Job Details

AI / Machine Learning Engineer – Agentic AI & LLM Systems

  2025-11-28     Experis     San Francisco,CA  
Description:

AI / Machine Learning Engineer – Agentic AI & LLM Systems

We're partnered with a pioneering AI organisation pushing the boundaries of Agentic AI — building systems where LLMs reason, act, and collaborate autonomously to drive real-world outcomes.

Designing the frameworks, tools, and data loops that allow intelligent agents to think, plan, and improve themselves — transforming raw model power into adaptive, high-performing AI systems.

What You'll Do:

  • Build Agentic Systems – Develop and optimise LLM-based agents that can reason, plan, and execute multi-step tasks autonomously.
  • Enhance LLM Reasoning – Apply reinforcement learning, tool use, and reflection techniques to strengthen decision‑making and contextual understanding.
  • Design Scalable Frameworks – Create data pipelines, annotation tools, and evaluation flywheels that accelerate model iteration and feedback loops.
  • Collaborate with Research Teams – Translate experimental findings into production‑grade systems that extend the autonomy and reliability of agents.
  • Run Experiments End‑to‑End – Own your compute environment (e.g. Jupyter, Colab, Databricks) and iterate on large‑scale LLM training and evaluation.

What You'll Bring:

  • 4+ years' experience in Machine Learning or AI, with exposure to LLM agent systems, tool‑use frameworks, or generative AI.
  • Advanced proficiency in Python and ML frameworks such as PyTorch or TensorFlow.
  • Hands‑on experience developing or fine‑tuning LLaMA, GPT, or similar foundation models.
  • Understanding of agentic architectures, chain‑of‑thought reasoning, and memory/reflection mechanisms.
  • Proven ability to debug, optimise, and scale ML experiments and compute pipelines.
  • MSc or PhD in AI, Computer Science, or related field.

Please apply for immediate consideration.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Information Technology

Industries

Software Development

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