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Inworld AI Logo Inworld AI · IT - Software Development

Staff / Principal Research Scientist

United Kingdom 140000.00 - 200000.00 GBP / Year · Job Posted March 25, 2026
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Job Description

Inworld is a product-oriented research lab of top AI researchers and engineers, developing best-in-class realtime multimodal models and the only realtime orchestration platform optimized for thousands of queries per second. We hand you unclear problems and expect you to make them clear. We value researchers who say "I don't know yet" — and then design the experiment that finds out. We treat evaluation as a first-class research product, not a box to check before launch. Impact comes before publications though we support sharing work that moves the field forward. Your work should be visible. Flat structure, fast iterations, minimal process theater.

Requirements

  • Foundation models: training, new architectures, RL, reward modeling, scaling
  • Evaluation: benchmarks, eval loops, quality measurement, LLM-as-judge, failure analysis
  • Frontier topics: multimodal models, agents, tool use, test-time compute, world models
  • Published research at ICML, ICLR, NeurIPS, EMNLP, ACL, or AAAI
  • PhD in ML/NLP — or equivalent practical experience you can point to
  • Public work: non-trivial AI side projects, interdisciplinary experiments, open-source contributions
  • Full-stack research ownership: you frame the question, run the experiments, write the paper, ship the result

What we offer

equity and benefits

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