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About this role
About Us
Isidor is building the foundation of reliable AI. We believe that the next leap in AI depends as much on understanding and measuring model behavior as it does on model size. To make AI trustworthy, we need systems that verify outputs, benchmark performance, and automate evaluation across billions of examples.
Isidor was founded by engineers and researchers who care deeply about precision, transparency, and scientific rigor. We are a small, fast-moving team working directly with frontier AI labs and enterprise to make evaluation as measurable and reproducible as training itself.
Founded in September 2025, Isidor raised an oversubscribed $3.6m pre-seed from leading funds including Gradient Ventures, futurepresent and Seedcamp, along with angels from Google DeepMind, Perplexity, Motive, Episode 1, and more.
Overview
Don't see a specific role that matches your background? We're always looking for exceptional individuals.
Tell us what you've built and what you'd like to build for us below.
Benefits
- Relocation package (to London)
- Housing bonus (if within 3 miles of the office)
- Very competitive salary + equity
Please reach out with any questions to founders@isidor.ai
Company
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