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Top C# Companies in Chicago, IL (248)

Chamberlain Group
Automotive • Hardware • Internet of Things • Mobile • Software • App development • PropTech
Oak Brook, Illinois, USA
5,769 Employees
55 Benefits See Our Teams Hiring Now
We make access simple and secure.

Chamberlain Group is a global leader in intelligent access and Blackstone portfolio company. Our innovative products, combined with intuitive software solutions, comprise a myQ ecosystem that delivers seamless, secure, access to people's homes and businesses. Our recognizable brands, including LiftMaster® and Chamberlain® , are found in 50+ million homes, and 10+ million people rely on our myQ® app daily to...

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Chamberlain Group
John Deere
Artificial Intelligence • Cloud • Internet of Things • Machine Learning • Analytics • Industrial
We Run for ALL

Life can’t evolve without innovation. That’s why we’re ideating to help feed the planet, build smarter, and help our farmers and growers to sustainably optimize their land. The mission is underway, but we need the right people to continue bringing it to life. From coders to assemblers and from engineers and tech experts to marketers and field teams. All find...

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John Deere
Alliant Credit Union
Fintech • Financial Services
Chicago, Illinois, USA
906 Employees
59 Benefits Hiring Now
We’re boldly disrupting banking norms to do good for our members, employees and communities.

Alliant is unlike any other financial institution — a digital credit union that wows our members. We’re boldly disrupting banking norms to do good for our members, employees and communities. With 90 years of history and more than $19 billion in assets, Alliant Credit Union is the largest credit union in Illinois and one of the largest in the U.S. Our industry-leading...

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Alliant Credit Union
OCC
Big Data • Cloud • Fintech • Information Technology • Financial Services
We clear and settle trades for the options industry.

As the foundation for secure markets, OCC is a customer-driven organization that delivers world-class Risk Management, Clearing, and Settlement Services for a sophisticated mix of financial products that includes standard options, stock loans, and futures contracts.

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OCC
McCain Foods
Food • Retail • Agriculture • Manufacturing
8 Offices
20,000 Employees
36 Benefits Hiring Now
At McCain Foods we know the importance that food plays in people's lives.

The power it has to uplift and bring people, Guided by our purpose - Celebrating real connections through delicious, planet-friendly food - we believe that working together with our teams, business and community partners will bring sustainable growth and positive change - today, tomorrow and for generations to come. As a privately owned family company with over 60 years of...

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McCain Foods
Adage Technologies
eCommerce • Professional Services • Software
2 Offices
145 Employees
44 Benefits Hiring Now
Adage is web design and development firm that builds solutions for Arts and nonprofit clients.

Founded in 2001, Adage Tech is a web design and development firm combines strategic thinking with a passion for technology to advance our client's purpose. We bring together a diverse team of creative and technical professionals who partner with our clients to create their digital strategy and build applications to connect with their audiences.

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Adage Technologies
Invenergy
Greentech • Real Estate • Social Impact • Energy • Industrial • Solar • Renewable Energy
2 Offices
2,500 Employees
41 Benefits Hiring Now
We are innovators building a sustainable world. We hope you’ll join us.

Invenergy is a leading global privately-held developer and operator of sustainable energy solutions. We are headquartered in the Chicago and have 2000+ employees across the Americas, Europe and Asia. We have successfully developed over 175 projects, including wind, solar, and natural gas power generation as well as advanced energy storage facilities. We are innovators at heart — we design, build and...

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Invenergy
Wipfli
Cloud • Fintech • Software • Business Intelligence • Consulting • Financial Services
We are curious, inventive, perceptive and approachable.

Wipfli is an advisory firm that delivers holistic solutions to help clients navigate the modern marketplace, optimize performance and drive growth. Our more than 3,000 full-time associates deliver digital, people, strategy, risk, financial and outsourcing solutions to 54,000+ clients. "Wipfli" is the brand name under which Wipfli LLP and Wipfli Advisory LLC and its respective subsidiary entities provide professional services. Wipfli...

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Wipfli
Boeing
Aerospace • Information Technology • Cybersecurity • Defense • Manufacturing
24 Offices
141,000 Employees
27 Benefits

We are engineers and technicians. Skilled scientists and thinkers. Bold innovators and dreamers. We work on advanced technologies that will transform aerospace as we know it. We’re the leading manufacturer of defense, space and security systems, commercial jetliners, and service provider of aftermarket support.

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Boeing
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Vail Systems, Inc.
Information Technology • Machine Learning • Natural Language Processing • Software • App development • Conversational AI • Big Data Analytics
2 Offices
274 Employees
66 Benefits Hiring Now

At Vail we develop innovative technology to enhance the way people communicate. Our mission is to create business value for our clients and growth opportunities for our employees by developing solutions that inspire people to interact freely and authentically.

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Vail Systems, Inc.
Belvedere Trading
Fintech • Information Technology • Other • Software • Financial Services
4 Offices
265 Employees
77 Benefits Hiring Now
At Belvedere, we cultivate the best of trading by creating cutting-edge technology and forging unique paths in culture.

