Find the World's Best Black Box Testing Freelancers

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Kanstantsin H. - QA Engineer, Professional Tester

Kanstantsin H.

QA Engineer, Professional Tester

$14/hr
522 hours
Belarus
100% JOB SUCCESS
“Kanstantsin was a pleasure to work with, excellent communication and work ethic. Would definitely hire him again.”
  • Software Testing
  • HTML5
  • CSS3
Kostiantyn K. - Software QA Engineer

Kostiantyn K.

Software QA Engineer

$15.11/hr
4,117 hours
Ukraine
100% JOB SUCCESS
“Good job testing. Thanks!”
  • Software QA Testing
  • Java
Amio K. - Rockstar Manual QA Tester (Web & Mobile)

Amio K.

Rockstar Manual QA Tester (Web & Mobile)

$11.11/hr
6,192 hours
Bangladesh
100% JOB SUCCESS
“well done”
  • Software Testing
Subradeb S. - SQA Engineer

Subradeb S.

SQA Engineer

$5.56/hr
661 hours
Bangladesh
100% JOB SUCCESS
“Suvradev Sarkar has done a great job and on time. I highly recommend him for any future job, very professional contractor. Thank you! Job completed successfully!”
  • Black Box Testing
  • Selenium
Imtiaz A. - Software QA Engineer

Imtiaz A.

Software QA Engineer

$7.78/hr
540 hours
Bangladesh
100% JOB SUCCESS
“Imtiaz Ahmed is professional, fast, and efficient. I can not recommend him enough.”
  • Manual Test Execution
Manoj S. - Software QA / Testing expert

Manoj S.

Software QA / Testing expert

$10/hr
514 hours
India
100% JOB SUCCESS
“nice work.”
  • Manual Test Execution
Valerii C. - QA Engineer/Mobile QA Engineer

Valerii C.

QA Engineer/Mobile QA Engineer

$11.11/hr
557 hours
Ukraine
89% JOB SUCCESS
“great experience. responsive, professional. will hire again in future. thanks.”
  • Black Box Testing
Asad Z. - Software QA Engineer Expert Functional Tester

Asad Z.

Software QA Engineer Expert Functional Tester

$8.89/hr
2,223 hours
Pakistan
87% JOB SUCCESS
“Great defect report and delivery within schedule. Hope to work again in the future with Asad.”
  • Software Testing
Andrei O. - iOS developer

Andrei O.

iOS developer

$32/hr
371 hours
Russia
100% JOB SUCCESS
“Andrei is one of the best freelancers who I have ever worked with on Upwork. He's extremely knowledgeable in the areas of iOS development. Andrei thought through some UX and UI...”
  • iOS Development
  • Swift
  • REST
Aleksandra T. - Experienced QA Engineer/Software Tester

Aleksandra T.

Experienced QA Engineer/Software Tester

$11.11/hr
1,178 hours
Ukraine
100% JOB SUCCESS
“Thanks alot, great hard worker”
  • Software QA Testing
  • SQL
David N. - Concept Artist, Illustrator

David N.

Concept Artist, Illustrator

$22.22/hr
0 hours
United States
100% JOB SUCCESS
“David is a fantastic individual to work with. He's professional, courteous, and very helpful, even going above and beyond what I asked for. He is very good at drawing weapons or...”
  • Corel Painter
  • Illustration

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