Informacje o stanowisku

CommerceTools Developer

Technologies we use

• CommerceTools
• Java
• REST
• GraphQL
• Spring Boot

About the project

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 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

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

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

This is how we work on a project

• Continuous Deployment
• Continuous Integration

What we offer

• Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
• Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
• We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
• Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
• Comfortable workplace – class A offices or remote work
• Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
• PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
• Investment in your growth – meetups, webinars, training platform and technology blog – you choose
• Fantastic atmosphere created by all Sii Power People

Recruitment stages

• Send your CV
• Talk to us about your expectations
• Learn more about our projects and choose the best
• Start your adventure with Sii!

Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 500 professionals and implement projects in a variety of industries for clients from many countries around the world.

The Great Place to Work title, won 10 times in a row, proves that at Sii we create a friendly work environment.

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