hcompany
hcompany5mo ago
New

Research Engineer / Scientist, Post-training - Paris

Paris, Londonfull-timemid
OtherResearch Engineer
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Quick Summary

Overview

About H:H exists to push the boundaries of superintelligence with agentic AI. By automating complex, multi-step tasks typically performed by humans, AI agents will help unlock full human potential.

Key Responsibilities

Develop and train advanced LLMs and VLMs, including multimodal architectures Research and implement training methods for enhanced capabilities like instruction following and tool use Design and optimize data pipelines and training systems for…

Requirements Summary

Technical skills: 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…

Technical Tools
pythonpytorchtensorflowdeep-learningetl

Responsibilities

~1 min read
  • Develop and train advanced LLMs and VLMs, including multimodal architectures

  • Research and implement training methods for enhanced capabilities like instruction following and tool use

  • Design and optimize data pipelines and training systems for large-scale distributed training

  • Collaborate with cross-functional teams to integrate models into agentic AI systems

  • Evaluate model performance and communicate findings to stakeholders

  • Stay current with advancements in LLMs, VLMs, and related fields

Requirements

~1 min read
  • Technical skills:

    • 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

  • Research skills:

    • Publications in top-tier AI conferences (e.g., NeurIPS, ICML, CVPR, ACL, ICCV)

    • Advanced degree (PhD or MSc) in a relevant field (e.g., ML, DL, NLP, CV)

  • Soft skills:

    • Excellent communication and presentation skills

    • Strong collaboration and teamwork skills

    • Passion for AI and problem-solving

  • Bonuses:

    • Industry experience

    • Experience in LLM training with RL

    • Experience with data processing techniques

  • Paris or London.

  • This role is hybrid, and you are expected to be in the office 3 days a week on average.

  • Please expect some travel between offices on a reasonable cadence (e.g., every 4-6 weeks).

What We Offer

~1 min read
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
Enjoy a competitive salary
Unlock opportunities for professional growth, continuous learning, and career development

Location & Eligibility

Where is the job
Location terms not specified
Who can apply
Same as job location

Listing Details

Posted
November 12, 2025
First seen
May 6, 2026
Last seen
May 8, 2026

Posting Health

Days active
0
Repost count
0
Trust Level
15%
Scored at
May 6, 2026

Signal breakdown

freshnesssource trustcontent trustemployer trust
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hcompanyResearch Engineer / Scientist, Post-training - Paris