Java Test Engineer (f/m/x)

Sii Ukraine LLC; Kraków; Hybrid; PLN 120,000 - 180,000; Full time

Job summary

Sii Ukraine LLC is seeking a Java Test Developer to join a project for a leading US fintech, working on mission-critical financial functionalities.

You will leverage Java, Selenide/Selenium for UI testing, Rest Assured for API testing, and Jenkins for CI/CD, with AI tools valued to optimize code and tests. This role offers a challenging next project with a strong team and opportunities to contribute to high-stake financial solutions.

Qualifications

• Experience developing automated tests for Java-based applications.
• Strong API testing expertise using Rest Assured or equivalent tools.
• Familiarity with CI/CD processes and Jenkins.

Responsibilities

• Develop and maintain automated UI tests with Selenide/Selenium.
• Design and implement API test suites for backend services.
• Collaborate with fintech team and leverage AI tools to improve testing efficiency.

Skills

Java

API testing

Tools

Selenide

Selenium

Rest Assured

Jenkins

Job description

Our team is looking for a Java Test Developer to join a project for a leading US fintech. You will have the opportunity to work on mission‑critical financial functionalities supporting an investment platform.

From a technical perspective, we use Java and Selenide/Selenium for UI testing, Rest Assured for API and backend testing, and Jenkins for CI/CD. API testing is a key part of the project, so solid experience in this area is highly valued.

We value forward‑thinking engineers. Experience using AI tools in your day‑to‑day development workflow (e.g., for code optimization, test generation, or overall efficiency) is highly appreciated and will be considered a strong asset.

If you are looking for an interesting and challenging next project with a great team —