Salary: £39,500 - 70,000 per year Requirements: 5 years experience in software engineering Strong experience building and shipping scalable web applications Comfortable in Agile environments with sprint-based delivery Strong knowledge of CI/CD and DevOps principles Experience supporting production systems Passion for mentoring and raising engineering standards Bonus points for experience in regulated sectors (finance, health, govtech) or working with AI tools to improve engineering productivity Responsibilities: Writing high quality code Driving end-to-end feature delivery Partnering with Product on roadmap and prioritisation Mentoring and supporting junior engineers Leading best practice adoption (testing, CI/CD, observability) Contributing to architectural decisions Managing technical debt and platform health Supporting incident resolution and continuous improvement Technologies: AI CI/CD Cloud DevOps Web Docker GitLab JavaScript Jenkins Kubernetes Laravel Linux MariaDB PHP React React Native More: We are IRIS, one of the UKs largest privately held software companies and a major European provider of payroll and HR solutions. We are looking for a Senior Software Engineer to join our Dataplan team. In this hands-on senior role, you will play a critical part in shaping and scaling our cloud-based payroll and HR platform, serving thousands of customers. You will have the opportunity to influence our technical direction, work with enterprise-scale systems, and benefit from clear progression opportunities in a dynamic team. last updated 11 week of 2026