Startups · AI

Full Stack Engineer

Phonely · San Francisco, California · On-site

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About Phonely

Phonely's AI phone agents answer every call, book appointments, and handle customer support 24/7. Trusted by 10,000+ businesses worldwide. Backed by Y Combinator.

About the role

We’re growing incredibly fast and need someone who thrives in a dynamic, high-pressure environment to work across our engineering stack. This role is critical to the success of our company. We’re looking for someone who will roll up their sleeves, dig in, and double down when things get tough. We want someone highly technical, driven, and fun to work with. You’ll be working directly with engineering, product, and customer-facing teams to build and ship fast.

What they're looking for

  • 5+ years of experience building production applications
  • Strong experience with React and Next.js
  • Experience building full-stack applications (API design, backend integration)
  • Solid understanding of TypeScript, modern frontend tooling, and state management
  • Experience working with APIs, real-time systems, and async data flows
  • Understanding of performance optimization and scalable frontend architecture
More about this role

At some point in the future, every business will answer their phone with voice AI. We are making sure that when they build that AI agent, the experience of doing so doesn’t suck.

We’re growing incredibly fast and need someone who thrives in a dynamic, high-pressure environment to work across our engineering stack. This role is critical to the success of our company. We’re looking for someone who will roll up their sleeves, dig in, and double down when things get tough.

We want someone highly technical, driven, and fun to work with. You’ll be working directly with engineering, product, and customer-facing teams to build and ship fast.

NOTE: This is an engineering position. You will be writing a lot of code, and it will be a lot of work. If you’re looking for a cushy corporate job where nothing gets done, this is not the place. If you want to be part of a winning team and make a real difference, read on.

This role is in-office 5 days a week in San Francisco.

Build and maintain high-performance, responsive web applications using React and Next.js

Design and implement end-to-end features across frontend and backend systems

Work closely with backend engineers to integrate APIs,...

Read the full posting on Phonely's site ↗

Engineering

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