Olga Sergieieva
TORONTO,Ontario
Summary
Senior Quality Assurance Analyst (Acting QA Lead) with ISTQB® Advanced Test Manager certification and 10+ years of experience across healthcare, SaaS, mobile, and legacy systems. Successfully introduced shift-left testing to catch critical defects earlier, reducing fix costs and production issues. Currently managing QA operations, mentoring team members, and coordinating testing across multiple releases to ensure quality and on-time delivery. Expert in risk-based testing, process improvement, and stakeholder communication with a proven ability to drive change and accelerate delivery.
Overview
10
10
years of professional experience
Work History
Senior Quality Assurance Analyst (Acting QA Lead)
Bright Health Solutions
Canada, BC
03.2023 - Current
- Led QA operations across 35+ releases annually with 100% on-time delivery, managing comprehensive testing cycles from planning through validation
- Pioneered shift-left testing implementation for CORE MOIS projects, enabling autonomous QA execution in feature branches and reducing development dependencies while lowering fix costs through early defect detection
- Managed QA team operations, including mentoring team members, conducting knowledge transfer sessions, and coordinating testing deliverables across multiple concurrent releases
- Collaborated with stakeholders on risk identification and mitigation strategies, successfully reducing production defects through proactive risk assessment and comprehensive testing approaches
- Established autonomous build generation process from feature branches, leveraging Git-flow expertise to expedite QA feedback cycles and enable independent testing execution
- Created and maintained comprehensive test documentation, including 234+ detailed bug reports, test plans, and SDLC documentation that serves as onboarding resource for new team members
- Coordinated cross-functional testing initiatives with development and product teams, ensuring seamless integration between test processes and release procedures while maintaining quality standards
Senior Quality Assurance Analyst
Silofit
Canada, QC
06.2022 - 03.2023
- Led and executed QA planning for 50+ releases across iOS, Android, and Web platforms, handling estimation, prioritization, and testing coordination for multi-platform initiatives
- Led and executed comprehensive cross-platform testing operations including verification of new features, regression testing, and post-release validation across mobile and web environments
- Developed independent build and testing workflows using Xcode and Git processes, enabling autonomous QA execution and reducing development team dependencies for verification activities
- Enhanced software quality through improved test processes, contributing to measurable reduction of production issues and strengthened overall product reliability
- Contributed technical expertise in design reviews, analyzing quality specifications and technical design documents while providing valuable feedback to development and product teams
- Provided stakeholder reporting and metrics analysis, delivering regular quality updates, progress assessments, and insights to support project decision-making
- Managed end-to-end testing activities across multiple platforms, maintaining consistent quality standards and ensuring release readiness across iOS, Android, and Web applications
Senior QA Engineer
Ciklum Digital
10.2021 - 06.2022
- Designed and executed test cases and checklists for quality assurance.
- Introduced improvements to scrum process to enhance team efficiency.
- Conducted functional testing and reported defects to ensure product reliability.
- Created comprehensive test strategy to improve quality processes and transparency.
- Documented git-flow to optimize verification activities and boost product quality.
- Facilitated knowledge transfer during onboarding of new team members.
- Developed and managed release plans, reducing regression testing effort and hotfix likelihood.
- Monitored project implementations to align with development plan for successful integration.
Key QA Engineer
Epam
10.2020 - 10.2021
- Executed functional testing for iOS and tvOS, along with defect reporting.
- Generated weekly quality assurance progress reports for stakeholders.
- Developed and executed comprehensive test cases and checklists.
- Facilitated sprint demo sessions to showcase project advancements.
- Co-authored pre-sales presentations to support business development efforts.
- Formulated a test strategy for video streaming app project.
Key QA Engineer
Nice Ltd
01.2020 - 10.2020
- Configured servers and installed systems to ensure optimal performance.
- Conducted API testing and end-to-end data comparison between server and client-side.
- Integrated new components and third-party platforms into existing systems.
- Reviewed and created high-level test plans for project requirements.
- Documented hotfix delivery guides to streamline support processes.
- Verified requirements for completeness, consistency, and testability to reduce defects.
- Reported defects efficiently to facilitate timely resolutions.
- Acted as technical Scrum master, leading stabilization sprint planning and environment preparation.
QA Engineer
Prezentor ApS
01.2016 - 01.2020
- Conducted application testing across desktop (Windows, Mac), iOS, and web platforms for cross-browser compatibility.
- Authored comprehensive test documentation, including detailed test cases and checklists.
- Investigated customer issues utilizing server data and Crashlytics logs.
- Managed tasks and bug reports effectively through Jira.
- Collaborated with product team to integrate CRM with Prezentor, developing requirements specification document.
- Contributed to b2b application project focused on sales and analytics through testing and documentation efforts.
Education
ISTQB Certified Tester - Advanced Level -Test Manager -
Certified tester: ISTQB-CTF -
Master of Accounting and Audit -
Vinnytsia National Agrarian University
Vinnytsia01.2006
Skills
- QA Strategy & Test Planning (Risk-based, Shift-left testing)
- Team Mentorship & Knowledge Transfer
- Cross-Functional Communication & Stakeholder Collaboration
- Release Readiness & Go/No-Go Decision Support
- Test Design & Execution (Functional, Regression, Exploratory, Integration)
- Cross-platform, Web & Mobile Testing (iOS, Android)
- Defect Management & Quality Metrics (Defect reporting, tracking, analysis)
- Test Documentation & Process Improvement
- Development & Testing: Xcode, Visual Studio Code, Chrome DevTools, TestFlight, Postman
- Version Control & CI/CD: Git, GitHub, Bitbucket, SourceTree, Jenkins, Bitrise, Bamboo
- Test Management: Jira, Zephyr, TestRail, Target Process
- Environment & Infrastructure: VRealize Automation, Windows Server, PowerShell
- Database & Analytics: SQL Server, MySQL, PostgreSQL, Google Analytics, Data Studio
- Network & Monitoring: Charles, Wireshark, Crashlytics, Youbora, RabbitMQ
- Agile & Git-Flow Methodologies (Scrum, Kanban)
- Environment Setup, Maintenance & Troubleshooting
- Documentation & Collaboration (Confluence, Atlassian Suite)
Timeline
Senior Quality Assurance Analyst (Acting QA Lead)
Bright Health Solutions
03.2023 - Current
Senior Quality Assurance Analyst
Silofit
06.2022 - 03.2023
Senior QA Engineer
Ciklum Digital
10.2021 - 06.2022
Key QA Engineer
Epam
10.2020 - 10.2021
Key QA Engineer
Nice Ltd
01.2020 - 10.2020
QA Engineer
Prezentor ApS
01.2016 - 01.2020
ISTQB Certified Tester - Advanced Level -Test Manager -
Certified tester: ISTQB-CTF -
Master of Accounting and Audit -
Vinnytsia National Agrarian University
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