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mid/seniorFull-time · On-siteZagreb, Croatia

QA Engineer (Backend)

You will be responsible for planning, designing, and executing test cases for backend systems, ensuring products meet functional and non-functional requirements. Day-to-day work includes creating and maintaining test documentation, performing manual and automated testing, logging and tracking defects, and collaborating closely with developers, product managers, and designers to resolve issues.

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About the role

The role involves contributing to continuous improvement of QA processes, maintaining high quality standards, and supporting releases through regression testing and verification of fixes. You will also participate in sprint activities, provide clear feedback on product quality, and help refine acceptance criteria and technical specifications.

The stack & environment

Language & Framework

  • Java
  • Cucumber
  • BDD (Gherkin)

APIs & Data

  • Postman
  • REST Assured
  • Microservices architecture

Infrastructure

  • Cloud environments
  • CI/CD integration pipelines
  • Azure DevOps

The work

Automation

Design, build, and maintain automated backend integration tests using Java and Cucumber.

Strategy

Define and document practical test coverage guidelines (Smoke, Regression, and Sanity suites).

Environments

Manage and map out test execution across Dev, Staging, and Production environments.

Agile Lifecycle

Track, validate, and sign off on backend Azure DevOps tickets through each development phase.

Architecture Alignment

Work closely with senior backend developers to quickly map out data flows and domain architecture.

What you bring

  • Clear, hands-on experience writing automated tests in Java using BDD/Gherkin syntax.
  • Practical knowledge of REST API testing tools (Postman, REST Assured).
  • Familiarity with CI/CD integration pipelines and microservices.
  • Direct, no-nonsense communication — you can sync efficiently with developers to resolve issues and manage release dependencies without a middleman.

What we offer

  • A flat structure where your technical decisions matter and shape the product.
  • A professional environment built for engineers who want to focus on technical execution.
  • Salary based on technical ownership and experience.

Think you’re the right fit?

Send us your CV and anything else that gives us a clear picture of your experience.