Senior Software Engineer (Ruby On Rails), Square Shop

  • San Francisco, CA
  • Full-time

Company Description

We believe the economy is better when everyone has access. When everyone has room to grow. No one should be left out because the cost is too great or the technology too complex. We started with a little white credit card reader but haven’t stopped there. We’re empowering the independent electrician to send invoices, setting up the favorite food truck with a delivery option, helping the ice cream shop pay its employees, and giving the burgeoning coffee chain capital for a second, third, and fourth location. We’re here to help sellers of all sizes start, run, and grow their business—and helping them grow their business is good business for everyone.

Job Description

At Square, our hardware and software powers critical interactions between our merchants and their customers. The Square Shop team is responsible for building websites and platforms that help get our products into the hands of our merchants. Its a hugely impactful role, since the experience in helping new merchants find the right hardware and peripherals to power their business is one of the first interactions with Square.

You will:

  • Work across product teams to develop our e-commerce websites and fulfillment systems

  • Write code to help new and existing merchants find the right hardware and peripherals to power their business

  • Integrate with 3rd party systems and services with large scale internally built applications


You have:

  • 4+ years of software engineering experience

  • Experience developing web services and server-side code

  • BA/BS degree or equivalent practical experience

Technologies we use and teach:

  • Ruby / Ruby on Rails

  • MySQL, Redis

  • JavaScript, jQuery, Ember.js, and Sass,

Additional Information

At Square, our purpose is to empower – within and outside of our walls. In order to build the best tools for the businesses and customers we support all over the world, we have to start at home with a workforce as diverse and empowered as our sellers. To this end, we take great care to evaluate all employees and job applicants equally, based on merit, competence, and qualifications. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, or any other characteristic protected by law. We encourage candidates from all backgrounds to apply and always consider qualified applicants with arrest and conviction records, in accordance with the San Francisco Fair Chance Ordinance. Applicants in need of special assistance or accommodation during the interview process or in accessing our website may contact us by sending an email to assistance(at) We will treat your request as confidentially as possible. In your email, please include your name and preferred method of contact, and we will respond as soon as possible.