Senior Software Engineer, Productivity Platform

  • Tokyo, Japan
  • Full-time

Company Description

Square builds common business tools in unconventional ways so more people can start, run, and grow their businesses. When Square started, it was difficult and expensive (or just plain impossible) for some businesses to take credit cards. Square made credit card payments possible for all by turning a mobile phone into a credit card reader. Since then Square has been building an entire business toolkit of both hardware and software products including Square Capital, Square Terminal, Square Payroll, and more. We’re working to find new and better ways to help businesses succeed on their own terms—and we’re looking for people like you to help shape tomorrow at Square.

Job Description

Square has grown into a platform of product services that help merchants run their business. From the inside, these product services are segmented into business units with their own product and engineering teams. Underneath, there’s a platform organization that supports this plethora of products.

Our team, Regulator Productivity Platform, is part of this larger platform organization. We work with product teams to ensure their internal operations needs are met and optimized by building tooling dedicated to operational workflows, such as Case Management, Search, and customizable views into Square’s internal data. We partner with the product teams to configure and leverage these features into cohesive tooling that meet their needs.

As one of the oldest code bases at Square, we are always evolving and refactoring, creating better patterns and adding new features to meet the demands of different requirements throughout all products. Your team will work on a unified configurable interface system to allow more rapid deployment of views as new data elements are introduced.

You will:

  • Design, develop, and deploy incremental improvements to our front-end Ember platform.
  • Work with the team to design and implement our new configuration UI system.
  • Assist product engineers from other teams develop new data views using our platform
  • Contribute to the monitoring, stability, and security of our existing services
  • Communicate technical designs in writing and in person to all kinds of audiences
  • Understand our partners needs and assist turning their requests into scalable features


You have:

  • Working proficiency in the English language
  • Experience working in large full-stack web applications (5+ years minimum)
  • Experience developing in JavaScript, Ruby, Python, Java, or Go
  • Experience developing front-end web applications in Ember, React, or Angular

You may have:

  • Payments, Risk, Compliance, Operations or Workflow Management development experience
  • Developed and iterated on enterprise products
  • Experience working with remote teams

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. 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.


At Square, we want you to be well and thrive. Our global benefits package includes:
  • Healthcare coverage
  • Retirement Plans
  • Employee Stock Purchase Program
  • Wellness perks
  • Paid parental leave
  • Flexible time off
  • Learning and Development resources
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