Lesia M

@lesiamaz
5.0(1)

Spotting bugs before they spot you

Ukraine
English
About me
Senior QA Engineer with 10+ years of experience testing web, mobile, desktop, API, and data-driven applications. I help teams find functional issues, edge cases, data inconsistencies, and risky product behavior before they reach users. My experience includes: - Manual, exploratory, regression, and end-to-end testing - Web and mobile application testing - API testing with Postman - SQL and backend data validation - Dashboard and business data verification - AI-powered feature testing and response validation - Clear bug reports, test cases, and risk-based test coverage... Read more

Skills

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lesiamaz
Lesia M
Offline • 
Average response time: 1 hour

See my services

Software Testing
I will test your ai chatbot or ai application for bugs and edge cases
5.0(1)
QA & Review
I will validate your dashboard data and find sql data inconsistencies

Portfolio

Work experience

Intent_Solutions ™

QA Engineer / QA Lead

Intent Solutions ™ • Full-time

May 2025 - Present • 1 yr 5 mos

Responsible for product quality across a web platform for online meetings, presentations, and collaboration. Key responsibilities: - Functional, regression, exploratory, acceptance, and end-to-end testing - Requirements analysis, risk-based testing, and edge-case coverage - API and backend validation using Postman, logs, DevTools, and SQL - Maintenance and improvement of automated regression tests in Testim - Performance testing scenario design with Artillery - Investigation of production-like issues, flaky tests, and inconsistent system behavior - AI feature testing, including validation of AI-powered functionality, responses, edge cases, and unexpected behavior - Test coverage review and release-readiness support - Mentoring junior QA engineers and improving QA processes - Collaboration with developers, product managers, clients, and distributed QA teams Tools: Jira, TestRail, Postman, SQL, DevTools, Testim, Artillery, Selenium, GitHub.

Newfire_Global Partners

QA Engineer

Newfire Global Partners • Full-time

Nov 2021 - Dec 2025 • 4 yrs 1 mo

Worked on healthcare web and mobile applications with a strong focus on backend data validation and data consistency. Key responsibilities: - End-to-end testing of web and mobile applications across iOS and Android - Validation of backend data using PostgreSQL queries, joins, and aggregations - Comparison of database values with Tableau dashboards and reports - Investigation of data mismatches, incorrect calculations, and business logic issues - Verification of data flows across application features and backend systems - Risk-based test design for complex healthcare workflows - Functional, regression, exploratory, and integration testing - Detailed defect reporting with expected vs actual results, logs, screenshots, and business impact - Collaboration with developers and product teams to clarify requirements and resolve data-related issues - Mentoring junior QA engineers and supporting onboarding Tools: PostgreSQL, SQL, Tableau, Jira, TestRail, Postman, DevTools.

DOU

QA roles

DOU • Full-time

Nov 2012 - Apr 2021 • 8 yrs 5 mos

Worked across travel, security, web, mobile, desktop, and browser-extension products. Key responsibilities: - Performed functional, regression, exploratory, and end-to-end testing - Tested web, mobile, desktop, and browser-extension applications - Analyzed requirements and business workflows - Performed frontend and backend validation - Created test plans, test cases, checklists, user guides, and test reports - Reported, tracked, verified, and analyzed defects through the full bug lifecycle - Supported release validation across different product configurations - Worked with travel, security, backup, antivirus, and browser-extension functionality - Supported clients and product teams during issue investigation and validation Skills: Manual Testing, Web Testing, Mobile Testing, Desktop Testing, Functional Testing, Regression Testing, Exploratory Testing, Test Documentation, Bug Reporting.

1 Reviews
5.0

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Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
1-1 out of 1 Reviews
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    nickultiself

    PL

    Poland

    5

    Great job, thanks!

    $50

    Price

    5 days

    Duration

    gig

    Software Testing

    Helpful?
    Yes
    No