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Senior Software Engineer; PHP

Job in Slough, Berkshire, SL1, England, UK
Listing for: IRIS Recruitment
Full Time position
Listed on 2026-03-05
Job specializations:
  • Software Development
    Senior Developer, Software Engineer, Full Stack Developer, Cloud Engineer - Software
Job Description & How to Apply Below
Position: Senior Software Engineer (PHP)
Permanent full time

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

Our Tech Stack

Core:

* PHP (Laravel)

* ReactJS

* Java Script

* Relational databases

* Kubernetes

* Docker

* Linux

Desirable:

* React Native

* MariaDB

* Jenkins

* Git Lab

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 Dev Ops 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.

Please note:

We occasionally close vacancies early in the event that we receive a high volume of applications. Therefore we recommend you apply as soon as possible
Position Requirements
10+ Years work experience
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