Phonely
Full Stack Engineer
$160K–$210K
San Francisco, California · On-site · Full-time · Posted Apr 13, 2026
- Experience
- 5+ years of experience building production applications.
About the job
Build and maintain full-stack web applications and internal tools for creating, monitoring, and controlling voice AI agents.
What you'll do
- Build responsive applications and end-to-end features across frontend and backend systems.
- Integrate APIs, real-time systems, and voice AI workflows; improve performance, reliability, and usability.
- Contribute to UI/UX quality, system design, architecture decisions, and product direction.
What they ask for
- Strong experience with React and Next.js.
- Experience building full-stack applications, including API design and backend integration.
- Solid understanding of TypeScript, modern frontend tooling, and state management.
- Experience with APIs, real-time systems, and async data flows.
Nice to have
- Familiarity with cloud environments, CI/CD, and modern deployment workflows.
- Understanding of performance optimization and scalable frontend architecture.
Pay
$160K – $210K (USD, base salary)
Tools
React, Next.js, TypeScript, Python, AWS, GCP, Kubernetes, Redis
AI focus
Build tools and workflows for voice AI agents, including real-time call handling and LLM orchestration.
Model-written summary · the original posting is authoritative