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Casa Logo Casa · IT - Software Development

Senior iOS Engineer

United States, San Francisco · Job Posted February 18, 2026
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Job Description

We’re hiring a founding Senior iOS Engineer to help us design, develop, and ship best-in-class mobile applications that deliver exceptional value to our members. You’ll work closely with our founders, fellow engineers, and designers to create thoughtful and groundbreaking products that deliver exceptional value to our members. You’ll help build our core systems and product and define much of our founding team culture.

Job Responsibility

  • Lead the architecture and development of our iOS applications, ensuring a seamless user experience for homeowners and vendors
  • Prototype new features and applications to quickly respond to user needs and feedback
  • Collaborate closely with designers to create intuitive and beautiful user interfaces
  • Ensure the performance, quality, and responsiveness of our applications through continuous testing and refinement
  • Stay current with the latest advancements in iOS development, and integrate new technologies and methodologies as appropriate
  • Level up a growing engineering team by reviewing code and designs of teammates and providing constructive feedback to maintain high quality

Requirements

  • 5+ years in iOS development
  • strong track record of building and shipping mobile applications
  • deep proficiency in Swift and Apple SDKs/APIs
  • passionate about design and user experiences
  • excited to be a founding engineer at an early-stage startup
  • excited to build
  • think and act like an owner
  • roll up your sleeves
  • mission-driven and adaptable
  • thrive on collaboration and problem-solving
  • work best in an in-person culture
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