Mid-level Frontend Software Engineer Jobs in San Francisco, California

7 open Mid-level Frontend Software Engineer jobs in San Francisco, California at 7 companies, including HeyGen, Ramp and Factory. Updated daily from company career pages.

HeyGen

Next-gen generative AI video platform with customizable AI avatars, right from your browser

Ramp

Ramp is a finance automation platform that helps businesses spend less time and money.

Factory

The machine that builds the machine.

Lightning AI

Lightning AI is the first operating system for AI. Build AI models and Lightning Apps (end to end ML systems).

Candid Health

Candid Health is the revenue cycle automation platform for modern healthcare providers.

Spellbrush

Spellbrush is an illustration platform that enables artists, illustrators, and animators to complete projects more quickly.

Doss

Doss offers the Doss Adaptive Resource Platform, an ERP-alternative for creating custom workflows.

Updated 2026-10-10.