Software Engineer Platform Role at Sim: Building Visual AI Agent Development Platform
By
waleedlatif1
Reliable enough to start your morning with. Toast it again tomorrow.
Summary
Sim, an open-source AI agent platform with 70,000+ developers, is hiring a Software Engineer for their Platform team. The role involves leading the visual canvas interface (described as 'Figma for AI agents'), owning front-end architecture, and building systems that transform visual workflows into production AI agents. The position requires deep React/TypeScript experience, strong product/UX sense, and experience with complex interactive UIs. Sim is a Y Combinator-backed startup with $7M Series A funding from notable investors including Paul Graham and Perplexity.
Key quotes
· 5 pulledSim is the open-source platform to build, deploy, and orchestrate AI agents. Over 70,000 developers — from early-stage startups to the U.S. Government — use Sim to turn ideas into production-grade agentic workflows on a visual, Figma-like canvas.
Sim has been called the 'Figma for AI agents' — an intuitive drag-and-drop canvas where developers connect LLMs, tools, APIs, and logic blocks into complex agentic workflows.
You'll own the Sim visual canvas — the real-time, drag-and-drop workflow editor at the heart of the product.
Foundational impact. You're not joining a team — you're building one. Every decision you make shapes the product and the company.
Real users, real scale. 70,000+ developers use Sim today. Your work ships fast and matters immediately.
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