Hire the best Open Source developers near Chicago.

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.

Brad Rozran, Optimizely

Trusted by leading brands and startups

Our Exclusive Network of Open Source Developers

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. 

Hire Nick

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. 

Hire Mohideen

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. 

Hire Ronnie

Hire Open Source Developers Seamlessly with Toptal

1
Talk to One of Our Industry Experts
A Toptal director of engineering will work you to understand your goals, technical needs, and team dynamics.
2
Work With Hand-Selected Talent
Within days, we'll introduce you to the right Open Source developer for your project. Average time to match is under 24 hours.
3
The Right Fit, Guaranteed
Work with your new Open Source developer for a trial period (pay only if satisfied), ensuring they're the right fit before starting the engagement.

Tap Into World-Class Talent

  • Trusted Experts Only

    Trusted Experts Only

    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.

  • The Right Fit

    The Right Fit

    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.

  • Scale as Needed

    Scale as Needed

    Hire in under 2 weeks and scale your team up or down as needed, no strings attached.

  • Seamless Hiring

    Seamless Hiring

    We handle all aspects of billing, payments, and NDA’s. Let us take care of the overhead while you focus on building great products.

  • Flexible Engagements

    Flexible Engagements

    Choose the engagement type that suits your needs — hourly, part-time, or full-time — with the ability to change anytime.

  • Expert Talent Matching

    Expert Talent Matching

    Focus on your project and enjoy support from your dedicated account executive and expert talent matcher.

Top Open Source Developers are in high demand.

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