Simple AI
AI & Machine LearningDirect Ashby career site

Software Engineer

Location
San Francisco, CA · On-site
Job type
Full-time
Level
Mid-level
Experience
4+ years
Listed
30 days ago

Skills & highlights for this role

  • software engineering
  • production systems
  • debugging complex edge cases

Also useful

  • TypeScript
  • React
  • Python
  • Ruby on Rails
  • PostgreSQL
  • AWS

Stated benefits & perks

  • Health
  • Dental
  • Vision
  • Free meals

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.
  • Please note: At this time, Simple AI is unable to provide employment visa sponsorship for this role. We appreciate your interest and understanding.

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.

Read the original posting

From Simple AI's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.

How Rolev.ai helps with this application

Rolev.ai is a job search and application tool for US job seekers. For this Software Engineer role at Simple AI, it shows how your resume fits, tailors your resume to the posting, and prepares the application for you to review.

  • See how you fit

    Openings from employer career sites are ranked against your whole resume—and searchable inside Claude, ChatGPT, and Cursor via Rolev.ai MCP.

  • Tailor without inventing

    Every change to your resume is checked against your original. New experience goes in only with your yes—zero fabricated claims.

  • Draft the full kit

    Tailored and Full Match resumes, role-specific cover letters, and answers to employer screening questions are prepared in seconds.

  • 1-Click Extension Autofill

    The Chrome extension fills the employer's Greenhouse, Workday, Lever, or Ashby form in 1 click. You review it and press Submit.

Common questions

Where is the Software Engineer job at Simple AI located?

This Software Engineer position at Simple AI is located in San Francisco, CA (On-site). Always check Simple AI's application page for specific state eligibility or relocation policies.

What qualifications are required for Software Engineer at Simple AI?

For the Software Engineer role, Simple AI highlights 4+ years of relevant experience; experience with software engineering, production systems, debugging complex edge cases. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Software Engineer position at Simple AI?

This listing links directly to Simple AI's Ashby application page. You can apply directly on Simple AI's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Ashby application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.