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Typical total cost of Upwork Data Science projects based on completed and fixed-price jobs.

Upwork Data Science Jobs Completed Quarterly

On average, 38 Data Science projects are completed every quarter on Upwork.


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Time needed to complete a Data Science project on Upwork.

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Data Science Upwork freelancers typically receive a client rating of 4.85.

Last updated: October 1, 2015

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Ahsan shafiq C.

Ahsan shafiq C.

Top Game Developer / Data Scientist & R Developer

Pakistan - Tests: 2 - Portfolio: 5

I have 5+ years of experience in Software Development and Design in various leading technologies. I have worked for International Customers and helped them growing their business and expanding the profitability. Over the last 5 years, I have developed a wide range Mobile applications, which include iPhone/iPad/Android/J2ME. I have developed both games and eCommerce applications for iPad/iPhone. I have Masters Computer Science with focus on Data Mining and Machine Learning. I have been doing statistical data analysis in R for 2+ years now and have experience working with a variety of single/multiple regression, multi class classification and clustering techniques. I have been involved in development of: - Ruby on Rails - iPhone/Android Native Applications for the Enterprise - iPhone/Android Games Specialties: iPhone SDK / Android / J2ME / Symbian / BREW / BlackBerry Cocos2d / Cocos2d-x / Unity3D / OpenGL ES / Quartz 2D Box2d / Chipmunk Ruby on Rails (ROR) C / C++ / Objective-C / Cocoa Framework / C#

Groups: Application Developers Alliance

99% Job Success
$30.00 /hr
3,555 hours

Vadim K.

Vadim K.

Data Scientist. ML, R, SAS, Python, ETL, AWS Developer.

Russia - Tests: 9

I have 3+ years experience working with data. ETL Developer: SQL, SAS DI, Talend, Oracle DB, GreenPlum DB, PostgrSql, Hadoop, Hive, Pig. Data Scientist/Data Analyst: R, SAS, Python, Machine Learning, D3.js, Spark. I have 4+ years previous experience on developing web applications using PHP, JavaScript, AJAX. Databases: MySQL, Postgresql. Frameworks: JQuery, Code Igniter. CMS: MODx, Wordpress.

97% Job Success
$25.00 /hr
1,198 hours

Alexander G.

Alexander G. Agency Contractor

Data Scientist and Data Products Developer, PhD

Belarus - Tests: 2 - Portfolio: 2

Looking for opportunities in the field of data analysis, machine learning and modeling. Experienced in statistics, optimizations, text analysis and data visualization (R, dplyr / plyr, ggplot2 / ggvis, Rcpp, tm, etc.) as far as other related technologies of R ecosystem (Shiny, openCPU, DeployR, etc.). Have good knowledge of database programming (PostgreSQL, sqlite, etc.)

Associated with: Altasapiens

100% Job Success
$50.00 /hr
1,022 hours

David Mestre

David Mestre Agency Contractor

Python, Web Scraping, Data Analysis, Data Science

Spain - Tests: 9 - Portfolio: 2

- Data cleaning, data analysis, modeling and simulation techniques using Python - MySQL/MongoDB/Sqlite/Sparql/Postgresql - System administration - Machine Learning - Web scraping/crawling with python - Parsing xml/csv/json - AWS servers - Python libraries: pylab, scipy, pandas, matplotlib, ggplot, seaborn, bokeh, numpy, csv, re, json, urllib, urllib2, socket, httplib, sklearn, BeautifulSoup, selenium, requests, lxml, xml, sys, so, subprocess - IDEs: iPython notebook, Komodo Github:

Associated with: Silver Seahog

94% Job Success
$40.00 /hr
1,152 hours

shekhar samanta

shekhar samanta Agency Contractor

Web Scraping Expert with Python Experience

India - Tests: 8 - Portfolio: 9

Over the last 5 years , I have worked on multiple projects ranging from big to small business needs. Timely completion of project & communicating progress updates is key for any successful job completion. Mentioned below are set of services I specialize on odesk. 1.Web scraping, crawling / Automated data extraction 2.Email extraction /scraping 3.Website development - dynamic & static 4.Data manipulations ETL 5.Image scraping /automated re-sizing, processing, uploading, stack 6.Data mining 7.Excel automation projects using VBA, Dashboards 8.& many more I primarily use python programming language & majority of scrapers/crawlers are built using Python libraries. For web development i work on wordpress & flask My objectives are always to deliver client a solution as a product, so that they can use it in future as well with least difficulties or expertise required. You can see under my profile - work history and associated client reviews for the list of jobs I have completed successfully so far with amazing ratings.


91% Job Success
$8.00 /hr
3,740 hours

Igor P.

Igor P. Agency Contractor

Expert Software Developer/Data Scientist

Russia - Tests: 7 - Portfolio: 12

Expert C++/Python/Node.JS Developer and Data Scientist with 12+ years of experience and Master's Degree in Computer Science. Over 12 years of Igor P. 's work experience he has been acting in a wide range of roles, such as Senior Software Engineer, Statistician and Team Lead. Igor's core interest and competency is technical problem-solving. He has developed (working in a team or as a Team Lead) a number of software products, primarily network applications, system services, middleware services, data processing systems, hardware management systems, real-time systems, network protocol implementations. He is looking for opportunities to work on technically complex software projects, requiring deep understanding of software technologies. Igor has experience in C++, Python, Node.JS, JavaScript, Java, C#, Bigdata, Machine Learning, Middleware, System Software, Web Applications, High-performance Network Servers, Distributed Data Processing Systems, and Algorithms.

Groups: Upwork Verified Developers

Associated with: Mediterra

97% Job Success
$36.00 /hr
5,647 hours