Java Test Engineer (f/m/x)

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

Benefits offered by this job

Great Place to Work

Centre of internal trainings

Profit sharing

Medical care

Open and accessible management team

Job summary

Sii Poland is seeking a Java Test Developer to join a fintech project in Kraków. You will test mission-critical financial functionalities, using Java, Selenide/Selenium for UI, Rest Assured for API, and CI/CD with Jenkins. AI-assisted development tools are valued and encouraged.

The role involves UI and API test automation, collaboration with Developers and Business Analysts, and working with banking systems. Hybrid work setup is available, with 3 days in the Kraków office.

Qualifications

• At least 2 years of experience in test automation using Java.
• Fluent proficiency in both Polish and English.
• Experience and willingness to grow in technologies such as Java, Selenium (Selenide), Cucumber, Rest Assured, Git, and Jenkins.

Responsibilities

• Test automation of UI and API using Java, Selenide/Selenium, and Rest Assured.
• Testing a complex application with multiple integrated components.
• Working with internal banking systems, including workflow modules, calendars, and administrative panels.
• Code reviews and collaborative problem solving.
• Close collaboration with Developers and Business Analysts.

Skills

Java

Tools

Selenide

Selenium

Rest Assured

Git

Jenkins

Cucumber

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.

Your tasks

• Testing a complex application with multiple integrated components
• Test automation of UI and API using Java, Selenide/Selenium, and Rest Assured
• Working with internal banking systems, including workflow modules, calendars, and administrative panels
• Task‑oriented, project‑based mode (code reviews, collaborative problem‑solving)
• Close collaboration with team members, including Developers and Business Analysts
  

Requirements

• At least 2 years of experience in test automation using Java
• Fluent proficiency in both Polish and English
• Experience and willingness to grow in technologies such as Java, Selenium (Selenide), Cucumber, Rest Assured, Git, and Jenkins
• Availability for hybrid work — 3 days per week in the office in Kraków
• Residing in Poland required
  

Nice to have

• Previous work in banking projects
• Knowledge of tools like Cucumber, Jenkins, JMeter
• Experience incorporating AI tools into daily development workflow (e.g., for code optimization, test generation, or efficiency gains) is highly regarded
  

Job no. JOB-QNCG9

Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.

Benefits For You

• Great Place to Work
• Solid financial situation
• Contracts with the biggest brands
• Centre of internal trainings
• Many experts you can learn from
• Open and accessible management team
• Profit sharing
• Passion Sponsorship program
• Regular integration events and trips
• Comfortable and well-equipped offices
• MySii app
• Medical care