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Yerkezhan Kenzhebekkyzy
Open to opportunitiesData Quality Tester
I improve software quality through SQL analysis, functional testing, and clear business requirements.
KazakhstanData Quality Tester at Epam Kazakhstan
About
I've supported software quality and data reporting at EPAM Kazakhstan, developing SQL queries, improving stored procedures, preparing test documentation, and managing work in Jira.
At Andersen, I translated stakeholder needs into functional specifications, user stories, use cases, and acceptance criteria for a fintech banking application. I also performed functional, UI, GUI, and cross-browser testing, creating checklists, test cases, and defect reports.
At Yandex, I resolved customer technical issues, verified payments and transfers, processed returns, and documented bugs for developers. I bring experience across data quality, QA, business analysis, and technical support.
Experience
Data Quality Tester
Developed and maintained SQL queries for reporting and analytics. Reviewed and improved stored procedures, managed task backlog using JIRA, and prepared test documentation.
SQLMS SQL ServerJiraData Analysis
Business Analyst
Collected and analyzed business requirements from stakeholders, conducted workshops and interviews, and translated requirements into functional specifications for development teams.
Business AnalysisRequirements GatheringStakeholder ManagementFunctional SpecificationsUser Stories
Technical Support Specialist
Processed returns, resolved customer inquiries, and verified payments. Created tickets for developers and communicated with clients on technical issues.
Education
Karaganda State Technical University
Pursued higher education in Computer Engineering and Software, focusing on information and communication technologies.