Android Engineer, Point of Sale

  • San Francisco, CA, USA
  • Employees can work remotely
  • 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 helps sellers of all sizes grow their business through Square Point of Sale and our growing ecosystem of add-ons. Come join one of the many teams within Seller at Square. Each team included below has unique and interesting opportunities – there’s almost certainly something for you!

As an Android engineer, you will have complete ownership over the surface areas in the POS applications to make these experiences magical -- for sellers, cashiers and buyers alike. You will work with BE, FE and fellow client engineers to develop new features and improve on existing experiences, and in the process, contribute to one of our most recognized products in the world. You'd also get to work with our flagship hardware products -- Square Register and Square Terminal, as our product experiences are tailored to work even better than on an iPad through these hardware integrations.

We have opportunities across the following teams:

Square Point of Sale

The Square Point of Sale team owns Square’s flagship product. When you go into a coffee shop and sign with your finger on an iPad or Square Register, you’re using Square Point of Sale. We have the privilege of building tools that help millions of sellers do their job every day.

The Point of Sale team team focuses on building features that work for sellers of all sizes and business types – from the plumber down the street, to your local flower shop, to the multi-store coffee shop with 10s or even 100s of employees. The hardware that Point of Sale runs on is designed to match this diversity – our features work on everything from an iPhone up to our own Square Register hardware, and everything in between.

Customer Engagement 

This team is charged with building the best products and tools to help sellers build lasting relationships with their customers -- that’s how any local business achieves long term success. Today, they own three add-on products -- Loyalty, Marketing, and Gift Cards. These products help businesses stay top of mind and turn first-time visitors into repeat customers, to regulars, to loyal customers, to promoters. They work to make these products flexible to suit the needs of a diverse merchant base, and create remarkable experiences for both merchants and customers, utilizing unique POS and native interactions.


The Invoices team helps Square merchants manage their customer workflow and get paid remotely. They facilitate the merchant's relationship with their customers by providing them with the ability to send Estimates and collect payments through invoicing and our recurring billing platform. As a member of the Invoices mobile team, you will work within Square’s Point of Sale code base and have the ability to impact all of the apps in our ecosystem including our standalone Invoices app.


Square’s POS systems puts the ability to deliver personalized customer experiences at the fingertips of any Square seller. Restaurants can offer regular customers their favorite menu items, respect dietary preferences, or remind a customer they have a Loyalty reward to redeem. The Customers Directory team has two primary responsibilities: (1) provide the building blocks that enable these customer-focused experiences across Square’s portfolio of products and (2) build the CRM product (Directory) that sellers rely on every day to manage their customer profiles. (1.46M Monthly Active Users)

As an Android engineer on the Directory team, you’ll build the APIs, UI components, and product features that let sellers see the right customer information when they need it.


You'll need to: 

  • Be proficient in Java or Kotlin for development (we use both).
  • Enjoy working on mobile apps at all levels – from networking up to user interfaces and whatever's in between.
  • Build high availability and resilient systems which can accept and report payments no matter the network or device conditions.
  • Work with iOS, Android, and Server engineers to ship features.
  • Work with product managers and designers to refine and decide product scope.
  • Respond to customer feedback to improve our products.

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
  • Paid time off
  • Learning and Development resources