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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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Evgheni P. - Senior PHP Developer (10+ years experience)

Evgheni P.

Senior PHP Developer (10+ years experience)

$25/hr
40 hours
Moldova
100% JOB SUCCESS
“Top quality freelancer, excellent communication skills and very hard-working. Always available to speak on Skype and can come up with his own ideas and opinions to assist the project. I...”
  • Zend Framework
  • PHP
  • Git
  • HTML
Luke S. - Award-Winning Marketing & Sales Strategist

Luke S.

Award-Winning Marketing & Sales Strategist

$99/hr
322 hours
United States
100% JOB SUCCESS
“Luke was a great asset to my project! He was very fast and very good about answering all of my questions. He got me set up with some great affordable manufacturers and has been...”
  • Advertising
  • Copywriting
Andrei I. - Java/Grails Developer

Andrei I.

Java/Grails Developer

$35.56/hr
5,631 hours
Germany
100% JOB SUCCESS
“Andrej is an awesome freelancer. We worked over 1 year together, in total more than 1900 hours. Definitiv one of the best you can hire at upwork, we will continue our collaboration...”
  • Grails
  • Java
  • Hibernate
  • Git
Anton H. - Expert Android/Mobile

Anton H.

Expert Android/Mobile

$15/hr
60 hours
Belarus
100% JOB SUCCESS
“Anton is a very talented and hard-working developer. This project was quite complex, and had a very tight deadline. While other freelancers told us it'll take at least 2-3 weeks,...”
  • Android App Development
Waqar U. - iOS/Android Developer and Web/Graphic Designer

Waqar U.

iOS/Android Developer and Web/Graphic Designer

$22.22/hr
266 hours
Pakistan
100% JOB SUCCESS
“Superb work, very experienced developer. he reads codes as clearly as you read my message here.”
  • Objective-C
  • ASP.NET
  • Java
Jose A. - Transcriber / Editor / Quality Analyst

Jose A.

Transcriber / Editor / Quality Analyst

$20/hr
0 hours
Philippines
100% JOB SUCCESS
“Great work, delivered right on time despite my accelerated deadline needs. Very communicative and great to work with.”
  • Transcription
  • Bookkeeping
Kateryna T. - Front End Developer

Kateryna T.

Front End Developer

$28/hr
295 hours
Portugal
100% JOB SUCCESS
“Kateryna did an AMAZING job. She accepted a last minute project and completed within deadline to pixel perfectness and went above and beyond expectations. She's very cool, and...”
  • HTML
  • CSS
  • jQuery
  • Magento
Reginald B. - Project Manager, QA Tester

Reginald B.

Project Manager, QA Tester

$11.11/hr
7,662 hours
Philippines
100% JOB SUCCESS
“Reg did a great job! Reccomended!”
  • Project management
  • Joomla!
Boris G. - Web designer and Drupal developer

Boris G.

Web designer and Drupal developer

$33.33/hr
1,227 hours
Serbia
100% JOB SUCCESS
“Boris has been a great pleasure to work with. He has the skills to get the job done and will make sure he gets everything right. We will definitely be working with him again.”
  • Drupal
  • CSS3
  • HTML5
  • Web design
Kashif T. - Senior iOS/ Android Developer

Kashif T.

Senior iOS/ Android Developer

$35/hr
142 hours
Pakistan
100% JOB SUCCESS
“Kashif has been excellent in almost every area you would expect. Great command of English, always available, and most importantly, the highest quality of work. It was a great pleasure...”
  • iOS Development
  • Unity
Andrej S. - UX Designer / Front end dev.

Andrej S.

UX Designer / Front end dev.

$44.44/hr
640 hours
Slovenia
100% JOB SUCCESS
  • Axure RP
  • HTML5
  • CSS3

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