Principal Software Architect

Salary: £80,000 - 85,000 per year

Requirements:

• Extensive experience designing and delivering high-quality software within modern engineering environments.
• Strong commercial experience with C#, ASP.NET, Azure, React and REST APIs.
• Experience designing scalable, secure and maintainable software architectures.
• Strong understanding of cloud-native application development and Azure services.
• Experience influencing technical strategy and architectural decision making.
• Knowledge of secure software development practices within SaaS or regulated environments.
• Experience mentoring engineers and promoting engineering best practice.
• Excellent communication skills with the ability to work effectively with both technical and non-technical stakeholders.
• An interest in using AI tools to improve software engineering productivity and delivery.

Responsibilities:

• Design and deliver scalable, secure and maintainable software solutions.
• Lead architectural decisions that balance innovation, performance and long-term sustainability.
• Drive engineering best practice, coding standards and software quality across development teams.
• Work closely with Product Managers and stakeholders to translate business requirements into robust technical solutions.
• Mentor and coach engineers, helping to raise technical capability across the wider team.
• Champion modern software engineering practices, automation and continuous improvement.
• Explore and adopt AI-powered development tools where they add measurable value.
• Support the delivery of reliable, cloud-native SaaS products within a security-focused environment.

Technologies:

• AI
• ASP.NET
• Azure
• C#
• Cloud
• CTO
• Support
• REST
• React
• Security
• Architect

More:

We are a growing, technology-led SaaS organisation investing heavily in our engineering capability and modern cloud platform. This is a hybrid role based in Milton Keynes, with one day in the office every other week. You will join a collaborative, forward-thinking engineering team where you will have genuine influence over technical direction, while reporting into our CTO and working closely with Product, Engineering and other business stakeholders. We offer a salary of £80,000 to £85,000 depending on experience, along with hybrid working, comprehensive healthcare and wellbeing support, life assurance, a holiday trading scheme, retail discounts, gym and fitness benefits, ongoing learning and professional development, and a collaborative culture where technical excellence is valued.

last updated 34 week of 2026