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Staff Software Engineer, Voice Agent

Decagon

$250,000 - $375,000
Dec 1, 2025
San Francisco, CA, US
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Decagon is looking to solve the problem of providing concierge customer experience at scale through their conversational AI platform, specifically focusing on improving the real-time voice agent systems to ensure accuracy, responsiveness, and stability.

Requirements

  • 8+ years of engineering experience with significant technical leadership
  • Expertise in real-time systems, streaming pipelines, or audio-based applications
  • Strong debugging skills across audio, networking, and model-driven systems
  • Experience with speech recognition or synthesis systems
  • Experience with VAD, streaming protocols, or other real-time audio systems
  • Experience designing or maintaining LLM-driven applications
  • Experience optimizing performance for low-latency use cases

Responsibilities

  • Own the architecture of Decagon’s real-time voice runtime and shape its long-term roadmap
  • Lead initiatives that improve speech understanding, synthesis quality, and conversational timing
  • Define reliability, testing, and observability standards for live voice interactions
  • Build frameworks that make voice systems easy to debug, measure, and iterate on
  • Mentor senior engineers and help expand the technical culture of the Voice group
  • Collaborate with Research to integrate the next generation of speech models
  • Collaborate with Infra to push the boundaries of latency and performance

Other

  • Ability to define architectural direction and lead cross-functional projects
  • Experience mentoring engineers and influencing engineering standards
  • In-office company
  • Customers are everything, relentless momentum, winner’s mindset, and stronger together values