QA engineer (auto) in betting and gaming

Greencastle Digital is a forward-thinking company in the dynamic betting and gaming industry, with a new Development Centre in Belgrade. Our mission is to unite the brightest minds in digital technology, product development, customer experience, and marketing to deliver innovative solutions for clients across Europe. We are seeking an experienced Senior QA Automation Engineer to join our team in Belgrade.

• Design, develop, and maintain robust automated test frameworks using Selenium, Appium, TestNG, Cucumber (BDD), JUnit, NUnit and Sikuli with Java, as well as Playwright and ReqnRoll with C#.
• Develop and execute automated tests for RESTful APIs, ensuring comprehensive coverage and reliability.
• Define and implement comprehensive test strategies for both new and existing features across web, mobile, games and backend services.
• Integrate automated tests into CI/CD pipelines to enable rapid and reliable software delivery.
• Work closely with developers, product managers, and other QA engineers to ensure high-quality deliverables.
• Write clean, maintainable, and well-documented test code following industry best practices.
• Identify, document, and track defects through to resolution, ensuring root cause analysis and prevention.
• Guide and mentor junior QA engineers, fostering a culture of continuous improvement.
• Create and maintain technical documentation for automation frameworks, test cases, and processes.
• Stay updated with the latest trends and advancements in test automation and quality assurance.

• Minimum of 8-10 years of hands-on experience in QA automation.
• Strong proficiency in Selenium WebDriver, Appium, TestNG, and Sikuli using Java, as well as Playwright using C#.
• Solid understanding of BDD frameworks, including Cucumber and ReqnRoll, for BDD and test automation.
• Extensive experience in automating UI and API tests.
• Solid understanding of RESTful API testing tools and frameworks (e.g., RestAssured, Postman, or similar).
• Hands on Experience on Games Automation
• Familiarity with CI/CD tools (e.g., Jenkins, Azure DevOps, GitLab CI).
• Advanced knowledge of Java and C#/.NET for automation scripting.
• Experience with source control systems (e.g., Git).
• Familiar with Maven and .NET CLI commands for build, test, and project management tasks.
• Deep understanding of QA methodologies, test planning, and defect management.
• Experience working in agile development environments.
• Strong problem-solving abilities and attention to detail.
• Excellent communication and teamwork skills.

• Be part of a groundbreaking team in a newly established Development Centre.
• Opportunities for continuous learning and career advancement.
• Work in a supportive environment that values collaboration and innovation.
• Enjoy a hybrid work environment with a balance of remote and on-site collaboration.