Toptal is a marketplace for top remote Open Source developers. Top companies and start-ups in Chicago choose Toptal Open Source freelancers for their mission-critical initiatives.
We've been blown away by the level of talent we've been able to hire through Toptal.
Nick Landgrebe
Open Source Developer
Nick is a full-stack engineer and former CTO who builds API-driven apps with sleek, cutting-edge front-ends, drawing on a lifelong love of programming start...ing from the age of 12. A natural in his work, he forms complex technological ideas into human concepts and interfaces for everyday people to understand and enjoy. In his free time, Nick authors and maintains many open source libraries. He also loves writing detailed documentation.
Mohideen Kader
Open Source Developer
Mohideen is a motivated technical lead, analyst, and architect with 17+ years of experience in various phases of complete SDLC: web, mobile, open source, OL...TP, business intelligence, ETL, cloud, product development. He has developed for companies in diverse industries such as government, elections, CRM, eCommerce, finance, big data, health care, biotech, HIPAA, cloud, and social networks.
Ronnie Overby
Open Source Developer
Ronnie has more than a decade of experience developing applications on the .NET platform and administering to servers and networks. He's managed teams and p...rojects at all phases of their life cycle. In addition, he's founded and contributed to several open-source projects. Ronnie is passionate about building correct, reliable, secure, and fast software and being empathetic towards everyone he works with.
Sign up now to see more profiles.
Get Started
All of our talent are seasoned experts who ramp up quickly, readily contribute as core team members, and work with you to minimize onboarding time.
We have a knack for matching you with the right fit. Start working with your new hire on a no-risk trial period, paying only if satisfied.
Hire in under 2 weeks and scale your team up or down as needed, no strings attached.
We handle all aspects of billing, payments, and NDA’s. Let us take care of the overhead while you focus on building great products.
Choose the engagement type that suits your needs — hourly, part-time, or full-time — with the ability to change anytime.
Focus on your project and enjoy support from your dedicated account executive and expert talent matcher.
Open-source, IoT, and Ethereum smart contracts work together with a new utility coin to make transportation more accessible and reduce vehicle waste. In this article, Toptal Freelance Ethereum Developer Michał Mikolajczyk explains the motivations and methodology behind his startup's latest initiative.
Magento 2 was initially greeted with skepticism, but the maturity of the next generation of Magento development has brought on an explosion of new users. In this article, Toptal Freelance Magento Developer Vivek Khatri explains why it's the top choice for eCommerce sites, new and old.
Is open source scary? Do developers think that nobody would be interested in their personal projects? What are the fears associated with publishing your own work for the public to see? In this article, Toptal Director of Engineering Anna Chiara Bellini shares how, as an accomplished engineer, she made her first contribution to GitHub. This guide features all the step-by-step basics to getting involved in open source, including everything from what open source software is, to how to start working with Git and GitHub, to actually making meaningful contributions to open source projects.
Top Open Source Developers are in high demand.
Get Started