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Find the World's Best Data Science Freelancers

Upwork is the leading online workplace, home to thousands of top-rated freelancers. It’s simple to post your job and get personalized bids, or browse Upwork for amazing talent ready to work on your Data Science project today.

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Olivier D. - Data Scientist with Expertise in Analysis and Visualizations

Olivier D.

Data Scientist with Expertise in Analysis and Visualizations

$55/hr
853 hours
Canada
100% JOB SUCCESS
  • Analytics
  • Google Analytics
Igor P. - Expert Software Developer/Data Scientist

Igor P.

Expert Software Developer/Data Scientist

$36/hr
8,078 hours
Russia
98% JOB SUCCESS
“Igor is very smart. We had to pause this contract since detailed workload estimation together with Igor made the project go beyond budgets. However, we will definitely work with...”
  • C++
  • Machine learning
  • Python
Jarek Z. - Full stack web developer, Team leader

Jarek Z.

Full stack web developer, Team leader

$50/hr
50 hours
Poland
2 REVIEWS
“Jarek is a seasoned professional who made a difficult project look easy. His technical skills are matched by his initiative and attention to detail. He is easy to work with,...”
  • Ruby
  • Ruby on Rails
  • Meteor
Deborah B. - Writer with Scientific Background

Deborah B.

Writer with Scientific Background

$17/hr
0 hours
United Kingdom
3 REVIEWS
“Fast and perfect, highly recommended.”
  • Article Writing
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
Mahmudul H. - Professional Wordpress Designer n Developer

Mahmudul H.

Professional Wordpress Designer n Developer

$15/hr
4,100 hours
Bangladesh
100% JOB SUCCESS
“It was a pleasure working with Mahmudul. He delivered a quality website with a fast turn around, I could not have asked for a better experience working with him. Highly recommended!”
  • WordPress
  • Joomla!
  • HTML5
  • CSS3
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
Paul S. - Senior iPhone & Android Mobile Developer

Paul S.

Senior iPhone & Android Mobile Developer

$57.5/hr
244 hours
France
100% JOB SUCCESS
“Paul is an extremely skilled, dedicated and hard-working guy who is passionate about what he does and really cares. He delivered within the deadline, has great communcational skills...”
  • iOS Development
  • Swift
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
Hazem A. - Expert graphic designer & web designer

Hazem A.

Expert graphic designer & web designer

$12/hr
7 hours
Egypt
100% JOB SUCCESS
“Hazem is great Designer Highly recommended!”
  • Adobe Photoshop
  • Web design
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

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