Senior Test Automation Engineer .NET, Java, Playwright, Selenium Gdańsk, Gdynia

Diverse CG Sp. z o.o. Sp.k.; Town of Poland (NY); On-site; USD 80,000 - 110,000; Full time

Benefits offered by this job

Private medical care

Co-financing for the sports card

Continuous support from a dedicated consultant

Job summary

Diverse CG Sp. z o.o. Sp.k. is seeking a Senior Test Automation Engineer in Poland to lead and improve test automation practices. Responsibilities include defining the automation strategy, designing scalable frameworks, and mentoring team members.

Ideal candidates will have 4-5+ years in test automation with experience in UI and API testing using .NET or Java. The role requires leadership skills, CI/CD integration experience, and fluency in English, among other capabilities.

Benefits include medical care and sports card co-financing.

Qualifications

• 4-5+ years of hands-on experience in test automation for UI and API.
• Experience with .NET or Java.
• Practical experience with Selenium or Playwright.
• Strong understanding of automated testing frameworks.
• CI/CD integration experience (e.g., Bamboo, Jenkins).

Responsibilities

• Lead and mentor the test automation team.
• Define and evolve the test automation strategy.
• Design and maintain automation frameworks.
• Collaborate with development and infrastructure teams.
• Run feasibility assessments for automation.

Skills

Test automation best practices

UI and API test automation

Leadership and mentoring

CI/CD integration

Fluent English

Tools

.NET

Java

Selenium

Playwright

SQL

Git

Jira

Job description

Position: Senior Test Automation Engineer

As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for:

Senior Test Automation Engineer

Responsibilities:

• Lead, coach, and mentor in test automation best practices
• Define and evolve the team's test automation strategy, including roadmap, tooling, framework architecture, and quality gates
• Design, implement, maintain, and continuously improve scalable automation frameworks for UI and API testing
• Partner with Functional SMEs to define quality approaches, acceptance criteria, and risk‑based test coverage
• Integrate automated testing into CI/CD pipelines and collaborate closely with development and infrastructure teams
• Run automation feasibility assessments and recommend the right level of automation per feature
• Improve test coverage, execution speed, reliability, and diagnostics in a continuous improvement mindset
• Ensure proper handling of test data dependencies, environments, and cross‑system integration flows
• Collaborate effectively in an international, cross‑country setup and contribute to QA/test automation communities

Requirements:

• 4-5+ years of hands‑on experience in test automation (UI and API: REST/SOAP)
• 4-5+ years of experience with .NET (preferred) or Java
• Practical experience with Playwright or Selenium
• Strong understanding of test automation framework design and maintainable architecture patterns
• Experience with SQL and data validation for automated tests
• Experience with CI/CD integration (e.g., Bamboo/Jenkins/Azure DevOps or similar)
• Experience with Git‑based workflows (Bitbucket/GitHub/GitLab)
• Experience working with Jira in agile delivery environments
• Strong leadership, mentoring/coaching, communication, and problem‑solving skills
• Self‑driven, proactive, and able to work independently
• Fluent spoken and written English

Nice to have:

• Experience with Temenos T24
• Experience working in large, distributed enterprise test environments
• Practical experience with AI‑assisted coding tools (GitHub Copilot, ChatGPT, Claude, etc.) for test script generation, refactoring, and documentation
• Exposure to LLM‑based test automation techniques (e.g., generating locators, test data, or assertions from requirements)

Offer:

• Private medical care
• Co‑financing for the sports card
• Constant support of dedicated consultant