Chicago, IL - Braintree (<a href="http://www.braintreepayments.com" >http://www.braintreepayments.com</a>)
We mostly work with Ruby/Rails. Our team is talented, our practices are collaborative (pairing, agile), we work on challenging problems (high availability, quality of service, scaling, security), and our devs have 10% time to work on whatever they want. Developers use and love our product. Although we mostly work with Ruby, we also work with Python, Node, Java, .NET, PHP, and Perl. Braintree is profitable, you'll have standard benefits (health/dental/vision), 401k match, ample vacation, an above market salary, and stock options.
More about our people, practices, and software: <a href="http://www.braintreepayments.com/inside-braintree/how-we-built-the-software-that-processes-billions-in-payments" >http://www.braintreepayments.com/inside-braintree/how-we-bui...</a>
Apply at <a href="http://www.braintreepayments.com/braintree-careers" >http://www.braintreepayments.com/braintree-careers</a> or email me (address in profile).
Ask HN: Who is Hiring? (September 2011)