Senior Full-Stack Software Engineer

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

ABOUT THE ROLE

Build and improve a voice automation platform that helps businesses create and manage AI-powered conversations. Working across backend services and user-facing applications, you will own projects from architecture through launch and use customer feedback to guide product improvements.

WHAT YOU'LL DO

• Develop features for prompt orchestration, dashboards, analytics, and telephony integrations.


• Build scalable systems across polished interfaces, APIs, and deployment workflows.


• Lead projects from technical design through production, monitoring, and iteration.


• Create intuitive interfaces and APIs that make it easier for customers to get started.


• Support customer onboarding, troubleshoot issues, and translate feedback into product enhancements.

WHAT WE'RE LOOKING FOR

• At least 5 years of software engineering experience, including substantial full-stack work.


• Strong frontend skills with React and TypeScript, plus backend experience with Node.js or Python and AWS.


• Deep understanding of backend distributed systems.


• Experience at venture-backed startups or in a fast-paced technology environment; experience with voice AI is relevant.


• A degree in computer science, computer engineering, or electrical engineering, or equivalent strong technical foundations.


• A collaborative, proactive approach, with ownership from development through deployment and a willingness to suggest improvements.

COMPENSATION & BENEFITS

Base salary: $215,000 to $290,000 annually. Visa sponsorship is available. Equity details were not provided.

LOCATION

On-site in Redwood City, California, United States.