Remote Senior Backend Developer

We’re looking for an experienced Magento backend developer to help lead the delivery of high-quality e-commerce solutions and mentor a growing team.

JH is an e-commerce agency dedicated to helping growth-orientated brands make their next strategic breakthrough. We specialise in building, maintaining, and enhancing online stores enjoyed by millions worldwide. We work with notable clients across various markets and sectors, like Big Bus Tours, Graham and Green, and Woodies. Our clients share a common trait: the drive to innovate or lead their markets.

We support their goals through strategic consulting, design, development, support, and ongoing optimisation.

You’ll take a leading role in the development team, shaping the technical delivery of our projects and fostering an environment of collaboration and innovation. Your deep expertise in Magento, PHP, and backend technologies will ensure the solutions we build are robust, scalable, and aligned with client goals. Additionally, you’ll play a key part in mentoring and supporting team members, sharing knowledge, and upskilling the next generation of developers.

You’ll be responsible for crafting and maintaining high-quality, scalable code while ensuring alignment with project requirements.

• Write clean, efficient, and scalable code in PHP (with basic JavaScript capabilities).
• Lead the setup of new Magento projects, including version control and environment deployment.
• Deliver advanced coding solutions with Magento, PHP, and GraphQL.
• Troubleshoot and debug code effectively to resolve issues.
• Optimise web applications for maximum speed and scalability.
• Collaborate with cross-functional teams to scope, quote, and plan technical deliverables.

You’ll set an example for excellence in backend development and support the growth of the team.

• Coach and mentor less experienced developers to enhance their skills.
• Take ownership of projects as the main developer, managing them from inception to completion.
• Play a leading role in scoping and preparatory work, providing technical expertise and input.
• Create and maintain technical documentation for internal and client use.

• Keep up-to-date with the latest backend development tools and technologies.
• Advocate for and implement modern development standards and techniques.
• Support test work across multiple devices, ensuring compatibility and usability.

• Advanced knowledge of Magento 2, PHP 8+, and GraphQL
• Good understanding of automated testing concepts and frameworks (PHPUnit, integration tests, API tests)
• Good understanding of server administration (Linux/Unix) and Dev Ops (CI/CD, Docker)
• Experience using Git for version control and team collaboration
• Experience with package managers (Composer)

• Experience with Git Hub (version control, pull requests, code reviews)
• Experience with CI/CD tooling and pipelines, specifically CircleCI
• Experience writing and maintaining automated tests (unit tests, integration tests, functional tests)
• Experience with Adobe Commerce Cloud
• Knowledge of performance optimization and caching (Redis, Varnish)
• Experience with monitoring and logging tools
• Experience with Hyvä

• Proven ability to deliver high-quality backend solutions for e-commerce platforms.
• Experience managing and maintaining projects as the main developer.
• Ability to independently set up and deploy Magento projects from scratch.
• Familiarity with gathering and implementing user feedback to enhance solutions.

• Excellent communication and interpersonal skills.
• Strong coaching and mentoring abilities.
• Skilled at managing stakeholders and providing clear, engaging updates.
• Highly organised with exceptional planning abilities.
• Resilient under pressure with a passion for…