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Staff Software Engineer, Bitcoin

Cash App

$263,600 - $395,400
Dec 2, 2025
San Francisco, CA, US
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Block is looking to build and operate at scale systems that support millions of CashApp users and Square Sellers Buying and Selling more than US$2bn every quarter. The team will be instrumental in shaping the platform's capabilities to manage BTC liquidity, ensuring Block products can support customer needs with unparalleled efficiency and simplicity.

Requirements

  • Demonstrable technical expertise in distributed system architecture and/or the digital asset domain with organizational influence and impact
  • A history of contributing and driving all parts of the SLDC
  • Experience building backend systems at scale, utilising modern eventing, database, and infrastructure tooling
  • Kotlin, Go, Java, Typescript
  • Docker, Kubernetes
  • Temporal, Datadog
  • Bitcoin, Lightning

Responsibilities

  • Deliver high-impact technical solutions and lead resolution of complex, ambiguous problems while shaping architecture and driving technical innovation.
  • Shape strategy by defining vision and long-term technical roadmaps.
  • Build trusted relationships across functions and domains by fostering clarity and shared context, and guiding decisions across diverse perspectives.
  • Drive stewardship of technical excellence and developer experience by setting and reinforcing technical standards by modelling behavior and guiding others through feedback and support.
  • Be on-call for the services you and your team build, driving visibility into systems and business operations through observability tools like Datadog

Other

  • Partner with senior stakeholders to connect engineering decisions to strategy.
  • Work in a highly collaborative environment that offers flexibility and autonomy so that you can perform to the best of your abilities
  • A pragmatic approach with a focus on delivery and business outcomes.
  • A passion to learn more about and contribute to the dynamic and revolutionary world of Bitcoin and other digital assets
  • A history of leading by example and mentoring as you level up the skills of those around you.