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# Senior Software Engineer - PHP & React

- **Company:** Harnham
- **Location:** London, UK (Remote available)
- **Experience:** Expert
- **Salary:** £70,000.0 - £85,000.0
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), Java (Programming Language), JavaScript (Programming Language), PHP (Programming Language), Amazon Web Services, C++ (Programming Language), Cloud Computing, Cloud Engineering, Software Quality, Continuous Integration, Relational Databases, Github, JQuery, Python (Programming Language), Laravel, PostgreSQL, Software Construction, Software Deployment, Software Engineering, TypeScript, ReactJS, Technical Debt, Backend, Information Technology, Code Testing, Front End Software Development
- **Published:** November 3, 2026
- **Apply:** https://www.reed.co.uk/jobs/senior-software-engineer-php-react/57516455

## About the Role

* Strong commercial experience building software products using PHP and Laravel
 * Hands-on experience developing modern frontend applications with React and TypeScript
 * Proven ability to own software delivery and release production-ready applications
 * Experience working across both backend and frontend development
 * Strong understanding of PostgreSQL and relational database design
 * Exposure to AWS-based environments and cloud-native development practices
 * Experience with CI/CD tooling, ideally GitHub Actions
 * Ability to work independently while collaborating effectively with product and data stakeholders
 * Commitment to code quality, testing, maintainability, and continuous improvement
 * Interest in leveraging AI-assisted development tools responsibly and effectively, If you are an experienced Senior Software Engineer with strong Laravel, React, and cloud development experience, and you want genuine ownership and impact, apply today to learn more.
Skills

 * Amazon Web Services (AWS)
 * C Programming (Using)
 * C++ Programming (C+E)
 * Communication Skills (Key)
 * Information Technology Education
 * Java Programming (Basics)
 * JavaScript & jQuery
 * Python Programming (Beginner)
 * Software Engineering Job Titles
 * Teamwork (Teams)

## Description

This is an opportunity to join a growing product-led business at a pivotal stage in its journey. As the Senior Software Engineer, you will become a key technical contributor, taking ownership of software delivery, shaping engineering standards, and helping bring development capabilities in-house as the platform scales., As a Senior Software Engineer, you will take ownership of delivering high-quality product features and platform improvements across the full software development lifecycle.

Responsibilities include:

 * Owning large pieces of work from requirements through to production deployment
 * Building and enhancing products across a Laravel backend and React frontend
 * Writing clean, maintainable, and well-tested code
 * Managing releases and supporting deployment processes
 * Reviewing code and helping establish engineering best practices
 * Collaborating closely with Product, Data, and QA teams to scope and deliver solutions
 * Improving platform performance, reliability, and software quality
 * Reducing technical debt and contributing to architectural improvements
 * Supporting the evolution of engineering processes, testing frameworks, and CI/CD practices