CommerceTools Developer

We are looking for an experienced CommerceTools Developer to join our eCommerce / Digital Customer Experience Competency Center. You will have the opportunity to build scalable headless commerce solutions focusing on innovative platforms for international clients. Your tasks Design, develop, and maintain CommerceTools-based backend services using Java / Spring Boot Extend CommerceTools functionalities through custom extensions, webhooks, and event-driven services Implement scalable APIs and microservices to integrate CommerceTools with other systems Optimize backend communication via GraphQL and REST APIs, ensuring high performance and security Ensure robust system architecture with a focus on scalability, high-performance, and maintainability Set up and manage CI/CD pipelines for Java-based microservices Promote best engineering practices: code reviews, unit/integration testing automated testing, documentation, and monitoring Requirements Minimum 5 years of experience in developing Java-based applications, preferably in eCommerce domain Strong hands-on experience with CommerceTools (APIs, Merchant Center, product and catalog modeling) Solid understanding of microservices architecture, event-driven patterns, and serverless solutions Proven track record in headless commerce or composable commerce projects Experience with GraphQL and REST API development and integrations Proficiency in SQL & NoSQL databases Familiarity with Docker, Kubernetes, CI/CD pipelines, and cloud services Fluency in English (written and spoken) Residing in Poland required Nice to have CommerceTools certifications or previous enterprise-level implementations Experience with other eCommerce platforms