Square, Inc. | Software Engineer, Payments | Atlanta | ONSITE , <a href="
Square's Atlanta office is hiring an engineering position for the backend services that power our payments platform.
What we do:
Develop and support routing and gateway support between Square’s products and payment processors in the US and abroad.
Design and refactor  these systems for high reliability and scalability.
Why it's cool:  
Our system is critical: without it, Square products couldn't exist.
The Atlanta office has a history of working on mission critical projects.  Infrastructure used throughout Square was designed and developed here.  We’re continuing to increase our footprint here.
Our work environment includes lots of Silicon Valley style perks, plus all the advantages of working in a smaller office where everyone knows each other.
Square products are widely used by the general public, so you constantly run into people who use our products.
Who we're looking for:
Experience with Card Payments would be terrific!
Engineers familiar with Java, Go, Ruby  or another high level OO language.
At this time, we are looking for developers with at least a few years industry experience.
Tech we use: Java, Go, Ruby, Objective-C, Ember.
If this matches your background and interests, I'd love to talk to you -- email REDACTED_EMAIL, hiring manager for this position in the Atlanta office.
Ask HN: Who is hiring? (August 2017)