Staff Software Engineer, Voice Agent

Decagon•San Francisco, CA

23d•$300,000 - $375,000•Onsite

About The Position

As a Staff Software Engineer focused on Voice Agent, you will lead the architecture and evolution of Decagon’s voice platform. You will drive multi-quarter projects that improve timing, responsiveness, audio quality, and reliability across millions of interactions. You will collaborate with Research to integrate the next generation of speech models, with Infra to push the boundaries of latency and performance, and with Product to bring new voice capabilities to customers. You will help set engineering standards for voice, mentor senior engineers, and raise the technical bar for one of Decagon’s most important surfaces.

Requirements

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

Nice To Haves

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