In March of 2002, Belvedere Trading emerged as Chicago’s newest market maker, soon to join the ranks of the Windy City’s elite proprietary trading firms. Armed with printouts of Excel workbooks and a team of eager minds, Belvedere established their place in the SPX pit on the floor of the Chicago Board Options Exchange. From the beginning, we have iteratively...

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Belvedere Trading
CDW
Artificial Intelligence • eCommerce • Information Technology • Internet of Things • Automation
9 Offices
15,100 Employees
43 Benefits Hiring Now
At CDW, our purpose is to make technology work so people can do great things.

CDW Corporation is a leading multi-brand provider of information technology solutions to business, government, education and healthcare customers in the United States, the United Kingdom and Canada. A Fortune 500 company and member of the S&P 500 Index, CDW helps its customers to navigate an increasingly complex IT market and maximize return on their technology investments. For more information about...

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CDW
Geneva Trading
Fintech • Financial Services
3 Offices
200 Employees
43 Benefits Hiring Now
WE EMPOWER THE PURSUIT OF MARKET OPPORTUNITY

Geneva Trading LLC is a leading proprietary trading firm with a history of consistent success in the listed derivatives markets. Over the past 20 years, we’ve grown significant capital, developed proven technology, and maintained an appetite for diversified trading strategies. We foster innovation and look for people who can solve complex problems that drive immediate results. We've built a culture of...

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Geneva Trading
ABN AMRO Clearing USA LLC
Information Technology • Professional Services • Financial Services
Chicago, Illinois, USA
215 Employees
48 Benefits Hiring Now
Leading the Way to Safe and Transparent Markets Globally

ABN AMRO Clearing USA LLC (AAC-USA) is a subsidiary of ABN AMRO Clearing Bank N.V. We are a global clearing firm that provides an integrated suite of financial services to professional trading participants in the global financial market. The core service offering consists of clearing, execution, stock borrowing and lending, settlement. AAC-USA has a Global Reach through direct and indirect clearing...

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ABN AMRO Clearing USA LLC
ALIS
Healthtech • Sales • Software
Chicago, Illinois, USA
79 Employees
30 Benefits Hiring Now
ALIS is the industry leading provider of assisted living specific software.

We are a purpose driven healthcare technology company passionate about innovation and using technology to help people by solving real world problems. The ALIS team designs, builds, delivers, and supports our flagship product ALIS (pronounced “Alice” and stands for Assisted Living Integrated Solution).

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ALIS
BigTime Software, Inc.
Productivity • Professional Services • Sales • Software • Consulting
4 Offices
175 Employees
62 Benefits Hiring Now
The AI-powered Professional Services platform enabling intelligent decisions and delivering profitable growth.

Leading a successful professional service firm is an art. Running a profitable firm is a business. We understand this because our founder ran an IT Consulting firm for over 15 years. He grappled with the same challenges that professional service firm owners face today. How do I know what my employees are working on? How can I connect time and...

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BigTime Software, Inc.
Kalderos
Big Data • Healthtech • Software • Analytics • Pharmaceutical • Infrastructure as a Service (IaaS)
2 Offices
120 Employees
36 Benefits Hiring Now
Redefining how the business of healthcare performs.

Kalderos is a data infrastructure and analytics company that’s solving challenges around drug discounts in the U.S. healthcare system. Through platform technology and big data, our team is delivering smart solutions that enable healthcare stakeholders to collaborate with greater transparency and trust. We’re passionate about our mission to take on the most stubborn challenges in healthcare. We also know that...

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Kalderos
TransUnion
Big Data • Fintech • Information Technology • Business Intelligence • Financial Services • Cybersecurity • Big Data Analytics

TransUnion is a global information and insights company that makes trust possible by ensuring that each consumer is reliably and safely represented in the marketplace. We do this by having an accurate and comprehensive picture of each person. This picture is grounded in our legacy as a credit reporting agency which enables us to tap into both credit and public record...

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TransUnion
Built In
Consumer Web • HR Tech
Chicago, Illinois, USA
100 Employees
52 Benefits See Our Teams Hiring Now
Be Visible. Be Trusted. Be Chosen.

Built In is the AI-powered career platform that connects innovative companies with professionals navigating their careers in a world reshaped by AI. For candidates, we provide AI-driven job recommendations and resources that support smarter career decisions. For employers, we deliver the always-on recruitment and reputation platform that ensures your brand is visible, trusted, and chosen. By combining employer brand insights,...

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Built In
Gogo
Aerospace • Hardware • Information Technology • Software
3 Offices
650 Employees
63 Benefits Hiring Now
Gogo Business Aviation is the leading global provider of inflight connectivity solutions for business aircraft

Gogo Business Aviation is the world’s leading provider of broadband connectivity services for the business aviation market. We offer a customizable suite of smart cabin systems for highly integrated connectivity, inflight entertainment, and voice solutions – innovations that help people in the air stay fully connected to their work, life and entertainment on the ground. Gogo created the inflight connectivity...

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Gogo

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