Senior Software Engineer

This is an opportunity to join IRIS Software Group as we transform into an AI-first company delivering cloud-native solutions that impact millions of lives globally. IRIS produces an integrated suite of mission-critical software applications spanning accountancy, HR, payroll, education, and business operations. You will be working as part of an Agile team to deliver innovative solutions to user stories and requirements, contributing to our modernisation journey that serves over 100,000 customers across 135 countries.

The role is challenging and dynamic, with key deadlines to be met as we accelerate our cloud transformation and implement next-generation technologies. You’ll need to embrace continuous learning and bring a focused attitude to tasks that directly enable businesses, schools, and organisations to work smarter and more efficiently.

You will be involved in a variety of cutting-edge technical solutions, ranging from the latest .NET technologies using C# to various Front End Web JS Frameworks, all while contributing to our AI-powered platform evolution. You will be supported in your career growth by a highly experienced team, comprehensive learning opportunities, and a vibrant technical community committed to creating exceptional solutions that make a real difference in how our customers operate and succeed.

As a Senior Software Engineer, you will be a technical leader within your team, responsible for delivering complex full-stack web applications, serving millions of users, driving technical excellence, and mentoring other engineers. You will work hands-on with cutting-edge UI frameworks, .NET Core backends, and cloud-native technologies while contributing to architectural decisions and ensuring high-quality software delivery across containerised, scalable web products.

• Design and deliver complex, scalable systems (multi-service integrations, high-traffic APIs, data processing pipelines) that anticipate edge cases, scalability issues, and long-term maintainability
• Own large features or entire components across their complete lifecycle from conception to production support
• Lead technical discussions and influence architecture decisions within team systems and components, with authority over component-level technical choices and escalation path to Engineering Lead for cross-team impacts
• Drive technical excellence by establishing architectural patterns, standards, and best practices that others can follow
• Ensure knowledge transfer and documentation for owned systems to enable team continuity
• Lead story refinement sessions with Product Owners, providing technical expertise for estimation and risk assessment
• Partner with cross-functional teams (product, design, QA) to deliver comprehensive solutions that meet business objectives
• Influence technology choices based on deep technical understanding and business context
• Lead team Agile ceremony facilitation to drive continuous process improvements, and establish team practices that enhance delivery predictability
• Proactively identify and inspire resolution of technical debt and system improvements

• Champion comprehensive quality practices including TDD/BDD standards, automated testing strategies, and shift-left testing
• Lead security implementation across complex features establish security practices and conduct comprehensive security reviews
• Establish development tooling and practices used consistently within the team
• Lead troubleshooting efforts for complex software issues and production incidents
• Establish documentation standards for complex team systems and drive knowledge transfer practices across team deliverables

• Mentor junior and mid-level engineers actively to raise team capability and technical standards
• Lead team code review standards establishment conduct complex feature reviews, and drive quality improvements across team deliverables
• Drive continuous improvement and champion responsible AI adoption with team governance practices

• Frontend Development
  :
  Strong proficiency with modern UI frameworks (e.g. Angular, React,…