Software Engineer - Elements

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.

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.

Role Purpose

As a Software Engineer, you will be a key contributor to our cloud-native web applications and data platforms that serve millions of users, working independently on full-stack feature development while collaborating closely with cross-functional teams. You will build scalable, modern web-based solutions using the latest UI frameworks, .NET Core backends, and cloud-native technologies hosted on Azure or AWS with containerised deployments.

Key Responsibilities:

• Technical Delivery: Deliver features end-to-end with guidance on complex requirements, from analysis to production deployment. Own small to medium features throughout their complete lifecycle, ensuring quality and maintainability. Contribute to architectural decisions within assigned feature scope with senior engineer approval for broader system impacts. Maintain clean, scalable codebases following SOLID principles and clean architecture guidelines. Deploy containerised applications to Azure or AWS using Docker and Kubernetes. Work with databases including SQL Server and NoSQL solutions for optimal data storage. Extend and modify team CI/CD pipelines, implement automated quality gates, and troubleshoot deployment issues independently. Build and maintain microservices architecture with robust API design.
• Collaboration & Communication: Work closely with Product Owners to refine user stories, estimate work, and communicate status and trade-offs. Collaborate effectively with cross-functional teams and contribute to technical decisions. Provide regular updates on feature progress, risks, and dependencies to stakeholders. Facilitate selected team Agile ceremonies, contribute to accurate estimation, and mentor junior team members in Agile practices. Provide peer mentoring to junior engineers through code reviews, pair programming, and knowledge sharing. Utilise AI tools effectively for development and mentor juniors in responsible AI practices.
• Quality & Standards: Drive testing excellence through TDD/BDD practices, comprehensive test coverage, and automated testing strategies. Provide constructive code review feedback for assigned features and mentor junior team members through review processes. Implement security and compliance requirements independently, identifying potential issues during development and code reviews. Implement and maintain automated quality checks in CI/CD pipelines with shift-left testing practices. Produce comprehensive feature documentation and contribute to team knowledge sharing initiatives.
• Growth & Development: Develop technical leadership skills through mentoring, knowledge sharing, and contributing to architectural decisions. Stay current with technology trends and drive adoption of best practices within the team.

Required Experience & Skills:

• Technical Skills: Proficient with modern UI frameworks using TypeScript and state management or working knowledge with focus on backend specialisation. Proficient with .NET Core, C#, ASP.NET Core Web APIs, REST, async/await patterns, and dependency injection. Experience with SQL Server including data modelling and query optimisation. Experience using AI tools to accelerate design, development, testing and debugging. Experience using DataDog, Application Insights or Amazon CloudWatch for performance monitoring and troubleshooting. Working knowledge of Infrastructure as Code with either Terraform, Bicep, ARM Templates or AWS CloudFormation/CDK. Proficient using Azure or AWS services for application deployment. Docker containerisation or Kubernetes deployments with container orchestration. Experience with clean architecture principles, SOLID design patterns, and domain-driven design. Comfortable with TDD/BDD testing strategies and implementing automated testing. Experience with scalable solutions and internet-facing traffic levels. Knowledge of observability and production support practices.

Experience Requirements:

• 2-4 years of professional software development experience.
• Track record of successful software delivery using Agile methodologies.
• Experience with scalable web applications and cloud deployments.
• Understanding of software delivery lifecycle and DevOps principles.
• Proven ability to work with guidance on complex features and independently on routine tasks.
• Experience providing peer mentoring or technical guidance to junior colleagues.

Soft Skills:

• Strong analytical and problem-solving abilities.
• Excellent communication and collaboration skills.
• Ability to work independently while contributing to team goals.
• Adaptability and continuous learning mindset.
• Mentoring and knowledge sharing capabilities.

Desirable Skills:

• Experience working with regulated or complex domains.
• Experience integrating AI tools into development workflows with understanding of ethical usage.
• Experience with monitoring and APM strategies using DataDog.
• Experience with modern UI architecture patterns.
• Understanding of security best practices in cloud environments.
• Experience with event-driven architectures.
• Familiarity with GraphQL APIs and real-time communication.
• NoSQL database experience including data modelling and query optimisation.
• Cloud deployment experience with serverless computing concepts.

Why You’ll Love Working Here:

• Impact: Your work will influence millions globally.
• Growth: Continuous learning and career development opportunities.
• Belonging: A culture that celebrates diversity and empowers every individual.

Ready to Apply?

Click Apply - we’re excited to learn about your unique perspective and experience. If you need adjustments during the process, let us know. We’re committed to making this opportunity accessible to everyone.

What to expect from our hiring process:

Our process is designed to be fair, transparent and straightforward. Stages vary depending on the role — more senior positions may involve additional steps, and some areas include role-specific assessments such as a technical test or case study — but typically you can expect:

• 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.