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Hire the best R developers near Chicago.

Toptal is a marketplace for top remote R developers, engineers, programmers, coders, architects, and consultants. Top companies and start-ups in Chicago choose Toptal R freelancers for their mission critical software projects.
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Hire remote R Developers near Chicago or in a similar time zone

Eric Hare

Freelance R Developer at Toptal since June 7, 2017
Eric is the chief data scientist at Omni Analytics Group. He graduated with a PhD in statistics and computer science from Iowa State University. He is most proficient working in R, RStudio, and associated R packages—including Shiny, R Markdown, and Ggplot2. Click to continue

Michael Newlin

Freelance R Developer at Toptal since June 29, 2017
Michael has over 20 years of experience as a professional developer as well as over 15 years of experience as a full-stack web and data developer with current expertise in React, .Net Core, C#, SQL, Bootstrap, Python, and many scientific and machine learning frameworks. He has developed solutions for large organizations such as Walmart and Home Depot and has developed full-stack solutions for startup companies from inception to launch. Click to continue

Victor Davis

Freelance R Developer at Toptal since August 31, 2017
Victor has a natural understanding of math & statistics, data analysis, query languages, programming languages, and business acuity. He is intellectually curious, quick to master new concepts, and always hungry for a challenge. He communicates extremely well and is equally comfortable working alone or as part of a team. Click to continue

Christopher Karvetski

Freelance R Developer at Toptal since June 22, 2016
Dr. Karvetski has ten years of experience as a data and decision scientist. He has worked across academia and industry in a variety of team and client settings, and has been recognized as an excellent communicator. He loves working with teams to conceive and deploy novel data science solutions. He has expertise with R, SQL, MATLAB, SAS, and other platforms for data science. Click to continue

Carl Dunham

Freelance R Developer at Toptal since January 20, 2014
Carl has a lifelong passion for building software, systems, and teams. He caught the bug in college, began working with a startup the summer before graduation, and hasn't stopped since. He loves learning new languages and technologies, and most of all, he like using them to build large, interesting things. Click to continue

Christian Perez

Freelance R Developer at Toptal since September 22, 2017
Christian's is a data scientist who's worked with frontier research teams at MIT, the U.S. Treasury Department, and several Fortune 500 technology companies. He's worked on all stages of the data science pipeline, including modeling/planning, data cleaning/validation, and model training, implementation, and analysis. He's looking to work on meaningful and challenging projects and is always ready to begin fruitful collaborations in tech. Click to continue

Alejandro Correa Bahnsen

Freelance R Developer at Toptal since July 20, 2015
Alejandro holds a PhD in Machine Learning. He has over 8 years of experience developing data science projects in different areas such as credit card fraud detection, credit scoring, collections, churn, and direct marketing. He enjoys giving talks on successful applications of big data science to different organizations. Moreover he is an active contributor to several open source projects such as scikit-learn. Click to continue

Timofey Nevolin

Freelance R Developer at Toptal since June 25, 2014
Timofey is a software architect and developer with proven ability to develop efficient, scalable, and fault-tolerant server solutions for complex problems. He has excellent analytic abilities and extensive experience with big data real-time processing, server solutions, and web services. Click to continue
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Toptal in the press
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“Toptal allows corporations to quickly assemble teams that have the right skills for specific projects.”
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Testimonials
“My experience with Toptal has exceeded expectations. I needed to quickly find a front-end developer, and the first person they recommended was a perfect fit. A month later, I needed an iOS developer and they delivered again. I'm incredibly impressed with the quality of the people in Toptal's network and how quickly I was able to find a match for my needs.”
Bruno De Martino
Head of Product @ Token
“We needed a talented developer and we needed him/her very quickly. So we turned to Toptal and couldn't be happier with the results! Our Toptal freelancer has contributed extraordinary knowledge, talent, and startup experience to our team. We will continue to work with Toptal to fulfill our future talent needs.”
Lindsay Fairman
Founder & Owner @ FairTech Labs, LLC
“Toptal helped us when we had a hiring gap we needed to fill. The developer we received was excellent, with a great work ethic and fit in very well with the team. We are very happy with the service and would definitely consider using Toptal again in future should we need additional help. ”
David Gildeh
CEO @ Dataloop.io
“Finding a good developer who specialised in the technologies we use seemed like an impossible task... until we used Toptal. We had several trial periods and have just accepted our first developer to join the team! The whole process went seamlessly and without any surprises or hidden costs. We are very happy and will continue to work together!”
Artem Tolmachev
CEO @ eKids.nl
“Robert was such a breath of fresh air. He was an excellent communicator and knew exactly what I was looking for. Now, I have a website that works better than I thought it could for less than the cost -- and in half the time -- it would have taken other developers. Robert is as good as they come, a true professional -- anyone thinking of working with him, hire him. You won’t regret it.”
Matthew Bennett
CEO @ Winning Social LLC
“With the pressure on and millions watching the Cleveland Cavaliers during the NBA Playoffs, Toptal delivered the talent and expertise needed to launch a brand new fan engagement platform.”
Conor Kenney
Director of Professional Services @ Cleveland Cavaliers
“Through Toptal, we were able to find and select a senior engineer who is both very professional and easy to work with. The quality of matching that Toptal enabled has been crucial to our success, was at a fair price, and came with a much appreciated, risk-reducing trial period.”
John Olsen, Director
Director @ Bingosolutions
“Toptal's developers and architects have been both very professional and easy to work with. The solution they produced was fairly priced and top quality, reducing our time to launch. Thanks again, Toptal.”
Jeremy Wessels
CEO @ Kognosi
“Working with Enrique has been a pleasure and a relief. His knowledge in the IT space is broad and in-depth. Zoomedia has been in need of this level of support for some time and I feel confident we are an exponentially stronger team with Enrique on board.”
Justin Bane
Senior Technical Lead @ Zoomedia
“Getting set up with Toptal and finding a new team member was so easy, I don't know why anyone wouldn't give it a try. Best of all, we no longer have to worry about finding great people to help with our projects!”
Mike Branch
President & CTO @ Harbor System Integrators, Inc
“We needed a expert engineer who could start on our project immediately. Simanas exceeded our expectations with his work. Not having to interview and chase down an expert developer was an excellent time-saver and made everyone feel more comfortable with our choice to switch platforms to utilize a more robust language. Toptal made the process easy and convenient. Toptal is now the first place we look for expert-level help.”
Derek Minor
Senior VP of Web Development @ Networld Media Group
“The developers I was paired with were incredible -- smart, driven, and responsive. It used to be hard to find quality engineers and consultants. Now it isn't.”
Ryan Rockefeller
CEO @ Radeeus
“Toptal has provided us developers for a wide range of projects. They are quick to provide candidates, and always very quick in communication. We have been happy with the quality of work from the developers as well as the Toptal representatives. Highly recommend!”
Gena Romano
Vice President of Digital @ VOX Global

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