https://www.ycombinator.com/companies/cua/jobs/dIskIB1-founding-engineer-cua-yc-x25 Y Combinator About What Happens at YC?ApplyYC Interview GuideFAQPeopleYC Blog Companies Startup DirectoryFounder DirectoryLaunch YC Startup Jobs All Jobs* Engineering* Operations* Marketing* SalesStartup Job Guide YC Startup Jobs Blog Find a Co-Founder Library SAFE Resources Startup SchoolNewsletterRequests for StartupsFor InvestorsHacker News Bookface Open main menu Apply for F2025 batch.Apply [482d9c63c1] Cua Docker for Computer-use Agents Founding Engineer @ Cua (YC X25) $100K - $150K / 0.50% - 0.75% Location San Francisco, CA, US Job Type Full-time Experience 1+ years Visa US citizen/visa only Connect directly with founders of the best YC-funded startups. Apply to role > Alessandro Puppo Alessandro Puppo Co-Founder About the role Cua is building the infrastructure that lets general AI agents safely and scalably use Computers and Apps like humans do. With 8.9k+ GitHub stars in just 4 months and backing from Y Combinator, we're providing: * An open-source framework for building and evaluating general-purpose AI agents * A cloud container platform for sandboxed, scalable agent execution environments * A blueprint for what production-grade general agent systems should look like - backed by research We're looking for our first Founding Engineer to help us push this vision forward - turning cutting-edge research prototypes into real, deployable systems. If you're obsessed with developer tools, infrastructure, and making AI agents go from toy demos to robust, real-world tools - we want to talk. --------------------------------------------------------------------- [?] What You'll Work On * Day 1 Impact - Ship infrastructure powering real agent workloads used by early customers and open-source users. * Agent Infra Core + OS-level sandboxing and container orchestration across cloud providers + Scalable infrastructure for deploying isolated Linux/macOS environments for agents + Tools that make agent deployment as simple as an API call * Beyond Engineering + Open Source Leadership - Shape our growing GitHub community and help define the standard for AI agent systems + Product Strategy - Work directly with the founders on roadmap and direction + Dev Advocacy - Help grow the ecosystem with blog posts, community engagement, and in-person events in SF --------------------------------------------------------------------- You're a Fit If You... * Live and breathe systems - You know how to scale infra, secure containers, and debug hairy cloud issues. * Build for abstraction - You're excited about designing simple APIs over complex infrastructure. * Care about quality - You understand why reproducibility, isolation, and reliability are core to agent workloads. * Think long-term - You're not here to build another wrapper - you're here to define a category. --------------------------------------------------------------------- What You Bring * BS in CS (or equivalent experience) + 2+ years shipping real systems in Python, Go, TypeScript, or Rust * Infra experience: building secure, scalable, performant backend systems * Familiarity with LLM-generated code and tools (e.g. Copilot, Cursor) - and how to work with or around them * Ability to navigate ambiguity and move fast without breaking the wrong things Bonus points for: * Deep experience with Docker, KVM, or OS virtualization * Multi-cloud experience (GCP, AWS, Azure) * PostgreSQL optimization war stories * Meaningful open-source contributions --------------------------------------------------------------------- What We Offer * Stage - Backed by YC and top investors, building the founding team * Location - SF-based, hybrid preferred, remote-friendly * Comp - $100K-$150K base + 0.5% equity * Timing - Join early enough to shape product, culture, and architecture from the ground up * Impact - Thousands of developers already use Cua; you'll help define how agents run in production --------------------------------------------------------------------- How to Apply * Your GitHub (required) * A short note about the hardest infra problem you've solved * Bonus: Fix an issue or build something with Cua - our open-source project is active and ready Learn more: trycua.com Interested persons may send their application with authorization in accordance with legislative decree 196/2003. The search respects legislative decree 198/2006 and is open to candidates of any orientation or expression of gender, sexual orientation, age, ethnicity, and religious belief. This advertisement is designed with diversity and inclusiveness in mind. About Cua Cua is building the infrastructure that lets general AI agents safely and scalably use Computers and Apps like humans do. With 8.9k+ GitHub stars in just 4 months and a seed round closed, we're providing: * An open-source framework for building and evaluating general-purpose AI agents. * A cloud container platform for sandboxed, scalable agent execution environments. * A blueprint for what production-grade general agent systems should look like - backed by research. Cua Cua Founded:2025 Batch:X25 Team Size:2 Status: Active X (Twitter) logo Founders Francesco Bonacci Francesco Bonacci Founder Twitter account Alessandro Puppo Alessandro Puppo Co-Founder Twitter account Footer Y CombinatorY Combinator Programs * YC Program * Startup School * Work at a Startup * Co-Founder Matching Company * YC Blog * Contact * Press * People * Careers * Privacy Policy * Notice at Collection * Security * Terms of Use Resources * Startup Directory * Startup Library * Investors * SAFE * Hacker News * Launch YC * YC Deals Make something people want. Apply TwitterFacebookInstagramLinkedInYoutube (c) 2025 Y Combinator