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Engineering Manager, Voice Agents Platform

CoffeeSpace

Redwood City · Hybrid Full-time Lead $220k – $250k/yr 2w ago

About the role

About

Join a 35-person team transforming an industry with AI agents functioning like experienced property managers. HOAi grew customer count 13x in 2025, went from $0.5M to seven-figure ARR in a year, operating inside Vantaca, a PE-backed platform valued at $1.25B with 6M+ doors. Backed by Cove Hill Partners and JMI Private Equity, targeting $20M+ ARR in 2026.

As Engineering Manager for the Voice Agents Platform, you will own the technical vision and execution for HOAi's Voice AI agents, leading a team of 4 to 8 engineers while remaining hands-on with code, design, and architecture 50% of the time.

Why this role is remarkable

  • Own the technical direction of a Voice AI platform in a rapidly growing company.
  • Lead a team building production-grade conversational AI including voice, chat, and multi-channel experiences.
  • Fast process with startup speed and ownership culture inside a PE-backed business scaling engineering from 11 to 30+ engineers.

What you will do

  • Lead architecture and development of the Voice AI agent platform across voice, chat, and multi-channel.
  • Contribute to system design, code reviews, and implementation in LLM orchestration, real-time streaming pipelines, WebRTC, and telephony infrastructure.
  • Manage, mentor, and guide a team of 4 to 8 engineers.
  • Own technical direction for agent reliability including session lifecycle management, real-time orchestration, and automated degradation strategies.
  • Use tools like Cursor and Claude Code daily.
  • Collaborate with product and design teams to translate customer needs into agent capabilities.
  • Work closely with CEO and senior engineering leadership to shape the roadmap through 2026.

The ideal candidate

  • 5 to 10 years software engineering experience with 2+ years leading teams.
  • Strong distributed systems fundamentals: queues, workers, caching, event-driven architectures.
  • Hands-on experience building real-time low-latency systems using WebSockets, streaming, or similar.
  • Experience with LLM-powered applications in production.
  • Exposure to voice infrastructure: WebRTC, telephony, SIP concepts, STT, and TTS pipelines.
  • CS or engineering degree.
  • Active daily use of AI coding assistants.
  • Startup background between Series A and D with a scrappy mindset.
  • Not a pure people manager or manager of managers.
  • Not from heavily ML or data engineering backgrounds.
  • Prefers fast-paced startup environments over slow corporate settings.

Next steps

  • Apply via the LinkedIn job post.
  • Review and outreach if a strong match.
  • Direct introduction to the team if aligned.
  • Possible introductions to other startup roles if not the right fit.

Additional info

  • H1B transfers welcome.
  • Relocation support available.
  • Work schedule: Tuesday through Thursday in-office (hybrid).

Skills

AI coding assistantsCachingClaude CodeCode reviewsCursorEvent-driven architecturesLLM orchestrationReal-time streaming pipelinesSIPSTTStreamingTelephonyTTSWebRTCWebSocketsWorkers

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