SERGEY CHIGAK

As a member of the Game Server Core owned QA processes for Style UI, a key project powering graphical processing and rendering in the game. I had the following QA responsibilities:

• Developed automated UI and end-to-end tests using JS/Playwright, covering core web gameplay up to 90%
• Designed and maintained CI/CD pipelines via Jenkins with automated smoke, regression, and nightly runs, including video/log artifacts and flaky-test detection.
• Collaborated with backend, DevOps, and art teams to ensure consistent quality and performance of game server and rendering pipelines.
• Conducting technical QA interviews
• Developed high-level testing documentation (Test strategies, test plans, etc.)
• Collaborated with international backend, DevOps and art teams to ensure consistent quality and performance of game server during release activities.

As a part of a product-dedicated team I am responsible for the developing and launching brand-new Dyson OnTrack headphones from scratch. In this role I have the following QA responsibilities:

• Developed and launched Dyson OnTrack headphones, ensuring high-quality standards throughout the process.
• Led QA engineers, delivering major software projects on time and within budget.
• Established comprehensive QA processes and documentation for Krakow office, enhancing testing strategies.
• Increased test automation coverage for MyDyson app to 90%, optimizing team efficiency.
• Collaborated with international teams in UK and Singapore to maintain quality across the software development lifecycle.
• Conducted technical QA interviews and ran onboarding activities and materials for new QAs on other Krakow teams.

As a part of the Lyft company and a member of a mapping department I was responsible for the testing and launching Lyft internal tool used for map editing. We built a tool based on Openstreet maps which provided user many options to interact with maps - add street signs, edit roads and many more. As a single QA in dedicated team I worked closely with developers and product owners to provide test coverage on best level possible. In this role, I have the following QA responsibilities:

• Taking ownership of quality processes for complex Lyft map editing tool build from scratch
• Testing of Lyft mapmaking web tools, including Single Page Applications (SPA) built with React
• Building test automation framework from scratch via Cypress/JavaScript tech stack
• Front-end unit testing using the Jest framework
• Testing of mobile applications, primarily on iOS platform
• Conducting technical QA interviews
• Managing production releases
• Providing mentorship for junior QA on the team
• API testing
• Developing high-level test documentation, such as Test Strategy and Test Plan
• Developing low-level test documentation, such as Test Cases and Check lists

I was a part of the French betting company and a member of a dedicated team responsible for the Betclic project. In this role, I had the following QA responsibilities:

• Conducted manual testing of web applications
• Conducted manual testing of mobile applications
• Executed regression and new-feature testing
• Conducted cross-browser testing
• Developed testing documentation
• Participated in Scrum activities as part of an agile team 2. At Coople, a Swiss company that helps people find part-time gigs, I was responsible for the following QA activities:
• Conducted manual testing of web applications
• Conducted manual testing of mobile applications
• Automated APIs using Java
• Tested APIs using Swagger
• Developed test plans and test designs

• Performed manual testing of various components of the application, ensuring that all requirements were met
• Developed and executed comprehensive regression tests cases and check lists to ensure existing functionality was not affected by new changes
• Developed low-level testing documentation, such as test cases, checklists and bug reports
• Conducted specification testing