Freelance QA Testers
Freelance QA Testers
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Jason Roos
New York, USA
Seasoned Founder and Product Manager
$10k+
Earned
1x
Hired
2
Followers
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Seasoned Founder and Product Manager
0
Wire Wallet
0
0
0
Glade AI
0
0
0
PARCREST
0
0
0
Dagger.io
0
0
QA Tester
(2)
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Aslam Zubair
Canada
Web, Mobile & Software QA | Elevating User Experience
$1k+
Earned
1x
Hired
14
Followers
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Web, Mobile & Software QA | Elevating User Experience
1
Mobile Game QA – Art Heist Puzzle (iOS & Android)
1
93
0
MetroQuest | Public Engagement
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26
0
Unicorn Solutions | Credit Management
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15
0
Virtusa | Digital Innovation Engineering
0
13
QA Tester
(4)
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Yash Dev
India
Mobile Engineer | Tech Consultant | Deputy Manager | UAE
$1k+
Earned
1x
Hired
5.0
Rating
20
Followers
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Mobile Engineer | Tech Consultant | Deputy Manager | UAE
0
Template based design tool | Mobile app
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13
0
Restaurant App
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20
0
Stock Trading App
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19
0
Brand Design & Digital Transformation in Concrete specialist
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10
QA Tester
(3)
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Ebenezer Adusah
Accra, Ghana
QA Tester | Ensuring High-Quality Software Releases
27
Followers
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QA Tester | Ensuring High-Quality Software Releases
0
Thank you ❤️❤️❤️
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30
2
Seven years of specialized expertise in software testing for complex web and mobile platforms. I transition Quality Assurance (QA) from a procedural checkpoint to a strategic, proactive function that intervenes early in the development lifecycle. My commitment to comprehensive validation is supported by a personal, multi-platform device lab, ensuring rigorous, real-world cross-platform compatibility and stability across Windows, macOS, Linux (Ubuntu), and diverse mobile operating systems prior to launch.
2
137
1
My stance, informed by over 7 years of specialized software testing experience across both web and mobile application platforms, is this: I don't wait for engineering to invite me to the table; I demonstrate the value of QA-driven design by embedding practical, risk-prioritized acceptance criteria right into the earliest stages. True shift-left is achieved through strategic empowerment and a proactive cultural intervention, independently of existing organizational silos. It's about leading the quality mindset change, not waiting for permission.
1
161
1
QA Tester
1
8
QA Tester
(5)
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Molka B
Tunis, Tunisia
AI & QA Automation Engineer | AI Bias Audit& Web/App Testing
New to Contra
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AI & QA Automation Engineer | AI Bias Audit& Web/App Testing
1
AI Bias Detection & Mitigation Tool for Hiring Models My role: AI/ML Engineer & Fairness Auditor Project description: AI Bias Detection and Mitigation Framework for Recruitment Systems. Built a complete, production-ready tool that: Detects gender, race, and age bias in hiring ML models Uses industry-standard fairness metrics (Disparate Impact, Demographic Parity, Equal Opportunity) Applies Reweighing mitigation (AIF360) → improves fairness while keeping accuracy loss < 2% Includes interactive Gradio demo for live testing Full business impact section + compliance notes (EEOC 4/5th rule, GDPR, EU AI Act)
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61
1
E-commerce Automation Framework My role : Test Automation Engineer (UI & API) Project description: Designed and developed a comprehensive automated testing framework for an e-commerce website. The framework covers UI automation using Selenium WebDriver and Pytest, alongside robust API testing to ensure backend reliability. It enables fast, repeatable test execution with detailed reporting to quickly identify issues.
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42
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AI-Powered QA Automation Suite My role: Senior QA Automation Engineer (Lead) Project description: AI-Powered QA Test Case Generator & Execution Dashboard is a comprehensive, enterprise-level quality assurance solution designed to bridge the gap between AI-driven test generation and robust execution reporting. The suite provides a full-cycle automation workflow: from creating test cases using GPT-4 from natural language user stories to executing them across API and UI layers, finishing with high-impact business metric analysis.
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59
1
Enterprise SaaS QA Automation: AI-Powered Testing & CI/CD My role : Senior QA Automation Engineer Project description: Architected and implemented comprehensive test automation framework for enterprise SaaS platform, achieving 92% API and 85% UI test coverage. Developed 230+ automated tests using Pytest and Selenium with Page Object Model design pattern. Integrated AI-powered test prioritization and flaky test detection achieving 95% accuracy. Implemented GitHub Actions CI/CD pipeline reducing regression testing from 2 days to 6 hours (75% reduction). Enabled daily releases while improving production defect detection by 82%. Technologies: Python, Pytest, Selenium WebDriver, GitHub Actions, Docker, Scikit-learn
1
25
QA Tester
(7)
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Heather Jayakusuma
Denpasar, Indonesia
Manual QA Software Tester | Business Analyst
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Manual QA Software Tester | Business Analyst
0
Indonesia Banking Application Testing
0
10
0
Noice Music App [Manual QA Tester]
0
14
0
BeADisciple LMS [Business Analyst]
0
8
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(2)
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Jamie Egbo
Enugu, Nigeria
Multiskilled Freelancer: Design, Edit, Test
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Multiskilled Freelancer: Design, Edit, Test
0
Testing Nigerian-made games
0
32
0
Did you know there is a Nigerian version of DOOM?
0
9
0
Celia App User Testing Report
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26
0
Apps I have reviewed as a User/QA tester
0
25
QA Tester
(8)
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Mustafo Rajaboev
Warsaw, Poland
QA Partner for Apps & Games | Manual Testing & Bug Triage
9
Followers
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QA Partner for Apps & Games | Manual Testing & Bug Triage
1
Mobile Game QA: Physics & Monetization Logic
1
1
1
Agile QA Partnership: Logic & UX Validation
1
0
1
Subscription Lifecycle State Audit and Error Detection
1
1
1
Critical KYC Compliance Defect: Santander Mobile Profile Update
1
2
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(4)
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