Join Us

We’re a startup that is changing the way billions of consumers will use payment cards online and in the real world. We are an open, intellectually stimulating environment with a culture of equals where all ideas are heard and the best ones win.


We’re tackling very complex security, technology, operational and product problems. We’re building systems designed to be scalable, reliable, and secure. Some tools we use are Ruby on Rails, CoffeeScript, Node.js, Chef, MySQL, and Ubuntu. We believe in test-driven development and continuous integration.

About you

You must be smart and able to pick up new technologies, and we would like you to have the potential and desire to grow into a technology leadership role. Passion and initiative are more important to us than conformity. The most outstanding people we have worked with in the past, who have shown the ability to create and scale meaningful technology products, displayed many of the following characteristics:

Critical thinker

Seeks the best solution to a problem, without being attached to their own opinions; comfortable with people challenging their ideas.


Gets things done, not by producing poor quality work, but through focus and rigorous prioritization of the things that matter and have an impact.


Able to clearly and easily communicate complex ideas and concepts.

Intellectually curious

Wants to improve and learn new things versus being satisfied with the status quo; passionate about technology.

Team builder

Builds strong cohesive groups, which not only deliver great products, but are the foundation of a great company.

Key requirements

  • BS, MS or PhD in Computer Science, Mathematics or equivalent
  • Strong grounding in core computer science concepts
  • Experience developing complex web applications or platforms
  • Self-starter with a strong academic record and/or work experience