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Top Black Box Testing freelancers

252 freelancers list Black Box Testing on Upwork.

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Showing 50 of 252Data updated Nov 7

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Freelancer
Since
1
Olesia T.
Olesia T. 🇺🇦

QA & Tester

$6k↑ 3%Jul 2013
2
Luca F.
Top Rated
Luca F. 🇮🇹

Senior Penetration Tester | Web, Mobile, API & LLM | SOC 2 | OSCP

$6k↑ 11%Aug 2016
3
Alexandru C.
Top Rated Plus
Alexandru C. 🇷🇴

Expert Manual Tester

$5k↑ 1%Feb 2011
4
Juliene Mae M.
Juliene Mae M. 🇵🇭

Software Quality Assurance Engineer

$5k↑ 3%Feb 2015
5
Sang M.
Top Rated Plus
Sang M. 🇻🇳

Software Testing Expert

$5k↑ 15%May 2016
6
Dmitry Y.
Dmitry Y. 🇺🇸

Experienced Software QA Engineer

$4k↑ 25%Oct 2016
7
khizra s.
Top Rated Plus
khizra s. 🇵🇰

Software Quality Assurance Engineer

≈$4k–Jul 2010
8
Dragan S.
Dragan S. 🇷🇸

QA Engineer

$4k↓ 14%Apr 2012
9
Sidra Madiha S.
Top Rated Plus
Sidra Madiha S. 🇵🇰

Senior QA Lead | QA Strategy, Test Ownership & Dedicated QA Support

$4k↓ 10%Aug 2016
10
Nazar K.
Top Rated Plus
Nazar K. 🇺🇦

QA Engineer, Automation QA, Business Analytic

$4k↑ 3%Nov 2019
FreelancerMRRMember since
11
Nayibi C L.
Top Rated Plus
Nayibi C L. 🇻🇪

Software Test Manager

$4k↑ 3%Jul 2014
12
Bilal A.
Top Rated
Bilal A. 🇵🇰

SQA Expert | Automation | Manual Testing | Playwright | Jira | Appium

$4k↑ 8%Jul 2025
13
Zatmar M.
Top Rated Plus
Zatmar M. 🇵🇰

Software Quality Assurance Engineer

$3k↑ 3%May 2011
14
Jovan I.
Jovan I. 🇷🇸

Penetration Tester | Cybersecurity Engineer | Ethical Hacker

≈$3k–Mar 2025
15
Lakshmi Sruthi P.
Lakshmi Sruthi P. 🇩🇪

Salesforce Developer and software tester

$3k↓ 1%Apr 2024
16
Yana P.
Yana P. 🇨🇦

Software QA | Manual tester | QA Analyst | Automation QA

$3k↓ 3%Jan 2022
17
-- Majid H.
Top Rated Plus
-- Majid H. 🇵🇰

Top-Rated Plus QA Eng manual &automation testing web, mobile & desktop

$2k↑ 4%Jan 2011
18
Arslan M.
Top Rated
Arslan M. 🇶🇦

Senior Penetration Tester | OSCP | CREST CRT

$2k↑ 5%Sep 2023
19
Saad K.
Top Rated Plus
Saad K. 🇵🇰

Quality Assurance Analyst (Manual Mobile, iOS, Android, Web Tester)

