Software Engineer

Simple AI; San Francisco (CA); On-site; USD 130,000 - 280,000; Full time

Benefits offered by this job

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

Job summary

Simple AI is hiring founding software engineers to build the core systems behind its voice agents. You will work across product to make agents faster, more reliable, and capable in production environments.

This high-ownership role ships customer-facing features, improves latency, builds internal tools, debugs edge cases, and scales the platform as demand grows. The team works closely with product and customers in a fast-moving startup.

Qualifications

• 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.

Responsibilities

• Build the core systems behind Simple AI’s voice agents.
• Ship customer-facing features, improve latency and reliability.
• Build internal tools and debug complex edge cases.
• Scale the platform as customer demand grows.
• Engineers here work close to the product and customers to move fast.

Skills

problem solving

customer-focused

independent work

learning AI

Tools

TypeScript

React

Python

Ruby on Rails

PostgreSQL

AWS

Job description

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.

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

Compensation Range: $130K - $280K