Tangible Materials | AI Engineer | Remote (US/Canada) | Full-time | $140k - $160k USD + equity at seed startup.Tangible Materials helps the construction industry to make better decisions around building materials. This means using less and better materials. We use AI to parse very complex construction documents to estimate quantities, track design decisions and detect over-design. In this role, you'll help build the next version of our core technology by creating an agentic takeoff system. Stack: Ruby, Rails, Typescript, React, Postgres, Redis. https://careers.tangiblematerials.com/jobs/cad58c98-2666-466... No visa sponsorship at this time