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 core architecture and may have the opportunity to grow into a technical leadership role. WHAT YOU'LL DO - Build the geometry and data core of a new BIM authoring tool. - Develop agents that 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 production software, typically one or more years; substantial personal projects can complement shorter professional experience. - Hands-on experience with 3D geometry or CAD, such as geometry kernels, B-rep or mesh modeling, CAD APIs, IFC, or Revit. - Daily practical experience building with LLMs and AI agents. - A generalist mindset, with the ability to work across the stack and become productive in unfamiliar areas. - Startup or founder experience, and an interest in an early-stage environment. - Fluent English; German is not required. - Experience with Python, PyTorch, TypeScript, three.js, AEC or BIM workflows, or generative and multimodal models is useful. COMPENSATION & BENEFITS Equity is offered. Visa sponsorship is not available; candidates must already be authorized to work in the EU, UK, or Switzerland. LOCATION Remote within Europe, including the UK and Switzerland. The primary location is Karlsruhe, Germany.