Staff Software Engineer, Voice Agent

Stack

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

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 have

• ▹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

What we offer

• ▹Take-what-you-need vacation policy (subject to local requirements; UK employees receive 25 days of statutory leave)
• ▹Medical, dental, and vision benefits for you and your family
• ▹Life insurance and disability benefits
• ▹Retirement plan (e.g., 401K, pension)
• ▹Parental leave
• ▹Fertility and family-building benefits through Carrot
• ▹Daily lunches and snacks in the office

About the company

Decagon is the leading conversational AI platform empowering every brand to deliver concierge customer experiences. Its technology enables enterprises like Avis Budget Group, Block's Cash App and Square, Chime, Oura Health, and Hunter Douglas to deploy AI agents across voice, chat, email, SMS, and other channels. Decagon is backed by investors including a16z, Accel, Bain Capital Ventures, Coatue, and Index Ventures.