m
mdkarim456

Karim

@mdkarim456
5,0(47)

Level 2

QA Engineer, Penetration Tester and Website Security

Bangladesh
Inglese, Tedesco, Francese, Italiano, Spagnolo
Alcune informazioni sono riportate in lingua inglese.
Chi sono
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.... Continua a leggere

Competenze

m
mdkarim456
Karim
14 USD/ora
offline • 
Tempo di risposta medio: 1 ora

Consulta i miei servizi

QA e revisione
I will do manual QA testing for your website, web app, mobile app, saas, or software
4,9(31)
Collaudo di software
I will do security testing for web applications and saas platforms
5,0(10)

Vuoi lavorare su base oraria?

Spiega a Karim cosa ti serve.

14 USD

/

ora

Portfolio

Esperienza lavorativa

QA Engineer & Security Specialist

Fiverr Marketplace • Freelance

Jan 2025 - Present1 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 • Full time

Jan 2023 - Dec 20241 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 • Full time

Jan 2021 - Dec 20221 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 Recensioni
5,0

(45)
(2)
(0)
(0)
(0)
Valutazione dettagliata
  • Livello di comunicazione del venditore
    5
  • Qualità della consegna
    4,9
  • Valore della consegna
    5
1-5 di 47 recensioni
Ordina per
Più rilevante
    S

    signalum

    FR

    Francia

    4,7

    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...

    100 USD-200 USD

    Prezzo

    12 giorni

    Tempo

    gig

    QA e revisione

    Utile?
    No
    P

    pjcoorey231

    Cliente abituale

    AU

    Australia

    5

    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,...

    200 USD-400 USD

    Prezzo

    5 giorni

    Tempo

    gig

    Collaudo di software

    Utile?
    No
    O
    image-docs

    olilou

    Cliente abituale

    HT

    Haiti

    5

    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...

    100 USD-200 USD

    Prezzo

    6 giorni

    Tempo

    gig

    Collaudo di software

    Utile?
    No
    O
    image-docs

    olilou

    Cliente abituale

    HT

    Haiti

    5

    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...

    50 USD-100 USD

    Prezzo

    4 giorni

    Tempo

    gig

    Collaudo di software

    Utile?
    No
    E

    ericmuria

    ES

    Spagna

    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...

    100 USD-200 USD

    Prezzo

    8 giorni

    Tempo

    gig

    QA e revisione

    Utile?
    No