Remote Crystallize Developer Frontend & Backend (Contract)

We are currently looking for multiple Crystallize (Headless Commerce) Developers in different roles for one of the leading tech companies in Europe. The position is 100% remote and long-term. Roles Crystallize Frontend Developer Crystallize Backend Developer Quick Facts Freelancing/Contracting Start: ASAP 100% remote Duration: long-term 12+ months Capacity: full-time, part-time also possible Language: English (no German needed) German business hours Requirements (Crystallize Frontend Developer) Practical experience with Crystallize Headless Commerce, especially in consuming product and content data via GraphQL. Knowledge of frontend development in a headless commerce context using JavaScript and TypeScript. Familiarity with GraphQL for querying Crystallize APIs and managing dynamic content rendering. Experience with React or Next.js is a plus, particularly for building performant, SEO-friendly commerce frontends. Understanding of responsive design, accessibility, and frontend performance optimization. Ability to work in an API-first development environment and integrate closely with backend services. Requirements (Crystallize Backend Developer) Experience integrating and extending Crystallize as a backend service, including product catalog management, orders, and subscriptions. Proficiency in JavaScript, TypeScript, and Node.js for building middleware, APIs, or backend services. Knowledge of GraphQL, including schema design, resolvers, and interfacing with Crystallizes APIs. Ability to model content and commerce data structures within Crystallize and support frontend teams with optimized data access. Familiarity with serverless functions, webhook-based workflows, and event-driven integrations is a plus. Capable of designing scalable, maintainable backend systems in a modern, headless commerce stack. #J-18808-Ljbffr