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Français
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Karim
@mdkarim456
Level 2
QA Engineer, Penetration Tester and Website Security
Bangladesh
Anglais, Allemand, Français, Espagnol, Italien, Bengali
À propos de moi
Manual QA Tester & Cybersecurity Specialist helping startups, SaaS founders, and agencies launch secure, bug-free, and user-ready products. Specialized in Manual QA Testing, Functional Testing, End-to-End Testing, Workflow Testing, SaaS Testing, Web Application Testing, AI Chatbot Testing, AI Integration Validation, VAPT, Penetration Testing, and Vulnerability Assessment. Experienced testing AI-built apps and websites developed with Lovable, Bolt, Cursor, Replit, v0, and other modern AI development tools with detailed bug reporting and security validation. Focused on real-user experience.
Compétences
Karim
18 $US/heure
hors ligne •
Temps de réponse moyen de 1 heure
Voir mes services
Test QA & Analyse
I will do manual QA testing for your website, web app, mobile app, saas, or software
Test de logiciels
I will do security testing for web applications and saas platforms
Vous souhaitez travailler sur une base horaire ?
Dites à Karim ce dont vous avez besoin.
18 $US
/
heurePortfolio
Expérience professionnelle
QA Engineer & Security Specialist
Fiverr Marketplace • Freelance
Jan 2025 - Present • 1 yr 6 mos
Providing manual QA testing, website security testing, vulnerability assessments, and malware cleanup for global clients. Delivering structured bug reports, test cases, and detailed security findings.
QA Engineer & Website Security Specialist
WebPremium Solution • Temps plein
Jan 2023 - Dec 2024 • 1 yr 11 mos
Led QA processes, performed SaaS testing, mobile testing, API validation, malware removal, and WordPress security hardening. Delivered high-quality reports and ensured stable, secure product releases.
QA Engineer
Brain Station 23 • Temps plein
Jan 2021 - Dec 2022 • 1 yr 11 mos
Conducted functional, regression, exploratory, and API testing for large-scale enterprise products. Improved software reliability through detailed bug reports and structured test cases integrated into Agile workflows.
42 Avis
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Les plus pertinents
signalum
France
Karim delivered far beyond what was agreed in the scope. The original engagement was Functional QA on 11 categories plus FR/EN consistency. He executed 86 test cases across 13 categories, including a full Nielsen heuristics audit and a bonus accessibility scan that were not in the contract. The Nielsen...
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jamesscott229
Client récurrent
États-Unis
Karim did an outstanding job testing our Constructeams web application across multiple browsers and devices. He was extremely thorough in identifying bugs, performance issues, and edge-case failures that would have been very difficult to catch otherwise. His attention to detail and ability to clearly...
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jamesscott229
Client récurrent
États-Unis
Karim did an excellent job with QA testing for my web application, Constructeams. He was extremely thorough and detail-oriented, identifying bugs, edge cases, and performance issues that would have been very difficult to catch otherwise. His reports were clear, well-structured, and easy to follow, which...
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olilou
Client récurrent
Haïti
I had a great experience working with this freelancer. He performed a thorough QA test and penetration test for my platform and was very professional throughout the process. He was detail oriented, identified important bugs and vulnerabilities that could have caused serious issues later, and explained...
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pjcoorey231
Client récurrent
Australie
Working with this developer has been an outstanding experience from start to finish. They have been incredibly professional, responsive, and thorough, consistently going above and beyond to understand the project properly and deliver high-quality work. What stood out most was their attention to detail,...
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