Research Scientist Intern (PhD) - Model Team - London

H Company·London·United Kingdom·Research / Applied Science

H Company is hiring a Research Scientist Intern (PhD) - Model Team - London in London. Posted 2026-02-03; applications close 2026-08-20 (in 29 days).

Role details

Overview

PhD - Graduation/Final year Internships available in our Research lab.

What we're looking for

  • PhD (completed or near completion) in Computer Science, Machine Learning, Mathematics, or a related field.
  • Published in top-tier conferences (NeurIPS, ICML, ICLR, CVPR, ACL, EMNLP, ICCV, CoRL).
  • Strong research and/or research engineering experience at leading ML research labs.

About H

H Company is a next-generation AI research and product company pioneering the future of autonomous, agentic AI. Founded to build intelligence that acts, H Company is creating the foundational infrastructure for autonomous AI systems that drive real-world outcomes across industries.

About our Team

Our Models team builds the foundational models that power our cutting-edge agentic technology. We focus on training techniques to optimize model capabilities specifically for agent applications. This allows us to achieve the best performance at a given inference cost. Our work spans the development of Large Language Models (LLMs) and Vision-Language Models (VLMs), enabling agents to perceive, understand, and act within complex environments. We are deeply involved in enhancing these models through training methods with a focus on improved instruction following, tool use, and interaction with dynamic environments via large-scale reinforcement learning and reward modeling. We operate at the intersection of research and product, translating cutting-edge research into practical solutions that drive the next generation of AI. We are looking for bright, motivated individuals to join our ranks and shape the future of superintelligent AI.

Research areas include

  • Post-training & reinforcement learning, off-policy robustness
  • Self-verification and learning from feedback
  • Synthetic data generation at scale
  • Efficient reasoning
  • World modelling & Env generation

Alongside interesting research, you’ll enjoy a very high GPU-to-researcher ratio.

We are excited to tell you more!

Location

  • London

What We Offer

  • Join the exciting journey of shaping the future of AI, and be part of the early days of one of the hottest AI startups.
  • Collaborate with a fun, dynamic, and multicultural team, working alongside world-class AI talent in a highly collaborative environment.
  • Unlock opportunities for professional growth, continuous learning, and career development.

If you want to change the status quo in AI, join us.

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Applying to this role

This Research Scientist Intern (PhD) - Model Team - London role at H Company runs through the firm's own careers portal and expects a CV and cover letter written specifically for the posting, not a portable submission carried across firms. Jorb AI's application agent tailors a CV and cover letter from your background to this posting and tracks the role alongside the rest of your applications.

Jorb AI tracks details for Research Scientist Intern (PhD) - Model Team - London at H Company. Postings refresh hourly from primary careers pages. Job details mirror the firm's posting; the apply link goes directly to the source. Last refreshed 2026-07-21.

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