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Founding Full-Stack Engineer

Sylvan Labs · San Francisco, CA, United States

Posted 13 days ago

CompetitiveFull timeOnsite

About Sylvan Labs

About the role

The Role

As a Founding Engineer, you’ll work directly with the founders to architect, build, and scale the platform from 0 to 1. You’ll take full ownership of core features, shape the product roadmap, and drive technical execution in an environment that values speed, iteration, and excellence.

  • Own and ship features end-to-end, from architecture to deployment.
  • Build robust integrations + data ontology mapping tooling to streamline ingest and normalization of 3rd-party data, delivering enterprise-grade durability, scalability, and rapid customer deployments.
  • Develop and maintain intuitive, functional UIs — pushing the envelope on AI product patterns and moving beyond simple chatbots to create more immersive, assistive experiences.
  • Architect & build agentic solutions that automate complex workflows while advancing applied AI — from long-term agent memory to enhancing LLMs with reinforcement learning.
  • Work closely with customers, iterating rapidly to refine and improve the product.

Who You Are

  • Been the top code contributor on your prior teams, not phased by the prospect of long hours when needed to ship and scale.
  • A world-class software engineer who thrives in a fast-paced, high-ownership environment.
  • Passionate about building high-quality products with speed and precision.
  • Strong customer empathy — you understand user needs and build with them in mind.
  • Proven track record building real-world ML/AI products with solid grasp of AI/ML fundamentals.

Responsibilities

    Requirements

    • Been the top code contributor on your prior teams , not phased by the prospect of long hours when needed to ship and scale.
    • A world-class software engineer who thrives in a fast-paced, high-ownership environment.
    • Passionate about building high-quality products with speed and precision .
    • Strong customer empathy — you understand user needs and build with them in mind.
    • Proven track record building real-world ML/AI products with solid grasp of AI/ML fundamentals .

    Technology stack

    TypeScriptReactPython

    What we offer

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