WindyCityRails

Groupon

Groupon, launched in November 2008 in Chicago, features a daily deal on the best stuff to do, eat, see, and buy in major cities across the U.S. and Canada. Groupon uses collective buying power to offer unbeatable prices and provide a win-win for businesses and consumers. Groupon is a project of The Point, an online community launched in 2007 for organizing group action. Groupon builds their core product with Ruby on Rails, and aggressively uses state-of-the-art methods, tools and technology to continue to rapidly improve and evolve.

Enova Financial

Enova is a web-based consumer short-term lending company located in downtown Chicago. Founded in 2004, Enova has grown at a tremendous pace since its inception. Today, Enova has over 800 team members providing trusted online financial services to millions of hardworking people in the United States, United Kingdom, Australia and Canada. Enova Technology is a place where top talent gets to operate as an owner. With a technology stack built on open-source software — particularly Ruby on Rails, PostgreSQL and Linux — developers and engineers have the opportunity to implement innovative solutions on cutting-edge technologies while driving results through customer-friendly applications and systems.

Braintree

Braintree helps online businesses accept credit card payments by providing a merchant account, payment gateway, recurring billing, and credit card storage. Our customers choose to work with us because of our focus on exceptional support, honest business practices, developer-friendly APIs, and cutting-edge technology.

Our software processes billions of dollars in credit card payments per year, and we’re looking for highly talented developers to join us in Chicago. We have a talented team, collaborative practices, challenging problems, 10% time open dev days, polyglot dev, above market salary, and standard health benefits. http://joinbraintree.com

Centro

Centro was founded in 2001 with the goal of making it easier to buy and sell digital media. For the last ten years we’ve helped hundreds of companies manage their media logistics and create advertising that makes an impact.

Technology is at the core of our company’s success. Transis, our proprietary software, is a workflow software that streamlines the media planning and collaboration process. Transis allows agencies to spend more time planning strategically and less time buying so they can focus on creating great campaigns for their clients.

We envision an industry where media logistics is executed flawlessly and efficiently. Now Transis is helping our agency and publisher partners make that a reality.

For more details, visit centro.net or our software page.

Deforest Group

Deforest Group is a unique combination of high energy creatives, service-focused sales staff, and business-savvy partners. We take pride in delivering award winning design and photography to clients in many diverse industries. Discover… Focus… Create… Our team uses its creative energy to discover client needs, focus on their goals, and create lasting impressions of their brands through creative design and photography. For more information visit DeforestGroup.com.

Cathedral Shelter of Chicago

Cathedral Shelter was founded in 1915 as a storefront mission of the Episcopal Diocese of Chicago, providing food and clothing to the hungry, homeless, and poor. Today, Cathedral Shelter provides programs and services targeting the homeless and at-risk of homelessness populations. Cathedral Shelter’s community outreach programs include our legacy Christmas Basket Program providing Christmas gifts to individuals, families, and seniors who cannot afford to buy presents.

Clean Coders

Clean Coders is all about educational videos for software professionals, by software professionals. Our code-casts are rich with content and entertaining! Watch instantly at www.cleancoders.com and change the way you think about code, about design, about your disciplines, and about your profession.

Code School

Code School is an online learning platform that teaches a variety of programming and web design skills. Come try our Rails for Zombies course for free and then continue learning with HTML5/CSS3 course, jQuery course, or Rails Best Practices course. Each combines cutting edge screencasts and interactive exercises to make learning feel less like work and more like play.

O’Reilly

O’Reilly Media spreads the knowledge of innovators through its books, online services, magazine, and conferences. Since 1978, O’Reilly has been a chronicler and catalyst of leading-edge development, homing in on the technology trends that really matter and spurring their adoption by amplifying “faint signals” from the alpha geeks who are creating the future. An active participant in the technology community, the company has a long history of advocacy, meme-making, and evangelism. Visit www.oreilly.com for details.

Pragmatic Screencasts

The Pragmatic Programmers is an agile publishing and training company. We’re here because we want to improve the lives of developers. We do this by creating timely, practical books and working with The Pragmatic Studio to create the best developer training there is. The stuff we produce is timely and relevant because it’s created by programmers for programmers. We have launched a new series of screencasts on various topics including Ruby, Rails, and Erlang. You can download and watch $5 episodes when and where it’s convenient for you, in DRM-free formats. Check out some of our new screencasts at http://pragmatic.tv.