Founding Product Engineer

www.ycombinator.com · 2026-09-30 · by Long Nguyen ·generic
We founded Bild AI to tackle the mess that is blueprint reading, cost estimation, and permit applications in construction. It's a tough technical problem that requires the newest CV and AI approaches, and we’re impact-driven to make it more efficient to build more houses, hospitals, and schools. Featured on Business Insider. You’ll - Own features end-to-end — interview customers every week and watch them use the product, and ship the feature they need by the next week - Build UIs that make complex blueprint and hardware data feel simple for people who've been doing this on paper for 20 years - Work across the stack: React frontend, Python backend + infra - Shape what we build next, not just how we build it We want - Great product taste — you care about how things look, feel, and work for the user - 0-to-1 architect and builder who can work across the entire stack - Comfort talking to customers directly and translating messy domain knowledge into clean product decisions - Growth mindset, slope > y-intercept - Communicate with empathy and honesty. Tell us what makes you happy/unhappy - Don’t mind schlep. We are regularly knee-deep in schlep Bonus points (if any) - Have built something people used/paid for (founder/startup) - Have a construction background - Are impact-driven Message with - Why we’re a fit - Your favorite fruit (mine is Sitaphal) - (Please keep it short) Interview Process 1. 15 min intro 2. 1 hour whiteboard technical 3. 1 hour coding technical 4. 3-5 day paid work trial Logistics - SF-based or willing to relocate, fulltime in-office

Founding Product Engineer

Bild AI

AI estimating & detailing for Division 8 doors, frames & hardware

Founding Product Engineer

$120K - $180K•0.10% - 0.40%•San Francisco

Job type

Full-time

Role

Engineering, Full stack

Experience

Any (new grads ok)

Visa

US citizen/visa only

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Roop Pal

Roop Pal

Founder

Roop Pal

Roop Pal

Founder

About the role

We founded Bild AI to tackle the mess that is blueprint reading, cost estimation, and permit applications in construction. It's a tough technical problem that requires the newest CV and AI approaches, and we’re impact-driven to make it more efficient to build more houses, hospitals, and schools. Featured on Business Insider.

You’ll

  • Own features end-to-end — interview customers every week and watch them use the product, and ship the feature they need by the next week
  • Build UIs that make complex blueprint and hardware data feel simple for people who've been doing this on paper for 20 years
  • Work across the stack: React frontend, Python backend + infra
  • Shape what we build next, not just how we build it
  • We want

  • Great product taste — you care about how things look, feel, and work for the user
  • 0-to-1 architect and builder who can work across the entire stack
  • Comfort talking to customers directly and translating messy domain knowledge into clean product decisions
  • Growth mindset, slope > y-intercept
  • Communicate with empathy and honesty. Tell us what makes you happy/unhappy
  • Don’t mind schlep. We are regularly knee-deep in schlep
  • Bonus points (if any)

  • Have built something people used/paid for (founder/startup)
  • Have a construction background
  • Are impact-driven
  • Message with

  • Why we’re a fit
  • Your favorite fruit (mine is Sitaphal)
  • (Please keep it short)
  • Interview Process

    1. 15 min intro 2. 1 hour whiteboard technical 3. 1 hour coding technical 4. 3-5 day paid work trial

    Logistics

  • SF-based or willing to relocate, fulltime in-office

About Bild AI

Bild AI is an early-stage startup with a ton of really difficult technical challenges to solve. We're building blueprint understanding with a model-garden approach, so there is a lots of ground to break. We raised from the top VCs in the world before demo day and have a customer-obsessed approach to product development.

Bild AI

Bild AI

Founded:2024

Batch:W25

Team Size:9

Status:Active

Location:San Francisco

[](https://www.bild.ai/)

Founders

Roop Pal

Roop Pal

Twitter account

Founder

Roop Pal

Roop Pal

Twitter account

Founder

Puneet Sukhija

Puneet Sukhija

Founder

Puneet Sukhija

Puneet Sukhija

Founder

www.ycombinator.com · 5 images · 49 links

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