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ML/AI Research Engineer — Agentic AI Lab (Founding Team)

FabrionSan Francisco Bay Area
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Fabrion logo

ML/AI Research Engineer — Agentic AI Lab (Founding Team)

Fabrion

Apply Now

The ML/AI Research Engineer role at Agentic AI Lab involves designing and optimizing AI models for enterprise applications, focusing on agent-native architectures and retrieval-augmented generation. The position is part of a founding team backed by 8VC, aiming to address critical infrastructure challenges in AI. Candidates will engage in full-cycle machine learning tasks, from data curation to deployment, with a strong emphasis on performance evaluation and optimization.

Qualification

  • Deep experience fine-tuning open-source LLMs using HuggingFace Transformers, DeepSpeed, vLLM, FSDP, LoRA/QLoRA
  • Experience building enterprise-grade RAG pipelines integrated with real-time or contextual data
  • Familiar with LangChain, LangGraph, LlamaIndex, and open-source vector DBs
  • Experience grounding models with structured and unstructured data
  • Experience training or customizing agent frameworks with multi-step reasoning and memory

Responsibility

  • Fine-tune and evaluate open-source LLMs for enterprise use cases with structured and unstructured data
  • Build and optimize RAG pipelines using LangChain, LangGraph, LlamaIndex, or Dust
  • Train agent architectures using enterprise task data
  • Develop embedding-based memory and retrieval chains with token-efficient chunking strategies
  • Create reinforcement learning pipelines to optimize agent behaviors
  • Establish scalable evaluation harnesses for LLM and agent performance
  • Contribute to model observability, drift detection, error classification, and alignment
  • Optimize inference latency and GPU resource utilization across cloud and on-prem environments

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