m
mdkarim456

Karim

@mdkarim456
4,9(58)

Level 2

QA Engineer, Penetration Tester and Website Security

Bangladesh
Anglais, Allemand, Français, Italien, Espagnol
Certaines informations sont présentées en anglais.
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.... Plus d’infos

Compétences

m
mdkarim456
Karim
14 $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
4,9(41)
Test de logiciels
I will do security testing for web applications and saas platforms
5,0(10)

Vous souhaitez travailler sur une base horaire ?

Dites à Karim ce dont vous avez besoin.

14 $US

/

heure

Portfolio

Expérience professionnelle

QA Engineer & Security Specialist

Fiverr Marketplace • Freelance

Jan 2025 - Present • 1 yr 8 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.

58 Avis
4,9

(55)
(3)
(0)
(0)
(0)
Détails de la notation
  • Niveau de communication avec le freelance
    5
  • Qualité de la livraison
    4,9
  • Valeur de la livraison
    4,9
1 à 5 avis sur 58
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Les plus pertinents
    K

    kendismann

    SE

    Suède

    5

    Excellent work on this QA project. Kendlsmann exceeded expectations with a genuinely thorough audit — 260 test cases across 12 modules, plus exploratory testing beyond the checklist that caught a real cross-account data leak and other high-impact bugs I wouldn't have found otherwise. Communication was...

    100 $US-200 $US

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    6 jours

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    Utile?
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    E

    ericmuria

    ES

    Espagne

    5

    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...

    200 $US-400 $US

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    8 jours

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    gig

    Test QA & Analyse

    Utile?
    Oui
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    I

    isabella_barros

    CH

    Suisse

    5

    Great experience working with this tester! They were thorough, reliable, and paid close attention to detail. They communicated clearly, provided useful and actionable feedback, and made sure to test everything carefully. Overall, very professional and easy to work with. I’d definitely recommend them and would be happy to work with them again.

    50 $US-100 $US

    Prix

    8 jours

    Durée

    gig

    Test QA & Analyse

    Utile?
    Oui
    Non
    O
    image-docs

    olilou

    HT

    Haïti

    Collaboration en cours
    5

    Karim did an outstanding job with the QA and penetration testing for my project! I’m extremely happy with the quality of his work and the care he put into the testing. Having someone take both functionality and security seriously gave me greater confidence in my project. I highly recommend Karim to...

    200 $US-400 $US

    Prix

    13 jours

    Durée

    gig

    Test de logiciels

    Utile?
    Oui
    Non
    J

    jhunderwood

    BB

    Barbade

    4,7

    Karim was a great partner for this project. His sound understanding of the assignment enabled him to provide valuable guidance beyond his actual terms of reference. I'm extremely appreciative.

    200 $US-400 $US

    Prix

    7 jours

    Durée

    gig

    Test QA & Analyse

    Utile?
    Oui
    Non