Extensional AI

A community platform for generative interactivity

Frontend Generalist

$80k - $200k
San Francisco, CA, US
Job Type
3+ years
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Matthew Mirman
Matthew Mirman

About the role

Extensional is looking for a creative and playful frontend engineer/generalist to rethink coding as a democratized collaborative experience for the masses. We are hoping to find a founding engineer to help build a design team to a company with design-first philosophical goals. The ideal candidate will have a portfolio of work showcasing their UX/design/building skills, and experience leading teams.


  • 5+ years of web/app design experience.
  • Has led a team.
  • Is on a first-name basis with CSS/Javascript
  • Familiarity with mockup-tools such as Figma/Sketch/Adobe.
  • Comfortable moving to the SF Bay Area/Zurich

About Us

We're building a collaborative platform for exploring the capabilities of emergent self-coding AI. The founders have PhDs in AI and compilers from top universities, and are alumni of Snyk, Google, Apple, and Venmo.

Office Life & Perks

Located between Hayes Valley SF and Zurich Switzerland, Extensional firmly believes in hybrid work. We sponsor yearly off-sites to ski-chalets in the alps, and frequently enjoy the team-building powers of the redwoods and Sonoma.

Why you should join Extensional AI

Extensional is building a platform for facilitating the community exploration of the potentially limitless capabilities of large language models (LLMs) for generating interactive art and programs.

Extensional AI
Team Size:2
Matthew Mirman
Matthew Mirman
James Spoor
James Spoor