We are open to hiring in multiple locations within the US & Canada (EST preferred for this role).

Cash App is the fastest growing financial brand in the world. Initially built to take the pain out of peer-to-peer payments, Cash App has gone from a simple product with a single purpose to a dynamic app with over 30 million monthly active users. We are bringing a better way to send, spend, invest, and save to anyone who has ever sought an alternative to the traditional banking system.

Loved by customers and pop culture, we’ve consistently held the top spot for finance in the App Store for many years, seeing more engagement with millions of followers across social media in a day than most brands see in a year. We are building an ecosystem to redefine the world’s relationship with money by making it universally accessible. 

We want to hire the best talent regardless of location. Our employment model is distributed, offering the opportunity to collaborate with teams across the world in San Francisco, New York, St. Louis, Portland, Toronto, Kitchener-Waterloo, Sydney, and Melbourne. 

The Commerce team is building new retail payment experiences on Cash App that leverage our vast omni-channel Seller ecosystem at Square. We make this possible via an OAuth 2.0 based API to empower the consumer in what is traditionally a merchant and bank-controlled world. For a demo of the payment experience, check out shop.cash.app

As a senior engineer on the team, you will own the design, creation and maintenance of the services used to deliver our public APIs. You will work with internal teams and external partners to ensure the solutions you develop work with their systems and meet the reliability and scalability required to deliver first-in-class customer experiences. As our systems require high availability, you'll design systems to handle large system outages without impact to our customers. You'll care about performance, down to the millisecond, and know how to not only implement, but to maintain these systems. You'll be joining the founding team early in the product lifecycle (no legacy work here!), with plenty of opportunities to continue shaping it from an engineering and product-perspective.
 

You will:

• Build highly performant systems that can handle millions of requests per day to enable Cash App third party experiences
• Work cross-functionally with our product teams, other engineering teams, and partner developers to design new services.
• Build systems that maintain customers sensitive data and hold Cash App to the highest standards for security and compliance.
• Design fault tolerant systems so the team can iterate quickly and take calculated risks without negative impact reaching our customers
• Lift the skills and expertise of others on the team as a technical leader

You have:

• 8 or more years of software development or equivalent experience
• Experience building highly scalable, low-latency global systems
• A sense of developer empathy that influences the third party developer experience
• Desire to help build all aspects of our API Platform in a small, highly focused, and very expanding team.
• A vested interest in advancing Cash App's vision of building for economic empowerment

Tools we use and teach:

• Java 11 including JUnit, Hibernate, and Guice
• Kotlin
• HTTP, JSON, gRPC, and Protocol Buffers
• MySQL, TiDB
• Amazon Web Services
• Event-driven microservice architecture

Cash App treats all employees and job applicants equally. Every decision is based on merit, qualifications, and talent. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

We will consider for employment qualified applicants with criminal histories in a manner consistent with each office’s corresponding local guidelines.