PHP Full Stack Software Engineer - Supply Chain / Sustainability in London

We are seeking a UK-based PHP Full Stack Software Engineer to support the continued growth of our sustainability and digital learning platforms. You will be a hands-on developer who enjoys building modern, responsive user experiences, writing clean, scalable code, and collaborating closely with designers and cross-functional teams. This is an opportunity to contribute to platforms that deliver meaningful impact at scale, improving the learning experience for thousands of users.

The Role at a Glance:

• Location: Old Street, London / Hybrid Working / 1 day a week in the office
• Salary: GBP70,000 - GBP80,000
• Benefits: 8% employer pension contribution, mental health support, fitness allowance, enhanced maternity/paternity pay, volunteer days, and more
• Type: Permanent - Full Time
• Product / Service: Sustainability Consultancy; Training & Events
• Culture: Close knit, small and agile company, flat hierarchy, direct communication with director and hiring managers alike
• Closing Date: 22nd May

About the Role:

This is a hands-on development role focused on delivering high-quality front-end experiences alongside robust PHP-based functionality. You will work closely with designers and stakeholders to bring user experiences to life, while contributing to the ongoing development and optimisation of our Moodle-based platforms. We make extensive use of AI-assisted development tools and are continuing to expand this across the team, so you will play a part in shaping how these are used effectively.

Key Responsibilities:

• Collaborate with designers to translate detailed front-end specifications into high-quality web pages, building modern, responsive interfaces that enhance user experience.
• Write clean, reusable code across both front-end and PHP components, while contributing to code reviews and supporting other developers where needed.
• Take ownership of software quality, ensuring best practices are followed across development, testing, and performance optimisation, including writing and maintaining unit and Behat tests.
• Troubleshoot issues and optimise applications to ensure performance, scalability, and reliability across platforms.
• Ensure systems meet accessibility standards, GDPR requirements, and data protection best practices, while supporting QA processes and maintaining data integrity.
• Work as part of a cross-functional team alongside engineers, product designers, and product managers, contributing to all stages of the agile development lifecycle.
• Engage with wider stakeholders including Learning Technologists, Sustainability Consultants, and Designers, providing technical guidance and translating requirements into effective solutions.
• Stay up to date with modern front-end technologies, particularly HTML, CSS, and JavaScript, and proactively suggest improvements to user experience and development practices.
• Contribute to the evolution of AI-assisted development within the team, helping to identify opportunities for efficiency and quality improvements.

Essential Requirements:

• You must have UK work authorisation and strong English communication skills, alongside 3-5 years of commercial front-end development experience.
• You will bring strong technical capability across HTML, CSS3, and JavaScript, with experience working with relational databases such as MySQL or PostgreSQL, and confidence using Git for version control.
• Experience with Bootstrap, Ajax, and jQuery is important, alongside a solid understanding of writing optimised, maintainable code.
• You are a strong problem-solver who can optimise code and troubleshoot effectively.
• You communicate clearly, work well with others, and are comfortable managing multiple priorities in a collaborative environment.

Professional Skills:

• You are a strong problem-solver who can optimise code and troubleshoot effectively.
• You communicate clearly, work well with others, and are comfortable managing multiple priorities in a collaborative environment.

Desirable Skills:

• Experience with Moodle would be highly beneficial, along with familiarity with Docker, cloud platforms, CI/CD pipelines, and Linux environments.
• Knowledge of authentication protocols, WordPress, or additional programming languages would be advantageous, as would any exposure to AI-assisted coding tools or project management practices.

What’s on Offer:

• A competitive salary of GBP70,000 - GBP80,000
• 25 days + 8 statutory holidays, plus an extra day for your birthday
• Hybrid working
• 8% employer pension contribution
• Profit share scheme and discretionary bonus
• Fitness allowance
• Enhanced maternity/paternity pay and childcare schemes
• Volunteer days
• Access to our vibrant Old Street office with lounge, café bar, gym, and rooftop terrace
• Ongoing professional development tailored to your career goals

Apply today and be part of a team using technology to drive real-world sustainability impact.