Senior Software Engineer (PHP)

IRIS Software Group; Greater London; On-site; GBP 50,000 - 75,000; Full time

Benefits offered by this job

Opportunity to influence technical direction

Exposure to enterprise scale systems

Clear progression opportunities

Job summary

A leading UK software company is seeking a Senior Software Engineer to join their Dataplan team. This senior role combines deep technical contribution with mentoring responsibilities. You will drive feature delivery, work on a cloud-based payroll platform, and help shape architectural decisions. Candidates should have over 5 years of experience in software engineering and strong skills in PHP, ReactJS, and CI/CD principles. The position offers opportunities to influence technical direction and clear career progression.

Qualifications

• 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.

Responsibilities

• Drive end-to-end feature delivery.
• Partner with Product on roadmap and prioritisation.
• Mentor and support junior engineers.
• Lead best practice adoption (testing, CI/CD, observability).
• Contribute to architectural decisions.
• Manage technical debt and platform health.
• Support incident resolution and continuous improvement.

Skills

PHP (Laravel)

ReactJS

Relational databases

Docker

React Native

MariaDB

Jenkins

GitLab

Job description

Build software used by thousands. Influence technical direction. Mentor others.

IRIS is one of the UK’s largest privately held software companies and a major European provider of payroll and HR solutions. We’re now looking for a Senior Software Engineer to join our Dataplan team.

This is a hands on senior role combining deep technical contribution with delivery ownership and mentoring responsibility.

You’ll help shape and scale a cloud-based payroll and HR platform serving thousands of customers.

The Role

You’ll spend the majority of your time writing high quality code while also:

• 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

Core:

• PHP (Laravel)
• ReactJS
• Relational databases
• Docker
• React Native
• MariaDB
• Jenkins
• GitLab

About You

• 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.

What You’ll Get

• Opportunity to influence technical direction
• Exposure to enterprise scale systems
• Clear progression opportunities

If you’re a senior engineer who enjoys owning delivery, shaping solutions, and developing others — we’d love to hear from you.