Staff / Principal Research Scientist, Models - UK

The role

This person will conduct full-stack research including framing questions, running experiments, writing papers, and shipping results. The work focuses on foundation models, evaluation, and frontier topics like multimodal models and agents.

What you will do

• Frame the question
• Run the experiments
• Write the paper
• Ship the result

Required qualifications

• PhD in ML/NLP or equivalent practical experience
• Legal right to work in the United Kingdom

Nice to have

• 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
• Public work: non-trivial AI side projects, interdisciplinary experiments, open-source contributions

Benefits

• Equity
• Benefits

Before you apply

• Candidates must already have the legal right to work in the United Kingdom
• Visa sponsorship is not available for this role

About the company

Inworld is a research lab and inference provider focused on realtime AI for consumer-facing applications. They build first-party speech models, serve LLMs, and run inference for high-volume, realtime workloads.