About this opportunity
HartleyCo lists this Senior Software Engineer (Front End) opportunity in san francisco, California. Review the employer’s description below for duties, qualifications and application requirements.
Job description
A 50-person, YC-backed voice AI company is building the operating platform for AI-powered contact centres.
The company reports growth from $5M to $80M ARR since the beginning of 2025. Its technology is already being used by major enterprises across healthcare, travel, technology, and logistics.
This role owns the frontend customers use to configure, monitor, and improve AI agents.
You will:
Build prompt-management, dashboard, analytics, and operational workflows
Own frontend projects from architecture through launch
Work primarily in React and TypeScript
Collaborate closely with backend and infrastructure engineers
Debug real production issues with customers
Turn recurring customer friction into durable product improvements
Influence frontend architecture while the engineering team is still small
You should have:
2+ years building production software
2+ years of production React and TypeScript experience
Experience in a venture-backed product company
A US bachelor’s degree in CS, CE, EE, or a related technical discipline
Evidence of owning substantial product work, not only implementing isolated components
Strong communication and a willingness to work directly with customers
Availability to work on-site in Redwood City
This will suit an engineer who wants visible ownership, strong cash compensation, meaningful equity, and direct exposure to a product operating at real enterprise scale.
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Worksite address
san francisco, CA, 94199, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.