architectural decisions and ensure alignment with engineering best practices and business objectives.
• Contribute to estimation, planning, and technical decision-making for new initiatives and product enhancements.
• Work closely with cross-functional teams to support successful product releases and operational excellence.
• Ensure teams understand priorities, milestones, and delivery commitments.

Engineering Excellence

• Remain actively involved in software development, code reviews, troubleshooting, and resolving complex technical issues.
• Champion modern engineering practices, including CI/CD, DevOps, automation, testing, and observability.
• Promote high standards of code quality, maintainability, security, and performance.
• Drive continuous improvement initiatives across development processes, tooling, and ways of working.
• Support the evolution and modernisation of existing platforms and systems.

People Leadership & Mentoring

• Coach, mentor, and develop engineers at all levels, creating a culture of learning and technical excellence.
• Provide line management support where applicable, including performance management, career development, and objective setting.
• Foster collaboration, knowledge sharing, and effective communication across teams.
• Help build high-performing engineering teams by promoting engagement, accountability, and continuous growth.

What You'll Bring

Essential Skills & Experience

• Significant experience in software engineering, including leadership of complex technical initiatives and distributed teams.
• Strong expertise within the Microsoft technology ecosystem, including C#, .NET, SQL Server, Azure, and related technologies.
• Experience designing and delivering scalable, cloud-native applications and services.
• Strong understanding of microservices, distributed systems, and modern software architecture principles.
• Ability to write, review, and guide the development of high-quality, well-tested, production-grade code.
• Experience working across multiple programming languages and technology stacks, demonstrating adaptability and a broad technical perspective.
• Deep understanding of software engineering best practices, development lifecycles, and agile delivery methodologies.
• Excellent problem-solving, communication, and stakeholder management skills.

Desirable

• Cloud platform certifications (Azure, AWS, or GCP).
• Experience with observability, monitoring, and performance optimisation practices.
• Experience modernising legacy applications and driving large-scale technical transformations.

Key Competencies

• Technical Leadership & Architecture
• Software Engineering Excellence
• Coaching & Mentorship
• Collaboration & Stakeholder Management
• Ownership & Accountability
• Strategic Decision Making
• Problem Solving & Innovation
• Continuous Improvement Mindset