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Research Engineer / Scientist, Post-training - Paris

H Company · Hybrid Paris · Hybrid London

CHECKED 10H AGO

Frontier labremote
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At a glance

Highlights

  • Build foundational LLMs and VLMs powering cutting-edge agentic technology.
  • Advance instruction following and tool use via large-scale reinforcement learning.
  • Enable agents to perceive, understand, and act within complex environments.

What they offer

  • Early-stage role shaping the future of AI at a high-growth startup
  • Collaborative, dynamic and multicultural team of world-class AI talent
  • Competitive salary
  • Professional growth, continuous learning and career development opportunities

Ideal candidate

Bright, collaborative researcher passionate about agentic AI and safe superintelligence. Motivated to translate frontier research into real products and thrive in an open, learning-driven team.

Requirements

  • Strong programming skills (Python, Git)
  • Expertise in deep learning frameworks (PyTorch, JAX, TensorFlow)
  • Experience with large-scale distributed training of LLMs and VLMs
  • Hands-on experience with LLM training, alignment and reinforcement learning
  • Knowledge of multimodal architectures and applications
  • Publications in top-tier AI conferences (e.g., NeurIPS, ICML, CVPR, ACL, ICCV)
  • Advanced degree (PhD or MSc) in ML, DL, NLP, CV or related field
  • Excellent communication and presentation skills
  • Strong collaboration and teamwork skills
  • Passion for AI and problem-solving
remote policy
Hybrid with 3 days in office per week on average, plus travel every 4-6 weeks

Lab profile

About H Company

Pushing superintelligence boundaries with autonomous agentic AI that automates complex multi-step tasks.

What they build

  • Autonomous agentic AI systems
  • Foundational infrastructure for autonomous AI

Known for

  • Post-training
  • Model inference and serving
  • AI infrastructure
  • Safe and responsible AI development

Key facts

  • Teams in Paris, London, and the US
More about H Company →
Apply on the lab’s site ↗