Mid-level Full Stack Software Engineer Jobs in San Francisco, California

5 open Mid-level Full Stack Software Engineer jobs in San Francisco, California at 5 companies, including OpenAI, HeyGen and Factory. Updated daily from company career pages.

OpenAI

OpenAI is an AI research and deployment company that conducts research and implements machine learning.

Software Engineer, Full Stack (People Innovation) San Francisco, California · $200,000 - $385,000 USD

HeyGen

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

Fullstack Software Engineer San Francisco, California · $180,000 - $215,000 USD

Factory

The machine that builds the machine.

Software Engineer, Fullstack San Francisco, California

Ema

Ema develops AI technology to empower enterprise employees by delegating repetitive tasks.

Software Engineer, Full-Stack San Francisco, California · $135,000 - $300,000 USD

Layer Financial Technologies

Embedded Accounting for SMB platforms. Layer helps software companies launch accounting to their SMB customers.

Fullstack Engineer San Francisco, California

Updated 2026-10-11.