Remote Senior Backend Entwickler*in

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. 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. 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. Optimise web applications for maximum speed and scalability. Take ownership of projects as the main developer, managing them from inception to completion. 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 DevOps (CI/CD, Docker) Experience writing and maintaining automated tests (unit tests, integration tests, functional tests) Knowledge of performance optimization and caching (Redis, Varnish) Experience with monitoring and logging tools Project Experience 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. Strong coaching and mentoring abilities. Highly organised with exceptional planning abilities. Remote readiness Comfortable working in a remote-first environment using tools like Slack, Google Meets, and Loom. Have a suitable working environment for remote work and productive collaboration. Willing to travel occasionally for team and client meetings. Remote working ~ Flexible hours (with time banking) ~31 days annual leave (inclusive of Bank Holidays) for UK employees ~ Funds for professional development and home office setup ~ Top-of-the-range hardware and software ~ Remote socials and in-person events (twice a year) Chat: We have an informal call with suitable candidates.