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Full Stack Developer

Haystack
Department:React Native
Type:REMOTE
Region:UK
Location:London, England, United Kingdom
Experience:Mid-Senior level
Salary:£55,000 - £60,000
Skills:
PHPREACTJAVASCRIPTCSS3HTML5MYSQLPOSTGRESQLRESTFUL APIGITDEVOPSSAAS
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Job Description

Posted on: March 22, 2026

Full Stack PHP/React Developer | Remote | £55,000 - £60,000 We're working with a leading enterprise SaaS platform that powers critical scheduling infrastructure for businesses across the UK on this exciting opportunity. This is a chance for a high-impact developer to join a stable, scaling environment where you will own features from end-to-end. You will be championing modern PHP practices and building high-performance UIs using React in a fully remote, collaborative culture that prioritises clean code and architectural excellence. The Role

  • Lead the development and deployment of robust backend features using modern PHP and the Slim4 framework.
  • Architect and maintain responsive, engaging user interfaces using React, JavaScript (ES6+), and modern CSS3/HTML5.
  • Design complex database schemas and write high-efficiency SQL queries for MySQL/PostgreSQL environments.
  • Collaborate directly with Product and Design teams to translate high-level requirements into scalable technical solutions.
  • Drive code quality through active participation in peer code reviews and architectural discussions within a remote-first team.

What You'll Need

  • Proven commercial experience as a Full Stack Developer with a heavy focus on modern PHP (7.4+) and MVC frameworks.
  • Strong professional experience building front-end applications with React; any exposure to React Native is a major plus.
  • Expert knowledge of RESTful API development and consumption to power a feature-rich SaaS product.
  • Deep proficiency with Git version control and modern DevOps workflows in a collaborative environment.
  • Full eligibility to work in the UK and current UK residency is essential for this role.

What's On Offer

  • A competitive salary of £55k - £60k with a well-established, stable company.
  • 100% remote working flexibility, giving you back your time and providing a true work-life balance.
  • The opportunity to work on a high-traffic SaaS platform used by a large UK-wide portfolio of clients.
  • A supportive, tech-first culture that encourages professional growth and technical mastery.

Apply via Haystack today!

Originally posted on LinkedIn

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