October 3, 2026
Test Automation Engineer
Mid • On-site
Warsaw, MA, Poland
Quick Facts
Role: Test Automation Engineer
Focus: Manual-to-automation ramp-up, building a test framework, automating UI/frontend, backend, and integration tests for a microservices business application
Description
You will join a project developing a new business application based on a microservices architecture. Initially you will learn the system through manual testing, then create a test automation framework and expand automated tests for the frontend, backend, and integrations. You will also integrate automated tests into GitLab CI/CD and help analyze results and fix issues.
Responsibilities
Perform manual testing of the new application
Analyze functionality and select test cases for automation
Create and maintain a test automation framework
Prepare and maintain automated test scenarios
Automate UI tests in Java using Selenium
Test backend services, REST APIs, and integrations between systems
Verify data correctness and structure in JSON and XML
Validate data using SQL queries
Integrate automated tests into GitLab CI/CD pipelines
Analyze test results, report defects, and run retests
Collaborate with development, analytics, and business teams
Work in a Scrum-based team
Requirements
Minimum 2 years of test automation experience
Practical experience in both manual and automated testing
Very good Java knowledge and object-oriented fundamentals
Practical knowledge of Selenium, JUnit, and Maven
Experience building or extending a test framework
Experience testing REST APIs and system integrations
Knowledge of JSON and XML
Practical SQL and Git knowledge
Experience integrating tests into CI/CD processes
Knowledge of GitLab CI/CD or similar
Willingness to perform manual testing at the beginning of the project
Communicative English
Ability to work in a Scrum team
Benefits
Opportunity to grow from manual testing into building and expanding a full automation framework for a microservices application
Work within a Scrum team collaborating with development, analytics, and business stakeholders
Hands-on involvement across UI, backend/REST, and integration testing with CI/CD integration
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