Senior Test Automation Engineer

Project overview

Who we are

Billennium is a global technology company with over 20 years of experience, delivering innovative IT solutions and services to international clients. We create an environment based on collaboration, knowledge sharing, and continuous development.

About the role

We are looking for an experienced Test Automation Engineer to join a long-term project implemented in a hybrid model in Warsaw. The key focus of the role will be E2E and API test automation using Playwright and TypeScript, test framework development, and independent test planning and execution.

Responsibilities

• Creating, updating, and running automated tests
• Developing and maintaining the automated test framework
• Planning the testing process and monitoring and reporting results
• Automating UI and API tests
• Close collaboration with developers, analysts, and testers
• Participating in requirements reviews and defining acceptance criteria according to the shift-left approach
• Code reviews of automated tests created by other team members
• Improving software quality by proposing and implementing own solutions
• Sharing knowledge and conducting internal automation workshops

Requirements

• Minimum 5 years of experience in test automation
• Very good knowledge of Playwright, including E2E tests, selectors, fixtures, and mocking
• Practical experience in creating tests in TypeScript, including typing, modules, and async/await
• Experience in UI test automation
• Experience in REST API testing
• Ability to create and maintain test frameworks, including project structure, Page Object Model, and reusable helpers
• Experience in independent test planning and execution
• Experience with the shift-left approach and requirements review
• Ability for analytical thinking and working with documentation
• Good work organization and attention to quality and timeliness
• English language at a minimum B2 level
• Fluent knowledge of Polish
• Willingness to work from the Warsaw office once a week, on Mondays
• Ability to provide a certificate of no criminal record
• Minimum secondary education, higher IT education preferred

Nice to have

What we offer

• Experience with Cypress, WebdriverIO, or Selenium
• Knowledge of Node.js, e.g., creating simple scripts, integrations, or mock services
• Basic knowledge of Docker and running tests in containers
• Experience with Grafana or Kibana in the context of error and log analysis
• Experience in conducting internal workshops or training sessions on automation
• Long-term cooperation on interesting technological projects
• Flexible employment forms: B2B or UoP
• Possibility of remote or hybrid work, depending on the project
• Private medical care
• Sports card and non-wage benefit package
• Access to training platforms and development programs
• Friendly work atmosphere and support from experienced experts
• Opportunity to participate in technological and community initiatives

Project details

• Start: flexible
• Remote: hybrid
• Location: Warszawa, -, PL
• Languages: Polish, English