Fullstack Entwickler (m/w/d)

Further development and scaling of our Shopify ecosystem with a focus on performance, stability, and user experience Concept, implementation, and analysis of A/B tests for optimizing conversion, user journey, and customer experience Development of modern Shopify themes, sections, and individual Liquid components based on Online Store 2.0 Building high-performance frontend solutions with a focus on Core Web Vitals, responsiveness, and maintainable code Development and optimization of integrations and automations with Workato as the central iPaaS platform Connection of Shopify to logistics, PIM, and finance systems including monitoring and error analysis Close collaboration with UX, marketing, e-commerce, and operations to implement data-driven optimizations Co-design of technical standards, architecture decisions, and efficient development processes in e-commerce Completed degree or equivalent qualification in the field of computer science, computer science, or a technical course of study Several years of experience in Shopify development, ideally in the D2C or e-commerce environment Very good knowledge of Liquid, JavaScript/TypeScript, and CSS as well as the Shopify ecosystem Experience with Shopify APIs (Admin, Storefront, GraphQL) Understanding of central Shopify processes such as checkout, payments, fulfillment, and B2B Experience with iPaaS or integration tools, ideally Workato or comparable solutions Secure handling of REST APIs, authentication, and API structures Structured, independent work with high quality standards Strong communication and team-oriented exchange with technical and non-technical stakeholders Very good German language skills in writing and speaking Would you like to join our team? Please apply via our online application form, stating your earliest possible start date and salary expectations. The position is available immediately. We look forward to your application. Most shoes are misconceived. Groundies does it differently. We develop shoes that feel natural, look good, and don't restrict the body. This hits a nerve: people want to move freely without compromise. What was once a niche is now becoming mainstream. And we are one of the brands that define this category. Groundies is not a classic shoe manufacturer. Groundies is a new way of thinking about how movement should feel. And that's exactly what we're building a team for, which wants to shape and is willing to redefine the status quo of the shoe industry.