Founding Engineer

CleraSan Francisco, CA
$175,000 - $225,000Onsite

About The Position

Join an early-stage consumer AI startup as a Founding Engineer — a rare 1-of-1 role working directly alongside the founding team to shape both the product and engineering culture. This company is building a real-time AI-enabled platform designed to digitize human connection, making AI interactions feel genuinely present and personal. You'll help lay the technical foundation from the ground up in a fast-moving, high-ambition environment.

Requirements

  • Computer Science degree from a top university.
  • 2–7 years of professional software engineering experience (not a new grad).
  • Strong CS fundamentals and a track record of technically complex side projects.
  • High energy, entrepreneurial spirit — prior startup or fast-moving environment experience strongly valued.
  • Proficiency in Python, including typed scientific Python.

Nice To Haves

  • Experience with real-time media, vision/video model training or deployment, memory systems, or audio synthesis.
  • Familiarity with agentic coding or AI-assisted development workflows.

Responsibilities

  • Build across the full application, collaborating closely with the founder, design team, and other engineers.
  • Design and implement systems for memory, retrieval, proactivity, and AI responsiveness.
  • Integrate real-time video generation and audio synthesis models — both internal and third-party.
  • Set the bar for engineering quality and play an active role in recruiting world-class talent.
  • Extensively use the product yourself to ensure real user value and quality.

Benefits

  • Visa sponsorship available
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