Research Engineer: Agentic AI & LLM Systems (Paris Onsite)

European Tech Recruit; Paris; On-site; EUR 90,000 - 130,000; Full time

Job summary

European Tech Recruit in Paris is looking for a Research Engineer to design, build, and evaluate advanced AI agent systems powered by large language models, working at the cutting edge of agentic AI research and engineering.

This is a permanent onsite role based in Paris, France, offering collaboration with a leading research centre and opportunities to push the boundaries of AI systems. Strong PhD and PyTorch experience are required.

Qualifications

• PhD required in CS/AI/ML or closely related field.
• Strong Python and software engineering skills.
• Hands-on experience with large language models and modern generative AI systems.
• Experience with PyTorch or equivalent DL framework.

Responsibilities

• Design and implement AI agents based on large language models and multimodal foundation models.
• Build systems involving tool use, planning, memory, retrieval, code execution and multi-step workflows.
• Develop evaluation environments, benchmarks, and failure-analysis tools for agent capabilities.
• Rapidly prototype new research ideas and turn promising approaches into robust, reusable implementations.
• Run controlled experiments and make evidence-based technical decisions to improve agent reliability, efficiency, and latency.
• Build clean research infrastructure, APIs, and internal demonstrations.

Skills

Python

Software engineering

LLMs

PyTorch

Experiment design

Agent workflows

Education

PhD in Computer Science / AI / ML

Tools

Transformers

Job description

European Tech Recruit in Paris is looking for a Research Engineer to design, build, and evaluate advanced AI agent systems powered by large language models, working at the cutting edge of agentic AI research and engineering.

This is a permanent onsite role based in Paris, France, offering collaboration with a leading research centre and opportunities to push the boundaries of AI systems. Strong PhD and PyTorch experience are required.