Job Details

Founding Engineer (Full-Stack)

  2025-11-03     Planbase     San Francisco,CA  
Description:

We're hiring founding engineers to help build the infrastructure behind the next generation of B2B software. This is a high-ownership role: you'll work directly with the founders to shape the product, the company, and the way healthcare and staffing operations are run.

You'll be among the first employees at an early-stage startup, which means challenge, uncertainty, and opportunity. This role isn't for everyone — to be a good fit, you need to be hungry to move build, break and push boundaries.

What you'll do

  • Ship fast, talk to customers, and build at the frontier of AI-native software.
  • Work across the stack — from re‑architecting ML forecasting systems to delivering elegant user-facing features.
  • Build the platform infrastructure that allows AI to generate customer‑specific apps, reports, and workflows.
  • Help define engineering culture and grow the team.

What kind of person we're looking for

  • You must have already graduated or be graduating by December 2025.
  • High‑energy, opinionated, and fun to work with.
  • Strong product taste.
  • You've built real products for real customers, not just internal tools or integrations.
  • You move quickly but maintain a high bar for quality — and expect the same from those around you.
  • You want to help build not just a product, but a company and a category‑defining business.
  • Visa required but open to O‑1 visa sponsorship for exceptional candidates (e.g., top‑20 university, publications, or press). If applicable, please mention how you meet these O‑1 criteria in your application.

Tech stack

  • LLMs: OpenAI, Anthropic
  • ML: LightGBM, Prophet
  • Backend: Python, Postgres
  • Frontend: React, TypeScript
  • Infrastructure: AWS
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