At a Glance
- Tasks: Lead software development teams and shape technical direction for innovative projects.
- Company: Join IRIS Software Group, a top UK tech company with a focus on well-being and inclusion.
- Benefits: Enjoy competitive salary, career growth, and a culture that celebrates diversity.
- Other info: Flexible remote work options and a commitment to continuous learning.
- Why this job: Make a global impact while working with cutting-edge technologies and mentoring future engineers.
- Qualifications: Experience in software engineering and leadership within the Microsoft tech ecosystem.
The predicted salary is between 63000 - 77000 £ per year.
About IRIS
IRIS Software Group is one of the UK's largest privately held software companies, trusted by 100,000+ businesses, schools and accountancy firms to keep their operations running. Our software pays 1 in 6 UK employees, supports over 12,000 schools, and is relied on by 91 of the top 100 UK accountancy firms. We're a Great Place to Work certified employer, recognised for our commitment to well-being, inclusion and development - and we're growing fast.
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.
- 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.
- Provide line management support where applicable, including performance management, career development, and objective setting.
- 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.
- 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.
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
Why You'll Love Working Here
- Impact: Your work will influence millions globally.
- Continuous learning and career development opportunities.
- A culture that celebrates diversity and empowers every individual.
Application review — we assess your experience and potential Initial call — a short conversation to learn about you and share more about the role Skills assessment — tailored to the position, e.g. case study, coding challenge or portfolio review Final interview — meet the team and explore how you'll make an IMPACT at IRIS We'll always walk you through the specific stages at the start of the process so you can prepare with confidence. If you need any adjustments or accommodations during the process, let us know, we're committed to making this experience accessible for everyone.
Location
IRIS Remote, UK
Employment Type
Full time
Department
IRIS IRIS Engineering IRIS Engineering Central
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