Simple AI is building state of the art voice AI agents for enterprise. Our realistic agents help iconic businesses like Doordash, xAI, and Omaha Steaks handle all kinds of phone operations, from customer support to order intake to lead qualifications. We are growing revenue like crazy and looking to hire a couple founding software engineers to help us stay afloat of current customer demand and also build out systems for the future. We are very excited about the potential for AI to change the world, and work out of our SF based office 5 days a week.
Simple AI is backed by world-class investors and operators like Y Combinator, Massive Tech Ventures, Michael Seibel (co-founder of Twitch), Jared Friedman (Scribd), Alexandr Wang (Scale AI), Matt Van Horn (June Oven and Lyft), Suhail Doshi (Mixpanel), JJ Fliegelman (WayUp) and Scott Wu (Cognition).
The TeamWe have a tiny, talented team of 6. The founders (Catheryn and Zach) met while running software teams at YC, where they shipped tons of new products for YC founders, including YC’s co-founder matching site. Cat previously worked at Instagram and Facebook and earned degrees in math and computer science at MIT. Zach previously studied computer science and statistics at UChicago and led a software team at PEAK6.
What We OfferCompetitive salary & meaningful equity
Employee-friendly equity terms
An office located in SF
Health, dental & vision insurance
Free lunch & dinner at the office
Free Ubers home after 8:30pm
Regular team events & offsites
We're looking to hire a versatile backend or full-stack engineer to join us in-person at our SF office as a founding engineer. This is your chance to work at the forefront of voice AI technology with a massive market opportunity.
You’ll work on developing, evaluating, and deploying state-of-the-art LLM and voice systems that push the limits of conversational AI. You’ll also build tools that make it easier to create such agents.
As a founding software engineer, you should be self-motivated and passionate about joining an early-stage startup tackling a massive market. We’re looking for people who want to have large ownership and work closely with customers to build products they'll love.
What You'll Need4+ years of relevant work experience.
Strong problem-solving skills and enthusiasm for addressing technical challenges.
A customer-first mindset with strong communication skills and interest in product design and prioritization.
Self-motivated and able to work independently.
Passion about learning and keeping up with latest AI advancements.
Previous experience with prompt engineering or working with AI/LLM-based platforms.
Experience as an early-stage startup engineer or founder.
Experience with TypeScript, React, Python, Ruby on Rails, PostgreSQL, AWS.
Top Skills
What We Do
Simple AI - AI phone agents made Simple. We help enterprises build and deploy AI phone agents in days, not weeks.








