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 15 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, 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.

Cash App is a mobile-first bank that ranks in the top 10 free apps in the app store with a rapidly growing user base and feature set. Our mission is to provide banking services to all, in particular those that are underserved. Cash is built as a service mesh, communicating via synchronous APIs as well as asynchronous events. The PubSub team is responsible for the mission-critical communication infrastructure that powers scalable, fault-tolerant, and secure asynchronous messaging between microservices.

As a member of the PubSub engineering team, you’ll collaborate with our stakeholders - including product engineers - to:

• Design, build, and own infrastructure projects that provide critical support for tremendous processing requirements
• Dig into the many parts of a large platform using a wide variety of analytical tooling, and if necessary, to add some new ones
• Use a data-driven approach to make the call on any new infrastructure that might need to be added, whether it’s off-the-shelf or built in-house
• Knock down pieces of infrastructure and improve on it to demonstrate resilience
• Work with bleeding edge cloud and database technology

You have:

• Boundless curiosity, autonomy, and a strong sense of accountability
• Strong desire to perform and grow as an engineer, and mentor other engineers
• Demonstrated technical initiative and leadership
• Bachelor's Degree or Diploma in Computer Science, or equivalent experience

Technologies we use and teach:

• Java, Kotlin, Go
• Kafka
• AWS Kinesis, SQS
• Docker, Kubernetes
• gRPC, Envoy
• SignalFx, DataDog, Jaeger, Prometheus
• Hibernate, Vitess, MySQL, Guice

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.

We’re working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is a proud equal opportunity employer. We work hard to evaluate all employees and job applicants consistently, without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class. 

We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible. Want to learn more about what we’re doing to build a workplace that is fair and square? Check out our I+D page. 

Additionally, we consider qualified applicants with criminal histories for employment on our team, assessing candidates in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance.

Block, Inc. (NYSE: SQ) is a global technology company with a focus on financial services. Made up of Square, Cash App, Spiral, TIDAL, and TBD54566975, we build tools to help more people access the economy. Square helps sellers run and grow their businesses with its integrated ecosystem of commerce solutions, business software, and banking services. With Cash App, anyone can easily send, spend, or invest their money in stocks or Bitcoin. Spiral (formerly Square Crypto) builds and funds free, open-source Bitcoin projects. Artists use TIDAL to help them succeed as entrepreneurs and connect more deeply with fans. TBD54566975 is building an open developer platform to make it easier to access Bitcoin and other blockchain technologies without having to go through an institution.