Remote Senior Backend Developer

• Take a leading role in the development team, shaping the technical delivery of our projects and fostering collaboration and innovation
• Ensure the solutions we build are robust, scalable, and aligned with client goals
• Mentor and support team members, sharing knowledge and upskilling developers
• 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
• 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

Technologies:

• API
• Backend
• CI/CD
• Cloud
• Composer
• DevOps
• Docker
• Git
• GitHub
• GraphQL
• Hardware
• Support
• JavaScript
• LESS
• Linux
• Magento
• PHP
• PHPUnit
• Redis
• Slack
• Unix
• Web

• Advanced knowledge of Magento 2, PHP 8+, and GraphQL
• Good understanding of automated testing concepts and frameworks, including PHPUnit, integration tests, and API tests
• Good understanding of server administration on Linux/Unix and DevOps practices, including CI/CD and Docker
• Experience using Git for version control and team collaboration
• Experience with package managers, especially Composer
• Experience with GitHub, including pull requests and code reviews, is a plus
• Experience with CI/CD tooling and pipelines, specifically CircleCI, is a plus
• Experience writing and maintaining automated tests, including unit, integration, and functional tests, is a plus
• Experience with Adobe Commerce Cloud is a plus
• Knowledge of performance optimisation and caching, including Redis and Varnish, is a plus
• Experience with monitoring and logging tools is a plus
• Experience with Hyvä is a plus
• 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 learning and innovation
• Comfortable working in a remote-first environment using tools like Slack, Google Meets, and Loom
• Self-motivated and proactive in managing your workload
• Have a suitable working environment for remote work and productive collaboration
• Willing to travel occasionally for team and client meetings

JH is an e-commerce agency helping growth-oriented brands achieve their next strategic breakthrough. We specialise in building, maintaining, and enhancing online stores used by millions worldwide, and we work with notable clients across a range of markets and sectors, including Big Bus Tours, Graham and Green, and Woodies. Our work spans strategic consulting, design, development, support, and ongoing optimisation. This is a remote-first role with flexible hours, time banking, 31 days of annual leave for UK employees, support for professional development and home office setup, quarterly personal development plans, top-of-the-range hardware and software, and remote socials plus in-person events twice a year. We are considering candidates from the UK and EU only, and our hiring process typically takes less than two to three weeks.