Istanbul, Istanbul, Türkiye
- Sole QA owner for Color Block Jam, a Rollic Games title that surged to #1 in the US iOS Free Games charts and consistently ranks in the top‑10 globally in the Puzzle category with 10M+ downloads on Android and 4.3+ ★ across 137K+ reviews - Creating the QA process from scratch across all releases and version updates - Established comprehensive regression and smoke test suites covering high-impact gameplay and monetization - Drove QA strategy for rapid release cycles in a fast-paced mobile gaming environment, balancing speed with thorough quality checks - Automated icon-only updates with tech team, freeing approximately 1 QA/game manager day per sprint (~10% resource gain) previously dedicated to manual validation - Managed the workflows, prioritizing and tracking QA tasks to maintain clear visibility and accountability - Initiated structured handover meetings for the features, reducing repeated bug loops and accelerating feature validation cycles - Started bug postmortem meetings to reduce similar incidents and learn from mistakes all together
- Established the QA function from the ground up in an early-stage game startup, serving as the Lead QA Engineer & Scrum Master for a new game - Designed and implemented complete QA processes, test documentation, and best practices that remained in use after departure, supporting sustainable team growth - Bridged communication between two distinct teams, aligning goals and fostering effective cross-functional collaboration using Scrum methodologies such as retrospectives, dailies, plannings and groomings - Accelerated project management by creating team backlogs on Jira; introducing clear prioritization, disciplined workflows, and actionable roadmaps - Provided mentorship to the junior QA team members, ensuring seamless onboarding and process adoption, prepared training sessions and case studies for their personal development - Created comprehensive documentation related to project management, agile and testing activities and processes still actively utilized by subsequent teams, enabling continued project success and sustainable quality assurance practices
• Created, maintained, and executed test documentation, ensuring comprehensive coverage and alignment with project requirements. • Collaborated with cross-functional, international Scrum teams, including Unity Developers, Back-end Developers, Tech Artists, Product Owners, Business Analysts, and TechOps. • Performed cross-platform manual testing on Android and iOS for Zen Match which is a Unity project including real-time events (liveops). • Executed API testing using Postman and Hoppscotch for backend validation. • Conducted functional, exploratory, smoke, integration, and regression testing to identify issues. • Managed defect tracking using Jira and error monitoring with Coralogix, collaborating with developers for timely resolution. • Investigated and debugged production issues, working closely with development teams. • Led release management, ensuring timely and stable deployments. • Led and coordinated beta testing across the company, collecting valuable feedback from more than 50 employees to improve product quality • Guided QA team on configuring and testing new projects, ensuring smooth onboarding of new features. • Validated the integrity and accuracy of analytics events in BigQuery, performing end-to-end verification of data flow, event consistency, and alignment with expected business metrics. • Supported Scrum Master role: • Managed project timelines, coordinating with development and testing teams for accurate estimates. • Communicated sprint progress, risks, and updates to leads, managers, and stakeholders. • Facilitated Daily Standups, Sprint Planning, Retrospectives, and Sprint Reviews to ensure productive meetings. • Led mid-sprint updates, addressing potential issues, delays, and reporting adjustments to management. • Tracked retrospective actions to drive continuous team process improvement.
• Worked as the sole Quality Assurance Engineer in a startup, responsible for creating and maintaining all test documentation including creating test data and test suites with detailed test cases, ensuring comprehensive coverage and alignment with product requirements for all features. • Performed cross-platform testing (web and mobile) to ensure seamless user experience. • Conducted API testing using Postman and functional, exploratory, smoke, integration, sanity and regression testing across both Android and iOS platforms; pinpointed critical bugs that drove a significant 40% reduction in production bugs. • Optimized regression testing cycle, reducing execution time by 40% through improved test case prioritization and execution strategies. • Collaborated directly with the product owner and user experience designer to support analysis and usability testing. • Identified and resolved critical defects and bugs before releases, leading to a %90 reduction in hot-fix releases. • Developed a comprehensive testing strategy, achieving an 85% reduction in defect turnaround. • Managed release schedules and coordinated the deployment process. • Supported Scrum Master or Product Owner when required. • Organised and facilitated beta testing sessions for the entire company, ensuring broad feedback, quality assurance, and on-time delivery.
• Sole QA for one of the mobile-oriented Scrum teams, ensuring product quality and stability. • Tracked software defects and implemented corrective actions working closely with developers and product owners. • Conducted functional, non-functional, regression and smoke testing. • Utilized Proxyman/Charles for network analysis and request manipulation. • Performed API testing with Postman and managed test cases in TestRail. • Provided training and mentorship to junior QA engineers, enhancing their skills in mobile testing, API validation, and defect management. • Organized a Scrum awareness session with a Scrum Master, leading to the decision to split the mobile team into smaller groups, reducing daily meeting times by 50% and boosting overall efficiency. • Collaborated with the team to develop and maintain mobile automation scripts for iOS & Android using Appium (Java, POM, TestNG). Actively managed version control with Sourcetree, handling branches, resolving merge conflicts and ensuring smooth integration of code changes. • Executed performance, load and stress tests with JMeter, optimizing for high-traffic events like Black Friday. Monitored errors via Grafana. • Led release management, ensuring smooth and timely deployments. • Led accessibility testing on iOS and Android, documenting findings and creating tasks to improve usability. Tested the app using VoiceOver gestures and integrated feedback from a visually impaired volunteer to drive accessibility enhancements. • Deployed backend code to production using Jenkins CI/CD pipelines, ensuring smooth, controlled releases through Kubernetes load balancing strategies, including pod switching and traffic redirection.