Software Engineer, Horizon
Core
Build primitives and infrastructure for long-running AI agents that learn from outcomes and pursue complex business outcomes over days, weeks, or months.
Role type
Senior IC software engineer (AI agent platform)
Builds
Feedback loops, evaluation systems, memory, signals, decisioning infrastructure, and multi-channel agent systems
Domain
Artificial Intelligence / Large Language Models / Customer Service Automation
Deliverable
production ML models | product features
Required skills
end-to-end production system design, platform and systems engineering, Python, TypeScript, Go, React, orchestration, integrations, data pipelines, observability
Preferred skills
founder/early engineer experience, distributed systems, reusable infrastructure, AI/LLM product deployment, enterprise integrations, financial services or healthcare domain experience
Technologies
Python, TypeScript, Go, React
Responsibilities
Create feedback loops and evaluation systems for agent self-improvement; Design and ship long-horizon agents across voice, SMS, and email; Build reusable systems and abstractions to accelerate agent launches; Solve complex problems in orchestration, data, and multi-channel engagement; Define architecture and roadmap for the Horizon product; Translate prototypes into durable product capabilities
Seniority
Senior, hands-on IC