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Founding Engineer at high-growth AI automation startup

Jack and Jill AI

Founding Engineer

High-growth AI automation startup

As a Founding Engineer, you will build the core infrastructure for an AI-native platform that transforms legacy websites into programmable APIs. You will develop sophisticated browser-based agents, secure authentication systems, and scalable execution environments. This role is pivotal in shaping the technical architecture and product direction of an early-stage startup tackling complex enterprise integration challenges.

San Francisco, USA

Why This Role Is Remarkable
  • Join a founding team at a well-funded startup backed by top-tier VCs in the heart of San Francisco.
  • Directly influence the technical roadmap of an AI-native builder that is redefining how enterprise workflows are automated.
  • Work in a high-intensity, collaborative hybrid environment focused on shipping production-grade AI infrastructure at scale.
What You Will Do
  • Design and implement AI agents capable of navigating complex, multi-step web workflows and dynamic forms.
  • Build robust, isolated browser infrastructure to ensure reliable and secure execution of automated playbooks.
  • Develop developer-facing SDKs and APIs that allow customers to integrate legacy systems into modern applications seamlessly.
The Ideal Candidate
  • Strong proficiency in TypeScript and Node.js with experience building complex, scalable web applications.
  • Deep understanding of browser automation, DOM manipulation, and modern AI/LLM integration patterns.
  • Proven track record as an early engineer or founder who thrives in fast-paced, ambiguous startup environments.
Vacancy posted 2 days ago
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