Founding Engineer

About the roleMost job posts are designed to collect as many applications as possible.This is not one of them.At Simplify, we work directly with startup founders to help them hire for high-priority roles.We're partnering with the team at Absurd (YC F25) to hire founding engineers.About the companyCompany: Absurd (YC F25)One-liner: Building an agent lab for creative production using frontier modelsStage: YC F25, <10 employees, HQ in SF.Absurd is building an agent lab for creative video production. They've worked with companies like Kalshi, Whop, Brex, and Replit to produce high-quality video ads at low-cost.Today, high-end ads can cost $50K+ and require full creative teams. Absurd is building the system to make this fast, scalable, and repeatable.What you'll work onDesign and build LLM agent systems with tool-calling and orchestrationDevelop Python-based backend systems for AI workflowsOptimize model quality, latency, cost, and reliabilityBuild internal tooling for debugging and improving agent performanceShip full-stack features supporting collaborative creative toolsWork directly with founders and clients to deliver production systemsOwn problems end-to-end in a fast-moving startup environmentWhat they're looking forMust-haveStrong Python skillsExperience working with LLMs and modern AI toolsExceptional problem-solving abilityHigh agency and ownershipNice to haveFull-stack experienceExperience with LangChain, LangGraph, Claude SDK, or similarExperience with media pipelines or creative toolingStartup experienceWhy joinWork directly with the founders from day oneShape the engineering culture and early teamBuild systems that generate real production video contentHigh ownership and fast iteration cyclesOpportunity to work at the intersection of AI, video, and product