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Staff Software Engineer, GTM Engineering

Cash App

$263,600 - $395,400
Aug 21, 2025
San Francisco, CA, US
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Block is looking for a Staff Engineer to work on backend platforms responsible for customer communications, ensuring timely and reliable transactional and marketing messages across SMS, email, and in-app notifications. The goal is to improve performance and reliability of these critical communication systems.

Requirements

  • Java, Golang, Python
  • Guice, Guava, gRPC, Protocol Buffers
  • AWS, MySql, NoSql, Kafka, Temporal
  • Experience with SMS, VOIP, or email infrastructure

Responsibilities

  • Drive critical infrastructure that the company and its customers rely on.
  • Partner cross-functionally with a broad impact on current and future projects throughout the company
  • Lead org-wide initiatives: influencing our technical strategy for communications across multiple products
  • Contribute to our technical leadership - share learnings, improve our operational stance, and drive the future of our communication platform

Other

  • 12+ years of experience delivering high-value, high-impact projects
  • A track record of leading large backend projects at scale
  • Strong skills in communication and collaboration with cross-functional peers