Senior Platform Engineer (Checkout & Payments, PHP / AWS)

Requirements

• You have solid professional experience with PHP, ideally within the Symfony ecosystem, and are motivated to help shape the architecture of PHP applications
• You have experience developing and operating PHP applications on AWS and are familiar with services such as EC2 and S3
• You have a deep understanding of asynchronous architectures and have worked with queues and workers
• You are familiar with non-relational databases such as DynamoDB and know how to effectively integrate them into scalable systems
• You have experience with Infrastructure as Code (IaC) and CI/CD pipelines and use these technologies to optimize infrastructure and software delivery
• Ideally, you have experience with payment processing and security standards such as PCI‑DSS
• You enjoy working in agile, cross‑functional teams and can clearly and effectively communicate your expertise
• Comfortable communication in English is natural for you, and you thrive in an international, “English First” environment

What the job involves

• Join our Checkout & Payment team and actively shape the technological foundation of this core component of our eCommerce system. As a Platform Engineer, you will be responsible for the stable, scalable, and secure operation of our PHP-based applications on AWS and continuously develop our cloud and infrastructure standards
• This position can be filled on-site, hybrid, or full‑remote within Germany or specific European countries where we are registered. Your work location will be agreed upon in advance and will form the basis of your employment contract
• Optimize checkout systems: You will develop and improve our checkout process – from customer registration and payment processing to order management
• PHP on AWS: You will operate and deploy PHP applications on AWS, ensuring scalability and high availability that meet our e‑commerce requirements
• Maintain highly available systems: In collaboration with our Service Enablement team, you will implement and optimise mechanisms for asynchronous processing, including retry and failover strategies. You will also ensure system observability and monitoring using services such as Datadog and OpenTelemetry
• Security & performance: You constantly challenge the status quo, optimise system performance, and address bugs and security vulnerabilities
• Agile work: You work with agile development methodologies (Scrum/Kanban) and tools such as GitHub, Slack, and Confluence to ensure efficient and transparent collaboration
• Quality & open source: You independently test your software (unit/functional/E2E), conduct code reviews, and support the open source community with your expertise. Your contributions improve the quality and reliability of the Shopware Core and services