Founding Engineer, AI and Geometry / CAD

ABOUT THE ROLE Join an early-stage AI and construction technology team building a new BIM authoring tool designed for AI agents. You will help shape its geometry and data foundations, with the opportunity to take on broader technical leadership as the team grows. WHAT YOU'LL DO - Build the geometry and data core of a new BIM authoring tool. - Develop AI agents that can plan and edit real building models. - Create generative design capabilities that account for building codes and client constraints. WHAT WE'RE LOOKING FOR - Experience shipping commercial production software; one to two years may be suitable with a strong history of building independent projects. - Hands-on experience with 3D geometry or CAD, such as geometry kernels, B-rep, meshes, CAD APIs, IFC, or Revit. - Daily engineering experience with LLMs and AI agents, along with the ability to work across the stack and learn unfamiliar areas quickly. - Startup or founder experience, and fluency in English. - Experience leading engineers or making architecture decisions is valuable. - AEC or BIM experience, including IFC, Revit API, or Rhino/Grasshopper, is valuable, as is experience with Python, PyTorch, TypeScript, three.js, or generative and multimodal models for 3D or visual data. COMPENSATION & BENEFITS - Stock options are offered. - Visa sponsorship is not available. Candidates must be authorized to work in the EU, UK, or Switzerland without sponsorship. LOCATION Remote within Europe, including the UK and Switzerland. The primary location is Karlsruhe, Baden-Württemberg, Germany. Candidates should be based in Europe or willing to relocate there.