Requirements

Expected technologies

CommerceTools

Java

REST

GraphQL

Spring Boot

Our 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

Optional

• CommerceTools certifications or previous enterprise-level implementations
• Experience with other eCommerce platforms

Your responsibilities

• 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