PHP Developer

About the Client: Our client is an international technology group headquartered in the United Kingdom, delivering sector-specific software solutions combined with integrated payment services for small and medium-sized businesses. The company focuses on developing modern digital tools that help organisations streamline operations, improve customer experiences, and enable seamless payment processing across multiple channels. By combining industry-focused software platforms with embedded payment capabilities, the organisation supports thousands of businesses in managing their day-to-day operations more efficiently. Their solutions are widely used in sectors such as retail, healthcare, hospitality, sports & leisure, and professional services. The company operates through a portfolio of specialised technology brands and works with distributed engineering teams across Europe. The development teams focus on building reliable, scalable, and secure payment integrations for modern e-commerce environments. We are looking for an experienced Senior PHP Developer to support the development of payment plugins for a modern payment platform used by businesses across multiple sectors. In this role, you will collaborate remotely with a UK-based engineering team and focus primarily on developing and maintaining e-commerce payment integrations. This is a part-time position (0.25 FTE) , equivalent to approximately 42 hours per month . Responsibilities Development and maintenance of payment plugins for an e-commerce payment platform Working mainly with WooCommerce (approx. 90%) and Magento (approx. 10%) integrations Improving and maintaining existing plugins and integrations Ensuring reliability, performance, and security of payment solutions Supporting testing and deployment processes across development, test, and production environments Collaborating with an international, distributed engineering team Requirements Strong and solid PHP development skills Commercial experience working with WooCommerce and Magento Good knowledge of HTML and JavaScript Experience with configuring and managing Dev / Test / Production environments Familiarity with on-premise infrastructure and cloud environments (preferably AWS) Experience in e-commerce systems or payment integrations will be a plus English at B2 level or higher Additional Information Workload: approx. 42 hours per month Contract: part-time (0.25 FTE) Location: fully remote Collaboration: international team based in the UK