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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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Igor P. - Expert Software Developer/Data Scientist

Igor P.

Expert Software Developer/Data Scientist

$36/hr
8,424 hours
Russia
96% JOB SUCCESS
“Simply a pleasure to work with Mediterra. Their team was both creative and methodical. they held regular meetings and followed up on any issues that arose. Code testing was integral...”
  • Data Science
  • Python
  • C#
  • C++
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,...”
  • Data Science
  • CSS
  • HTML5
  • Ruby
John S. - Market Researcher and Data Modeling Professional

John S.

Market Researcher and Data Modeling Professional

$35/hr
0 hours
United States
New to Upwork
  • Data Science
  • R
James P. - Data Analyst and Developer

James P.

Data Analyst and Developer

$15/hr
0 hours
United Kingdom
New to Upwork
  • Data Science
  • C#
  • VBA
  • PHP
  • SQL
Doris V. - Data Analyst

Doris V.

Data Analyst

$15/hr
0 hours
Romania
New to Upwork
  • Data Science
  • Python
  • R
  • MATLAB
Yordan D. - Technical Trainer and .NET Web Developer

Yordan D.

Technical Trainer and .NET Web Developer

$22/hr
7 hours
Bulgaria
New to Upwork
  • Data Science
  • jQuery
  • C#
Olivier D. - Business Analytics Consultant (Lean Analytics, Tableau, R and Python)

Olivier D.

Business Analytics Consultant (Lean Analytics, Tableau, R and Python)

$65/hr
980 hours
Canada
100% JOB SUCCESS
  • Data Science
  • Python
  • R
  • d3.js
anne s. - Expert author and scientific academic writer

anne s.

Expert author and scientific academic writer

$30/hr
0 hours
Germany
New to Upwork
  • Data Science
  • Proofreading
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.”
  • Data Science
Triambak B. - Independent Market Research Analyst

Triambak B.

Independent Market Research Analyst

$30/hr
0 hours
India
New to Upwork
  • Data Science
  • Data mining
Mainul H. - Web/Scientific Research, Virtual Assistance, Data Entry

Mainul H.

Web/Scientific Research, Virtual Assistance, Data Entry

$15/hr
319 hours
Australia
90% JOB SUCCESS
“thank you mainul”
  • Data Science
  • Biology
Mykhailo D. - Data Science | Business Mathematics | Machine Learning

Mykhailo D.

Data Science | Business Mathematics | Machine Learning

$30/hr
33 hours
Ukraine

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What our customers are saying


At A Glance: Data Scientists

Data science is about gaining knowledge and insight through the exploration and study of data. It is a complex profession that requires the use of intricate mathematical techniques along with algorithms designed to analyze some of the most challenging business problems. Taking a huge amount of raw data and pulling out the information a business needs is an extremely involved and studious task, and a business can hire data science professionals and consultants on Upwork to collaborate on this project.

Data science is rapidly showing itself to be a crucial element in the development of any business and can cover an array of different projects. For example, data scientists can help with tactical optimization, like looking at the marketing campaigns currently run by a business to establish if they are working and where they could be improved. A similar assessment can be carried out on the business’s processes to look for efficiency improvements and spot potential problems. Data science professionals can even help with automated systems such as fraud detection to help spot a costly mistake or problem before it happens. These experts do predictive work using the data collected to see future trends and events that may be relevant to the business. And perhaps most crucial of all, they can help businesses better understand their customers, particularly what they want and what they may want in the future. By having a deeper understanding of customer behavior, a business can better provide the required products or services, placing it in front of its competitors and engendering customer loyalty.

Data

R vs. Java vs. Python: Which Is Right for Your Project?

In this article, we take a closer look at three of the most popular languages used by data scientists: Java, Python, and R. You’ll learn the basics of each, as well as how to tell which one is right for your data needs.

Read More

May 23, 2016

Data

5 Ways the Internet of Things Will Change Big Data

How much bigger is data going to get with the Internet of Things (IoT), and how will this change the way businesses gather, store, compute, and consume data? Here are a few ways companies can leverage the massive, unstructured data of the IoT.

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March 24, 2016

Data

The Tools of Big Data Science: The Technologies & Languages of Statistical Analysis

Take a look at tools that data scientists use to mine that data, perform statistical techniques like clustering or linear modeling, and then turn it into a story through visualization and reporting.

Read More

March 14, 2016

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