Senior Full-Stack Engineer — Voice AI Platform (On-site, CA)

True; Redwood City (CA); On-site; USD 215,000 - 290,000; Full time

Job summary

Unknown is building a voice automation platform in Redwood City, CA. The role involves owning projects from architecture to launch, crafting scalable backend and frontend features, and guiding product improvements through customer feedback.

You will work across interfaces, APIs, and deployment workflows, leading technical design through production while enabling customers to onboard quickly and effectively.

Qualifications

• 5+ years of software engineering experience including full-stack work.
• Frontend skills with React and TypeScript; backend with Node.js or Python and AWS.
• Deep understanding of backend distributed systems.
• Experience at venture-backed startups or fast-paced tech env; voice AI exposure.
• Degree in CS/CE/EE or equivalent strong technical foundation.

Responsibilities

• Develop features for prompt orchestration, dashboards, analytics, and telephony integrations.
• Build scalable systems across interfaces, APIs, and deployment workflows.
• Lead projects from technical design through production, monitoring, and iteration.
• Create intuitive interfaces and APIs to help customers get started.
• Support onboarding, troubleshoot issues, and translate feedback into product enhancements.

Skills

5+ years experience

React

TypeScript

Node.js

Python

AWS

Distributed systems

Voice AI

Collaboration

Education

BS in CS/CE/EE

Job description

Unknown is building a voice automation platform in Redwood City, CA. The role involves owning projects from architecture to launch, crafting scalable backend and frontend features, and guiding product improvements through customer feedback.

You will work across interfaces, APIs, and deployment workflows, leading technical design through production while enabling customers to onboard quickly and effectively.