Staff Software Engineer, Agent Orchestration (Equity)

Decagon; San Francisco (CA); On-site; USD 200,000 - 400,000; Full time

Benefits offered by this job

Take what you need vacation policy

Medical, Dental, and Vision benefits

Life Insurance and Disability Benefits

Retirement Plan (401K)

Parental Leave

Fertility and family building benefits

Daily lunches and snacks in the office

Job summary

Decagon is seeking a Staff Software Engineer for the Agent Orchestration team to design and build the systems that govern how Decagon agents operate in real-world environments.

You will own complex, distributed runtimes and model orchestration logic to ensure agents are fast, reliable, and continually improving. Collaborate with Research, Infra, and Product to ship safe, scalable improvements at scale.

Qualifications

• Experience building distributed systems in production.
• Ability to work in ambiguous, fast-moving environments.
• Experience owning systems end-to-end from design to production.
• Familiarity with experimentation and data-driven product improvement.
• Proven track record improving reliability and performance.
• Strong debugging and root-cause analysis skills.

Responsibilities

• Design and evolve agent harnesses that power different product experiences.
• Build core runtime systems, including AOP execution and multi-model orchestration.
• Develop control-plane logic for routing, planning, and tool invocation with strong safety guarantees.
• Optimize agent systems for latency, reliability, and production correctness.
• Analyze real-world failures and use data to drive iterative improvements.
• Build and operate online experimentation (A/B testing) and contribute to offline evaluation frameworks.
• Improve observability, testing, and simulation systems to ensure safe, measurable progress.
• Contribute to voice and real-time systems (e.g., transcription pipelines, turn-taking, latency improvements).
• Continuously adapt orchestration systems as model capabilities evolve.

Skills

Distributed systems

Backend platforms

End-to-end ownership

Experimentation/data-driven

Reliability/observability

Debug complex systems

Job description

Decagon is seeking a Staff Software Engineer for the Agent Orchestration team to design and build the systems that govern how Decagon agents operate in real-world environments.

You will own complex, distributed runtimes and model orchestration logic to ensure agents are fast, reliable, and continually improving. Collaborate with Research, Infra, and Product to ship safe, scalable improvements at scale.