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Software Engineer, Agent

Embedding Vc · San Francisco Bay Area

onsiteunknown$300,000–$300,000Posted Sep 9, 2026GoReactNext.jsLLMMCPCLILangGraph

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About this role

## 🎨 About OpenArt OpenArt is an AI storytelling and visual creation platform used by millions of creators worldwide. We’re building the next generation of creative tools powered by cutting-edge AI—enabling anyone to create videos, visuals, characters, and stories with unprecedented speed and imagination. We believe the future of creativity is AI-native, and we’re shaping that future. 🚀 ### Why Join OpenArt - **Ground floor of a new category** — help define what “agent” means for creative work. - **Small team, massive surface area** — engineers own real systems end to end. - **Real scale, real stakes** — your agents run for millions of creators. - **Founder-led engineering culture** — both founders are technical and deeply involved. - **AI-native product** — help orchestrate frontier models into effortless experiences. - **High ownership, low process** — judgment, clarity, and speed over bureaucracy. --- ## 🎯 About the Role We’re hiring engineers to build the **agent layer** behind OpenArt’s next generation of creative products, starting with **Director**—which lets anyone “vibe direct” a multi-minute cinematic video by chatting with AI. You’ll build the agent infrastructure that pushes these experiences further, including: - longer-horizon planning - tool use across multiple model vendors - memory across sessions - production reliability (evaluation + harnessing) This is **not** a research role—it’s a **product-and-systems** role. You’ll: - extend the agent harness (tool use, context management, multi-step planning, evaluation) - develop **MCP servers** and **CLI tooling** around it - ship **frontend experiences** that make everything feel effortless, not technical You’ll work closely with founders, the agent team, and design to turn “what should this agent be able to do” into a system that works **reliably at scale**. --- ## 🛠 What You’ll Do - Build and extend the **agent harness** powering conversational and autonomous creative workflows (tool use, context/memory management, multi-step planning, sub-agent orchestration). - Build and maintain **MCP servers** and **CLI-based agent tooling** connecting agents to internal services, external model vendors, and creative asset pipelines. - Author reusable **Agent Skills** and structured workflows for complex, multi-step creative tasks (scene planning, storyboarding, asset generation, revision loops). - Contribute to **evaluation frameworks** and **observability** to catch regressions before users do. - Ship polished, production **frontend experiences** (React/Next.js) for agent-driven products end to end. - Make pragmatic trade-offs between **speed, correctness, and scalability**, and communicate them clearly. - Partner with product, design, and GTM to translate user needs into technical solutions. - Stay on top of the fast-moving agent ecosystem (MCP, Agent Skills, orchestration frameworks) and bring the best into OpenArt’s stack. --- ## ⚙ What We’re Looking For ### Core Requirements - **2+ years** of full-stack engineering experience shipping production software. - Hands-on experience building **LLM-powered agents** or applications that reached real users (not just prototypes/demos). - Working familiarity with agent harness concepts: **tool use**, **context/memory management**, **multi-step planning**, or **sub-agent orchestration**. - Strong **data modeling** and **schema design** skills for real product use cases. - Strong **AI-assisted coding** practice (e.g., Claude Cod

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