This posting is no longer listed by Simple Ai.
hirly last saw it live on 2 September 2026. Similar roles are on the live board.
Simple Ai
Software Engineer
San Francisco
Apply through hirly
hirly scores this role against your resume, shows its reasoning, then writes a resume and cover letter for it and fills the application with you. Free to start — no card required.
hirly's read of this role
- Role family
- Engineering
- Seniority
- Mid level
- Country
- US
- Work mode
- On-site / unstated
- First seen by hirly
- 2 Sept 2026
Derived automatically from the posting. Sign up to see how the role scores against your own resume.
the posting
About Simple
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.
Simple AI raised $14M from world-class investors and operators like Y Combinator, First Harmonic, Massive Tech Ventures, Michael Seibel, Jared Friedman, Alexandr Wang, Matt Van Horn, Suhail Doshi, and Scott Wu.
The Team
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 U Chicago and led software at PEAK6. We have grown into a strong team of 20+ and are continuing to scale quickly.
About the Role
We are looking for founding software engineers to help us build the core systems behind Simple AI’s voice agents. You will work across product to make our agents faster, more reliable, and more capable in real production environments.
This is a high-ownership engineering role. You will ship customer-facing features, improve latency and reliability, build internal tools, debug complex edge cases, and help us scale the platform as customer demand grows.
Engineers here work close to the product and close to customers. You should be excited to move fast, own large parts of the system, and build technology that directly impacts revenue for businesses using Simple.
What We Offer
Competitive salary & meaningful equity
Employee-friendly equity terms
An office located in SF
Health, dental & vision insurance
Free lunch & dinner at the office
Late night Ubers
Regular team events & offsites
What You'll Need
4+ 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.
Nice To Have
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.
If you are excited to shape the visual identity of a fast-growing AI company, we would love to chat.
Is this role actually a fit for you?
hirly answers with a score and its reasoning, then writes the resume and cover letter if you decide to go for it.
Score it against my resume