Job Board
LogoLogo

Get Jobs Tailored to Your Resume

Filtr uses AI to scan 1000+ jobs and finds postings that perfectly matches your resume

Cash App Logo

Senior Software Engineer - Hardware Developer Experience

Cash App

$185,200 - $326,800
Aug 22, 2025
San Francisco, CA, US
Apply Now

Enhancing the productivity and efficiency of developers working with Square hardware devices by developing and maintaining internal tooling, libraries, and infrastructure.

Requirements

    • Proficiency in Python, as it will be the primary language used.
    • Strong computer science fundamentals including Linux/Unix systems, networking protocols, data structures, algorithms, and hardware-software interfaces that enable you to debug complex issues across the software and hardware boundaries.
    • The ability and passion to discover and drive projects that increase developer velocity.
    • Strong ability to collaborate within the team and with adjacent teams, including experience with version control, release management, and coordinating dependency updates across multiple repositories.
    • A passion for building and shipping internal tools and products and working directly with internal customers to rapidly improve their development experience.
    • Experience with Android Open Source Project (AOSP) development and communication protocols.
    • Experience with shipping software for Linux and MacOS (arm, x86).

Responsibilities

  • Develop and maintain software test platforms for hardware-in-the-loop testing, ensuring high reliability and performance.
  • Oversee the entirety of your features, including component design, implementation, automated testing, rollout, documentation, and maintenance.
  • Provide technical support and triage issues related to all tools Hardware DX owns.
  • Occasionally contribute to and review local and cloud developer environments.
  • Occasionally contribute to and review internal-facing web applications.
  • Give technical direction to projects
  • Hold yourself and your teammates accountable to the high standards of engineering that enable Square to safely process billions of dollars in payments and protect sensitive customer data.

Other

  • You will report to the engineering manager for the team.
  • Work closely with other engineers, technicians, and product managers to develop excellent product experiences
  • Block is an equal opportunity employer evaluating all employees and job applicants without regard to identity or any legally protected class.
  • We will consider qualified applicants with arrest or conviction records for employment in accordance with state and local laws and “fair chance” ordinances.
  • We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process.