Hire the best Unix developers near Chicago.

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

Sam Varshavchik

Member since September 16, 2012
Sam is a senior freelance developer and architect with over 20 years of experience developing in the financial industry. Click to continue

Christian Perez

Member 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

Jerry Hermel

Member since January 10, 2014
Jerry's 34-year career in engineering with Boeing has given him broad hands-on experience in many aspects of cutting-edge technology. His professional experience includes diverse accomplishments in software/web development, systems engineering, data analytics, applied math, and web-based commerce. Click to continue

Eric Adem

Member since October 1, 2016
Eric is a senior software developer who's driven by results, quality, and efficiency. He can leverage his extensive experience to help develop your product within large corporate or startup environments. He truly understands client and end-user needs, and he designs solutions that are cost-effective, flexible, and scalable. Click to continue

Andy Miller

Member since September 16, 2014
Andy is a Software Architect experienced in client-server and web based software design and development. He is particularly interested in working in a diverse team environment that values good testing practices, continuous delivery, and continual learning. Click to continue

Hartley Brody

Member since June 10, 2015
Hartley is a generalist who focuses on metrics and results. In addition to full-stack web development, he also has experience in growth and marketing. He has several side projects of his own that bring in monthly income, so he knows what it takes to bring an idea from concept to spec to working software. Click to continue

Manish Das

Member since October 18, 2016
Manish has been working for startups since his own "startup" as a graduate of computer science. He's very passionate about new tech and innovation, and is a quick and enthusiastic learner. To date, he has six years of experience building scalable microservices and web apps and has a good command of all the usual tools and platforms. Click to continue

Jordan Ringenberg

Member since March 13, 2016
Jordan is a software and systems guru and startup CTO with expert skills and over a decade of full-stack software engineering experience utilizing C++, Python, Java, Objective-C, C#, MySQL, shell scripting, and web programming. He's a computer vision expert using OpenCV/MATLAB and teaches university CS courses. He was the CTO of Di8itcharts.com, an acquired data-visualization startup, and CTO of Wander Media Company, a multimedia startup. Click to continue

Ryan Jafari

Member since October 26, 2015
For over a decade, Ryan's been planning, managing, programming, and shipping on software projects. A back-end developer turned front-end developer, his passion lies in the delivery of superbly designed web/mobile experiences that help people interface with data, backed by simple, elegant, and scalable code. He's a master of UX development with various front-end frameworks and is always focused on choosing the right tool for the job. Click to continue

Bryce Ott

Member since April 17, 2014
With more than fifteen years working as an engineer, architect, director, vice president, and CTO, Bryce brings a deep understanding of enterprise software, management, and technical strategy to any project. His specialties include Amazon Web Services (AWS), real-time systems, business intelligence, big data, enterprise web apps, scalability, education, and open-source software. Click to continue
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“We used Toptal to hire a developer with extensive Amazon Web Services experience. We interviewed four candidates, one of which turned out to be a great fit for our requirements. The process was quick and effective. ”
Abner Guzmán Rivera
CTO and Chief Scientist @ Photo Kharma
“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
“Andrea is doing an amazing job. I don't think we could have gotten a better person. He is fun to work with, he thinks out of the box, and he is extremely knowledgeable in what he is going. He not only does an excellent job, he also helps our company to differentiate our business model further (e.g. making our app offline-capable). I would recommend Andrea as well as Toptal any time to any friend.”
Pascal Girardat
Co-Founder / CEO @ Lifestage Solutions AG
“My business relationship with Toptal has been nothing short of terrific. From reviewing my project with their team to choosing a highly-talented developer, and all the way through releasing our application, it has been an incredibly smooth and successful experience.”
Gary Craig
Senior Analyst @ NetApp
“The best talent is at Toptal for sure. It's way better and faster than any other means of getting top talent.”
Rajesh Nagarajan
Co-Founder & CTO @ maxmantra
“Chris is an absolutely exceptional Python developer, and the single most efficient programmer I've ever worked with. From the beginning of the project, Chris was instantly a vital member of the team. He's proactive, self-managed, knowledgeable, and efficient. I point him in a direction, and he delivers. Chris will be a part of the Crisis Cleanup team as long as I have anything to say about it.”
Aaron Titus
Project Manager @ Crisis Cleanup
“We struggled for weeks to find a developer or architect with expertise in a niche API, but to no avail. When we linked up with Toptal, they connected us with the very expert we needed, and a week later we were hard at work making progress! The whole process was very smooth and we ended up with a new feature we couldn't have done without Toptal.”
Thomas Honeyman
COO @ FindMySong
“John has been so great to work with! He has met all our requirements, done a speedy job with excellence, and has completed everything we’ve asked him to. Working with him has been a great experience.”
Jenny Lord
Communications Project Manager @ Lake Pointe Church
“One of their engineers from Colombia has joined our team as a full-time developer for more than 6 months, sometimes flying to work on-site in New York City with us. He is one of the best developers I've ever worked with.”
Carter Cleveland
CEO @ Artsy
“FundedByMe needed to quickly scale our development team to create the equity crowdfunding leg of our operation. Working with a small budget, we couldn't spend time on vetting candidates, so we turned to Toptal. They identified a stellar developer that truly set the bar when it came to delivering product.”
Arno Smit
CTO @ FundedByMe.com
“Working with Marcin is a joy. He is competent, professional, flexible, and extremely quick to understand what is required and how to implement it. ”
André Fischer
CTO @ POSTIFY
“I can't say enough about how happy and confident I am in working with Enrique. He brings an enthusiasm to his profession that is very refreshing, constantly surprising us with his depth of knowledge and his capability to not only complete the task, but to surpass our expectations. He presents us with solutions that we would not have thought about ourselves, and sees the problem better than we can explain it.”
Chad Berryman
Senior Technical Lead @ Zoomedia
“As a growing startup, finding top-notch engineering talent at affordable rates is one of the biggest challenges. After being frustrated with unreliable local contractors in New York, we turned to Toptal. We worked closely with Michal in Poland for 5 months and were thrilled with the results. Michal was an outstanding engineer who communicated flawlessly and took control of our project in ways that far exceeded my expectations. I give Michal and Toptal my highest endorsement and will continue to use and recommend them to anyone looking for software engineering talent.”
David Baker
Founder @ Spins.FM