Senior QA Automation Engineer

Senior QA Automation Engineer This position requires strong technical expertise in automation, deep understanding of QA methodologies, and the ability to collaborate effectively with team members and stakeholders. Senior QA Automation Engineer Location: New Belgrade Work Pattern: Hybrid (Ideally 3 days a week on-site) Reports to: QA Lead About Greencastle Digital 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. About the Role We are seeking an experienced Senior QA Automation Engineer to join our team in Belgrade. In this role, you will play a pivotal part in ensuring the quality and reliability of our software solutions. You will work closely with cross-functional teams, architect and implement automated test frameworks, and drive best practices in test automation for both UI and API layers using Selenium, Java, .NET, and related technologies. This position requires strong technical expertise in automation, deep understanding of QA methodologies, and the ability to collaborate effectively with team members and stakeholders. Key Responsibilities Automation Framework Development: 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#. API Testing: Develop and execute automated tests for RESTful APIs, ensuring comprehensive coverage and reliability. Test Strategy & Execution: Define and implement comprehensive test strategies for both new and existing features across web, mobile, games and backend services. Continuous Integration: Integrate automated tests into CI/CD pipelines to enable rapid and reliable software delivery. Collaboration: Work closely with developers, product managers, and other QA engineers to ensure high-quality deliverables. Code Quality: Write clean, maintainable, and well-documented test code following industry best practices. Defect Management: Identify, document, and track defects through to resolution, ensuring root cause analysis and prevention. Mentorship: Guide and mentor junior QA engineers, fostering a culture of continuous improvement. Documentation: Create and maintain technical documentation for automation frameworks, test cases, and processes. Continuous Improvement: Stay updated with the latest trends and advancements in test automation and quality assurance. Required Qualifications Experience: Minimum of 8-10 years of hands-on experience in QA automation. Technical Expertise: 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). Coding Skills: 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. Testing Methodologies: Deep understanding of QA methodologies, test planning, and defect management. Experience working in agile development environments. Soft Skills: Strong problem-solving abilities and attention to detail. Excellent communication and teamwork skills. What We Offer Innovative Environment: Be part of a groundbreaking team in a newly established Development Centre. Professional Growth: Opportunities for continuous learning and career advancement. Collaborative Culture: Work in a supportive environment that values collaboration and innovation. Flexible Work Pattern: Enjoy a hybrid work environment with a balance of remote and on-site collaboration. How to Apply If you are passionate about quality, automation, and eager to contribute to innovative projects in a collaborative, fast-paced environment, we would love to hear from you! Please submit your resume and a cover letter detailing your relevant experience and why you are interested in joining Greencastle Digital. Department: Quality Assurance Locations: Belgrade Remote status: Hybrid Employment type: Full-time Welcome to Greencastle Digital – where technology meets innovation in the exciting world of betting and gaming. Join us to help shape the future of gaming and create unforgettable experiences for our global players and partners. Department Software Engineering Locations Beograd Remote status Hybrid Employment type Full-time About Greencastle Digital Welcome to Greencastle Digital – where technology meets innovation in the exciting world of betting and gaming. Based in Belgrade, Serbia, we bring together talented people from all areas of digital tech, product development, customer experience, and marketing to create cutting-edge solutions. At Greencastle Digital, it’s not just about building great technology – it’s about shaping the future of gaming and creating unforgettable experiences for our global players and partners. Whether you’re working on groundbreaking tech, designing immersive games, or crafting customer-first solutions, you’ll be part of a dynamic, collaborative team where creativity and fresh ideas are always welcome. Founded in 2024 Coworkers 75