$2k↑ 3%Dec 2016
20
Clarisse Mae T.
Top Rated Plus
Clarisse Mae T. 🇵🇭

Software Quality Assurance Analyst

≈$2k–Mar 2019
FreelancerMRRMember since
21
Misbah I.
Top Rated
Misbah I. 🇵🇰

QA Engineer | Manual & Automation Testing Pro | Mobile & API Testing

$2k↑ 10%Jul 2025
22
Marina L.
Top Rated Plus
Marina L. 🇨🇦

ISTQB certified QA Engineer & Software Tester

$2k↑ 6%Oct 2016
23
Tehmina A.
Tehmina A. 🇵🇰

Software Quality Assurance Engineer

$2k↑ 3%Oct 2014
24
Ananya N.
Top Rated Plus
Ananya N. 🇮🇳

Software Tester & QA - Web App / Desktop App / Android App / iOS App

$2k0%Oct 2012
25
Deepak C.
Top Rated Plus
Deepak C. 🇮🇳

QA Engineer|Automation, Performance & API Testing|Selenium,DevOps, AWS

$2k↑ 2%Sep 2015
26
Anna K.
Top Rated
Anna K. 🇺🇸

Senior QA Engineer | Manual & Automation Testing | 15 Years Experience

$2k↓ 27%Oct 2012
27
Victor A.
Top Rated Plus
Victor A. 🇳🇬

QA Engineer | Web, Mobile, and Desktop app Tester

$2k↓ 2%May 2017
28
Illia K.
Top Rated Plus
Illia K. 🇺🇦 New

QA Engineer | Manual & API Testing | Web & Mobile Apps

$2k↓ 13%Jul 2026
29
Candela D.
Top Rated
Candela D. 🇮🇹 New

Software Test Engineer | AI Tester | Test Automation | Game Tester

$1k↑ 52%Apr 2026
30
Irina R.
Irina R. 🇲🇩

Senior QA Analyst

$1k↑ 2%Dec 2015
FreelancerMRRMember since
31
Umer A.
Top Rated Plus
Umer A. 🇵🇰

Project Manager | Quality Assurance | Native German speaker

$1k↓ 3%May 2016
32
PAPON CHANDRA S.
Top Rated Plus
PAPON CHANDRA S. 🇧🇩

Software QA Analyst | Web & Mobile Apps

$1k↑ 3%Aug 2012
33
Abhik K.
Top Rated Plus
Abhik K. 🇮🇳

Functional QA Tester highly focused on Improving Software Quality

$1k↓ 15%Apr 2010
34
Nabeel I.
Rising Talent
Nabeel I. 🇵🇰

Experienced QA Manual Tester | Web and Mobile Apps Testing Expert

$1k↑ 2%Sep 2018
35
Hamza M.
Top Rated Plus
Hamza M. 🇵🇰

Software Quality Assurance Engineer

$1k↑ 18%Feb 2016
36
Hoang Nhan L.
Top Rated
Hoang Nhan L. 🇻🇳

(CREST | OSCP Certified) Penetration Tester | CyberSecurity Consultant

$1k–Feb 2020
37
Sachin A.
Sachin A. 🇨🇦

AI Powered Test Engineer

$1k↑ 98%Jan 2015
38
Aleksey M.
Aleksey M. 🇺🇦

Senior QA tester

$997↓ 38%Apr 2016
39
Lester O.
Top Rated
Lester O. 🇰🇪

Penetration Tester | Web, Cloud, Mobile & Network Security

$939↑ 2%Aug 2017
40
Ahmed H.
Ahmed H. 🇪🇬

QA Engineer

$901↑ 8%Mar 2024
FreelancerMRRMember since
41
Emmanuel O.
Top Rated
Emmanuel O. 🇸🇪

Penetration Tester | Cybersecurity Expert | Technical Writer

$895↓ 2%Jul 2021
42
Rohit R.
Top Rated Plus
Rohit R. 🇮🇳

QA Engineer | Manual & Automated Testing | Experienced QA Expert

≈$878–Dec 2017
43
Rohan K.
Top Rated
Rohan K. 🇺🇸

Quality Assurance Tester - CTFL

$804↓ 21%Feb 2024
44
Usman S.
Top Rated
Usman S. 🇵🇰

QA Lead | AI Quality Engineer | API and Automation Testing

$784↑ 7%Jan 2024
45
Ariana C.
Rising Talent
Ariana C. 🇪🇸

QA Engineer | Automated Testing | API & Web Testing | Bug Reporting

$772–May 2023
46
Mahmoud A.
Top Rated
Mahmoud A. 🇪🇬

Senior QA Engineer/Tester

$761↑ 1%Jun 2018
47
Indrojit D.
Top Rated
Indrojit D. 🇧🇩

Cyber Investigator | Penetration Tester | Data Detective | Dark Web

$703↓ 20%Feb 2024
48
Vijayender S.
Top Rated
Vijayender S. 🇮🇳

QA Engineer | Manual & Automation Testing | Web Mobile & API Testing |

$670↑ 1%Aug 2017
49
Michele C.
Top Rated
Michele C. 🇮🇹

Senior Penetration Tester | Web, Cloud & Network Security

$643↓ 1%Feb 2025
50
Dmitrii T.
Top Rated
Dmitrii T. 🇬🇪

Senior Backend Developer, Team Lead

$642↑ 3%Oct 2016
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