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Cash App Logo

Software Engineer, Person to Person (P2P) Payments

Cash App

$120,700 - $213,000
Oct 8, 2025
San Francisco, CA, US
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Block's Cash App is looking to solve the problem of scaling its core P2P product experience to support millions of customers and billions of dollars in transactions weekly, while maintaining a reliable product and growing its user base network.

Requirements

  • Experience building backend systems
  • working with frontend/mobile teams
  • Java, Kotlin
  • HTTP, JSON, gRPC, Protocol Buffers
  • Vitess, DynamoDB
  • Kafka and event-driven architecture
  • DataDog, AWS, Kubernetes

Responsibilities

  • Scope, build, and scale products, systems, and services that have an immediate impact on our customers
  • Participate in all parts of product development, working with non-Engineering related disciplines (Product and Design) and adjacent Engineering teams (Mobile, Platform, Machine Learning, and Data Science)
  • Be part of a 24/7 on-call support roster for our services, with support from Cash App's core infrastructure teams and peer product teams

Other

  • 2+ years of industry experience
  • Curiosity, creativity, persistence and a desire to get things done
  • A track record of healthy collaboration
  • Work from anywhere: This role can be performed from any location in North America