Hire the best API developers near Chicago.

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

Colin Young

Freelance API Developer at Toptal since August 19, 2015
Colin is a senior engineer with 5+ years' experience leading products and managing small entrepreneurial teams. He specializes in robust, performant API back-ends and the clients and applications they serve, and his core skills are Ruby, Swift/Obj-C, JS, and Linux Server. He's trained in UX and design, and has proven ability to learn new tech quickly. He is skilled at React, and gaining ground with Android products. Click to continue

Harrison Strowd

Freelance API Developer at Toptal since November 4, 2016
Harrison has extensive experience building and maintaining web server applications of all shapes and sizes. The majority of his experience is in Ruby on Rails, but he also has experience with many other languages as well. Harrison has a strong understanding of the entire stack of server-side technologies. Click to continue

Alex Wong

Freelance API Developer at Toptal since January 5, 2016
Alex is an independent software consultant with more than 15 years of experience. He has helped companies of all sizes, from nascent startups to Fortune 500 corporations, successfully deliver software projects by providing expertise in development, architecture, and management. He has built solutions in everything from large-scale distributed systems to rich internet front-ends for clients such as Sun Microsystems, Zendesk, and GE Capital. Click to continue

Charles Naccio

Freelance API Developer at Toptal since November 10, 2016
Charles is a motivated senior Salesforce consultant and developer with over six years of experience, focused on finding new and creative ways of leveraging the Salesforce.com platform to address the ever-changing needs of business organizations. To top things off, he has a keen understanding of business and business concepts, which enables him to effectively communicate with executives and key business stakeholders. Click to continue

Ryan Felton

Freelance API Developer at Toptal since October 7, 2015
Ryan is an entrepreneur at heart and a stellar web app developer by trade. He prides himself on his efficiency in communication and his efficacy in development, and he is sure to be an excellent addition to--or leader for--any team. Click to continue

John-Paul May

Freelance API Developer at Toptal since October 24, 2016
John-Paul is an extremely experienced developer in OCC native and cloud engineering, as well as Unity, VR, and hardware-software devices. He has a long roster of multi-million dollar product successes for clients. He combines a savvy marketing outlook with the more difficult technical engineering. A specialist in the high-value "attractions" industry. He has led teams of all types and budgets, creating many huge successes for clients. Click to continue

Oleg Rikkers

Freelance API Developer at Toptal since July 19, 2015
Oleg has been working with the Salesforce platform since late 2007. During that time, he gained great expertise building enterprise-grade applications on it. His knowledge of Force.com tools, frameworks, and features includes Apex, Visualforce, Lightning/Aura, customer/partner communities, ProcessBuilder, Salesforce 1, and more. He is well versed in Scrum/Agile methodology and change management. Click to continue

Matthew Keas

Freelance API Developer at Toptal since July 13, 2013
Matthew is an enthusiastic world traveler and follower of scientific computing, compilers, web development, and computer security. He has learned from universities and government organizations and worked for individual clients, startups, and more. He lives to solve problems, and he contributes actively to open source and community projects. Click to continue

Andrew Onyshchuk

Freelance API Developer at Toptal since October 1, 2013
Andrew is an experienced web developer who is obsessed with learning newer and better technologies to bring the best solutions to all products and ideas. He possesses a vast range of skills and has experience with many different technologies, designs, and methods of execution. Click to continue

Mario J. Wunderlich

Freelance API Developer at Toptal since October 28, 2016
Mario is a software engineer with over 20 years of experience and an entrepreneurial spark. He is a generalist more than a specialist with expertise in a number of fields. He loves to learn, to create, to experiment, and especially loves to work and immerse himself in interesting projects. His current focus is in full-stack web development, but he's also interested in mobile development, RESTful APIs, bots, UX, machine learning, and big data. Click to continue
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Testimonials
“We're a small firm with big dreams. After trying 4 or 5 local or outsourced developers, we were out of options. I'd heard of Toptal, but was worried that my company wasn't big enough for them. After calling them up, I found out that I didn't need to meet any minimum budget and was immediately put in touch with a developer to talk through my problems and goals. A day later, he got back to me with a list of possible solutions. After 9 months and 5 developers, Toptal got me my solution in a single week at a price I could afford.”
Kevin Ramirez
Co-Founder @ SixtyVocab.com
“As an internet marketing company specializing in pay-per-click management, our clients frequently ask us to provide services that fall outside the scope of our primary business. We have found Toptal to be exactly the resource we need to connect with contractors so we can deliver our clients top tier web development talent at a reasonable cost.”
Pashmina Lalchandani
Owner @ Flowsimple
“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
“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
“Toptal has been an incredible source of amazing software engineering talent. The contractors who have worked with us have been top notch, spoke perfect English, and worked superbly with our team. We recommend Toptal without any reservations!”
Vineet Singal
Co-Founder @ CareMessage
“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
“We have been with Toptal for over two years and have hired through them multiple times. They've never failed to deliver with world-class talent and customer service and have been our first choice when scaling our team.”
Stuart Reavley
Product Lead @ ClassDojo
“Sergio was an awesome developer to work with. Top notch, responsive, and got the work done efficiently.”
Dennis Baldwin
Chief Technologist and Co-Founder @ PriceBlink
“One of our most time consuming problems is finding qualified staff. We need to find the correct platform to advertise on, create a proper ad, filter through tons of applications, interview and test the applicants' capabilities, and finally take a risk by hiring. This was the old way of doing things. The new way: describe the job position to our Toptal account manager, interview a few qualified applicants, and hire with a risk-free trial -- much faster, a lot easier, and with incredible results.”
Catalin S. Balaci
Owner @ EvoBits Information Technology SRL
“We have been incredibly happy with our Toptal experience. Initially a skeptic, the process to find and recruit a fabulous iOS developer was very easy. Rather than sifting through hundreds of CVs, we saw two and hired them. They have worked effectively, getting up to speed incredibly quickly and have almost become part of the team. We would definitely use Toptal again. ”
James O'Day
Co-Founder @ Pearlshare
“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
“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
“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
“As a Toptal qualified front-end developer, I also run my own consulting practice. When clients come to me for help filling key roles on their team, Toptal is the only place I feel comfortable recommending. Toptal's entire candidate pool is the best of the best. Toptal is the best value for money I've found in nearly half a decade of professional online work.”
Ethan Brooks
CTO @ Langlotz Patent & Trademark Works, Inc.
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My team is going to personally help you find the best candidate to join your team.

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VP of Talent Operations