Currency

CommerceTools Developer

Java

CommerceTools Developer

Java

-, Rzeszów +13 Locations

Sii

Full-time
Permanent
Senior
Remote

Tech stack

    English

    B2

    CI/CD

    regular

    Docker

    regular

    CommerceTools

    regular

    REST API

    regular

    Kubernetes

    regular

    Java

    regular

    SQL

    regular

    GraphQL

    regular

    NoSQL

    regular

Job description

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

Tech stack

    English

    B2

    CI/CD

    regular

    Docker

    regular

    CommerceTools

    regular

    REST API

    regular

    Kubernetes

    regular

    Java

    regular

    SQL

    regular

    GraphQL

    regular

    NoSQL

    regular

Office location

Published: 10.10.2025

About the company

Sii

Sii Polska to czołowy dostawca doradztwa technologicznego, transformacji cyfrowej oraz usług biznesowych i inżynieryjnych. Firma obecna jest na rynku od 2006 roku, zatrudnia ponad 7 300 ekspertów, jedenastokrotnie zdobył...

Company profile

CommerceTools Developer

Summary of the offer

CommerceTools Developer

-, Rzeszów

Sii

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