Senior/Staff Software Engineer, Agent

The role

You will lead the agentic architecture for OpenArt's creative products. You will design the agent harness, build MCP servers and CLI tooling, and ship production frontend experiences.

What you will do

• Own the end-to-end architecture of the agent harness
• Design how agents plan and execute long-running creative tasks
• Build and maintain MCP servers and CLI-based agent tooling
• Author reusable Agent Skills and structured workflows
• Build the evaluation and observability stack
• Drive reliability, latency, and cost per successful run
• Ship polished, production frontend experiences (React/Next.js)
• Set the technical bar for agent engineering through architecture reviews and mentorship
• Track the agent ecosystem and decide stack components
• Partner with founders, product, design, and GTM

Required qualifications

• 7+ years of full-stack engineering experience shipping and owning production systems at scale
• 2+ years building LLM-powered agents in production
• Deep, hands-on experience with agent architecture: tool use, context/memory management, multi-step planning, sub-agent orchestration, and long-running workflows
• Track record of designing evaluation frameworks and observability for agentic systems
• Strong system design and data modeling skills
• Experience authoring reusable Agent Skills, structured agent workflows, or equivalent abstractions
• Demonstrated technical leadership
• A strong AI-assisted coding practice using tools like Claude Code, Codex, or Cursor
• High product sense
• Strong communication skills

Nice to have

• Practical experience building MCP servers and CLI tooling for agents
• Experience with agent orchestration frameworks (Claude Agent SDK, LangGraph, or similar) and LLM evaluation / observability tooling
• Hands-on experience with image / video generation models and creative asset pipelines
• Experience with guardrails, safety, and cost controls for autonomous systems
• Startup experience or ownership of a product surface from 0 to 1

Benefits

• Equity — meaningful ownership in what you build
• High autonomy, high growth environment

Before you apply

• Visa sponsorship available

About the company

OpenArt is an AI storytelling and visual creation platform used by millions of creators worldwide. They are building the next generation of creative tools powered by cutting-edge AI.