Clera

Founding Engineer, AI and Geometry / CAD

Karlsruhe
Level
Mid
Work type
On-site · Karlsruhe
Visa
Not offered

Not stated in the posting: salary.

Open. First seen 3 November 2026.

About the role

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.

What this role asks for

Particular to this role

JavaScript · PyTorch · Three.js

Rare in Clera's other 200 open postings.

Standard for software engineering roles

Python

Common in software engineering postings at any company.

Compared with Clera's other open jobs.

The team: Engineering HIRES STEADILY

This role is one of 191 open in Engineering. 125 were posted in the last 30 days and the oldest in March: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

LLM (92 of 191), TypeScript (89 of 191), Python (80 of 191), React (78 of 191), Machine Learning (49 of 191), PostgreSQL (40 of 191), Supabase (36 of 191)

OTHER ROLES ON THIS TEAM

From the team and dates on Clera's own job board.

Posting history

Reposted once since 26 October 2026: a posting for this role in Karlsruhe was taken down and the role was posted again.

  • 3 November 2026 – open (this posting)
  • 26 October 2026 – closed 2 November 2026

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