Senior Software Engineer

  • Atlanta, GA, USA
  • Full-time
  • Alternate Location: Atlanta, United States
  • Current Square Employee?: Apply via go/jobs with your Square email.

Company Description

Cash App is the fastest growing financial brand in the world. 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 money app with over 30 million active monthly users.

Loved by customers and by pop culture, we've held the #1 spot in finance on the App Store for almost two years, and our social media posts see more engagement in a day than most financial brands see in a year.

With major offices in San Francisco, New York, St. Louis, Portland, Toronto, Kitchener-Waterloo, and Melbourne, Cash App is bringing a better way to send, spend, and save to anyone who has ever sought an alternative to today's banking system.

About the teams:

  • Consumer Banking - builds essential checking account services (e.g., direct deposit, remote check deposit, bill pay) to our customers to promote banking adoption. Banking Cards - focuses on creating growth in Cash Card adoption and sign ups, by offering highly customizable card (hardware) options.
  • Balances - inspires the various ways users can bring money in Cash to power our product ecosystem (spending, payment, investing, and bitcoin).
  • Growth - helps grow Cash App by building net new products or taking existing products to the next level.
  • Growth Optimization - works to increase both the number of customers using Cash App and the amount of valuable activity these customers are engaging in.

Job Description

As a Senior Software Engineer, you'll bring millions of new users to the app by building interesting new products. You'll create great user experiences at scale and conduct experiments to discover what works, deploying to production multiple times a day. The things you'll build will create impact at scale.

As a member of the Cash Product engineer team, you'll:

  • Identify, scope and lead large technical projects with enormous impact across the company 
  • Be actively involved in setting strategic direction and implementing an expanding roadmap
  • Own problems end to end from ideation through planning and scoping to implementation and launch
  • Translate functional and technical requirements into detailed architecture and design
  • Design APIs and data models to work within microservice and event-driven architectures
  • Participate in code and design reviews to maintain our high development standards
  • Evolve and improve existing backend systems to meet product iteration velocity while maintaining a high quality bar
  • Mentor other engineers and help cultivate a fast-growing team


You have:

  • 8+ years of software development or equivalent experience
  • Experience building product/services end-to-end from technical design, implementation, testing to delivery
  • Natural curiosity and persistence
  • Technical initiative and leadership on previous projects
  • Demonstrated experience working collaboratively in cross-functional teams
  • Bachelor's Degree in Computer Science or equivalent experience

We use and teach:

  • Java, Kotlin
  • AWS
  • HTTP, JSON, gRPC, and Protocol Buffers
  • OkHttp, Jetty, JUnit, and Guice
  • Hibernate, MySQL, DynamoDB
  • Kafka, events, microservices
  • DataDog, Prometheus, SignalFx

Additional Information

All your information will be kept confidential according to EEO guidelines.

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 state and city guidelines.

Privacy Policy