Senior Full-Stack Developer

• Plan, architect, and develop Shopify apps, plugins, and API integrations
• Full-stack development with React, Next.js, Node.js, Express, and TypeScript
• Integrate third-party systems such as ERP, payment, CRM, and logistics platforms via REST and GraphQL interfaces
• Ensure performance, code quality, and scalability
• Build responsive and accessible UI components
• Conduct code reviews, unit, integration, and end-to-end testing, as well as debugging
• Build and maintain CI/CD pipelines and technical documentation
• Work closely with Design, Product, and QA teams
• Mentor junior developers and help shape the technical roadmap

• At least 5 years of experience in full-stack development
• Advanced knowledge of JavaScript, TypeScript, React, Next.js, Node.js, and Express
• Solid expertise in working with databases such as MongoDB, PostgreSQL, or MySQL
• Experience with Git, CI/CD, Docker, and modern DevOps workflows
• Understanding of UX/UI, API design, security (OAuth, JWT, CORS), and performance optimization
• (Optional) Experience with Shopify app development, including Polaris, webhooks, OAuth, and the GraphQL API
• Independent, structured, and solution-oriented approach to work
• Enjoy working in a team, exchanging technical knowledge, and taking responsibility
• Native-level German and good written and spoken English

• 30 days of annual leave
• Birthday and Christmas Day off
• Maximum ownership and trust
• Motivated team and high-performance environment
• Flat hierarchies with short decision-making paths
• 100% remote
• Team events and off-sites
• Premium Apple hardware
• Performance-based commission in addition to the fixed salary