Staff Software Engineer, Voice Agent

Decagon is the leading conversational AI platform empowering every brand to deliver concierge customer experiences. Our technology enables enterprises like Avis Budget Group, Block's Cash App, Chime, Oura Health, and Hunter Douglas to deploy AI agents across voice, chat, email, SMS, and more.

LOCATION

San Francisco, CA (in-office).

ABOUT THE TEAM

The Voice Agent team builds the real-time systems that allow Decagon agents to carry natural conversations across phone, web, and mobile. We work across speech understanding, audio streaming, synthesis quality, and the voice-specific execution logic that enables timing, pacing, and responsive dialogue.

ABOUT THE ROLE

As a Staff Software Engineer focused on Voice Agent, you'll lead the architecture and evolution of Decagon's voice platform. You'll drive multi-quarter projects that improve timing, responsiveness, audio quality, and reliability across millions of interactions.

IN THIS ROLE, YOU WILL

• 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

YOUR BACKGROUND

• 8+ years of engineering experience with significant technical leadership
• Expertise in real-time systems, streaming pipelines, or audio-based applications
• Ability to define architectural direction and lead cross-functional projects
• Strong debugging skills across audio, networking, and model-driven systems
• Experience mentoring engineers and influencing engineering standards

EVEN BETTER IF

• 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

COMPENSATION

$200,000 – $400,000 USD base salary, plus equity. Take-what-you-need vacation, medical/dental/vision, life insurance and disability, 401(k), parental leave, fertility benefits, daily lunches and snacks.