Founding Fullstack Engineer

3 days ago


San Francisco, CA, United States Amadeus Search Full time
Role: Founding Fullstack Engineer
Location: New York or San Francisco (hybrid, 3-4 days in office + 1 weekend day remote)
Compensation: $150k - $220k + 1%-1.5% equity
Stage: Early-stage, high-growth startup
Industry: AI + LegalTech
Founded: 2021About the Company

An early-stage AI company is building a contract review agent that makes legal work 10x faster and cheaper. Already partnered with leading law firms and scaling rapidly, the company is on a strong growth trajectory.

The founding team is deeply technical (10+ years each in AI research, academia, and enterprise AI), with prior experience at major tech companies and institutions. They've also brought on senior commercial/legal leadership to accelerate customer adoption.
About the Role

As a Founding Fullstack Engineer, you'll be among the first engineering hires with the opportunity to shape the infrastructure, product, and culture. This is a high-ownership role where you'll collaborate directly with the founding team to architect and scale customer-facing applications.
Responsibilities
  • Build and own core user-facing applications (front-end + back-end)
  • Collaborate with engineering, product, and design to define technical direction
  • Drive technical projects from strategy to implementation
  • Promote best engineering practices, CI/CD pipelines, and quality standards
  • Contribute to product roadmaps and business growth initiatives
Candidate Profile
  • 4+ years in full-stack development (frontend + backend)
  • Skilled in JavaScript/TypeScript, React, Python, SQL, CI/CD, Git
  • Startup experience strongly preferred
  • Comfortable in fast-paced, ambiguous environments
  • Interested in large impact and ownership as an early team member
Tech Stack

JavaScript/TypeScript, React, Python, SQL, CI/CD, Git, AI-assisted tools (Cursor, Lovable, etc.)
Work Environment
  • Hybrid: 3-4 days/week in-office (NYC or SF) + 1 weekend day remote
  • Small, high-agency team with significant influence over product direction
  • Benefits: comprehensive healthcare, unlimited PTO

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