Staff Software Engineer, Agent Orchestration

Decagon•San Francisco, CA

14d•Onsite

About The Position

Decagon is the leading conversational AI platform empowering every brand to deliver concierge customer experience. Our AI agents provide intelligent, human-like responses across chat, email, and voice, resolving millions of customer inquiries across every language and at any time. Since coming out of stealth, Decagon has experienced rapid growth. We partner with industry leaders like Hertz, Eventbrite, Duolingo, Oura, Bilt, Curology, and Samsara to redefine customer experience at scale. We've raised over $200M from Bain Capital Ventures, Accel, a16z, BOND Capital, A, Elad Gil, and notable angels such as the founders of Box, Airtable, Rippling, Okta, Lattice, and Klaviyo. We’re an in-office company, driven by a shared commitment to excellence and velocity. Our values— customers are everything , relentless momentum , winner’s mindset , and stronger together —shape how we work and grow as a team. The Agent Orchestration team builds the core execution layer that powers every agent interaction. This includes the systems responsible for coordinating model reasoning, evaluating agent behavior, and ensuring that agents behave reliably in real customer environments. We focus on correctness, reliability, and speed. Our work shapes how Decagon agents plan, decide, and take actions across millions of interactions. As a Staff Software Engineer on the Agent Orchestration team, you will own the long term architecture of Decagon’s agent platform. You will lead large, multi quarter initiatives that shape how our orchestration engine works, how it scales, and how engineers across the company build on top of it. This role is for someone who thrives on technical depth, can influence across teams, and enjoys creating strong, principled systems that last. You will work closely with Research, Infra, Product Engineering, and Agent SWE to define the standards and frameworks that keep Decagon agents reliable and intelligent.

Requirements

8+ years of engineering experience with a strong record of technical leadership
Proficiency in Python or Typescript and comfort with asynchronous programming
Expertise in distributed systems, concurrency, or large-scale real-time platforms
Ability to define long-term architecture and lead complex cross-functional projects
Strong instincts around system correctness, reliability, and debuggability
Experience mentoring other engineers and raising the technical bar

Nice To Haves

Experience designing runtimes, execution engines, or agent frameworks
Experience with model driven applications or complex orchestration logic
Experience with evaluation or experimentation systems
Experience influencing engineering standards across multiple teams

Responsibilities

Own the architecture and evolution of the core execution engine behind Decagon agents
Lead design for systems that coordinate complex reasoning and action flows at scale
Drive reliability, testing, and observability standards across the orchestration stack
Create frameworks that enable safe, fast iteration on agent behavior
Mentor senior engineers and help grow the technical culture of Agent Orchestration