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$
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Karim
@mdkarim456
Level 2
QA Engineer, Penetration Tester and Website Security
Bangladesch
Englisch, Deutsch, Französisch, Italienisch, Spanisch
Über mich
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.
Kompetenzen
Karim
14 $/Stunde
offline •
Durchschnittliche Antwortzeit: 1 Stunde
Meine Dienstleistungen
Qualitätssicherung
I will do manual QA testing for your website, web app, mobile app, saas, or software
Softwaretests
I will do security testing for web applications and saas platforms
Möchtest du auf Stundenbasis arbeiten?
Erzähle Karim, was du brauchst.
14 $
/
StundePortfolio
Arbeitserfahrung
QA Engineer & Security Specialist
Fiverr Marketplace • Freiberufler
Jan 2025 - Present • 1 yr 7 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 • Vollzeit
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 • Vollzeit
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.
47 Bewertungen
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signalum
Frankreich
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...
Antwort des Freelancers
Hilfreich?
pjcoorey231
Wiederkehrender Kunde
Australien
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,...
Antwort des Freelancers
Hilfreich?
olilou
Wiederkehrender Kunde
Haiti
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...
Antwort des Freelancers
Hilfreich?
olilou
Wiederkehrender Kunde
Haiti
I had a great experience working with Karim. He completed both security testing and QA testing for my project and did an excellent job. He was professional, detail oriented, and very thorough in identifying issues, checking functionality, and helping improve the overall quality and security of the platform. His...
Antwort des Freelancers
Hilfreich?
ericmuria
Spanien
Excellent QA work. Karim delivered an extremely thorough and well-structured test report — every bug included clear reproduction steps, expected vs. actual results, severity, and evidence (screenshots/videos), which made the fixing process fast and unambiguous. Great communication and responsiveness...
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