Demo

LLM Engineer (Remote)

Lion Group
San Marino, CA Remote Full Time
POSTED ON 8/19/2025 CLOSED ON 9/3/2025

What are the responsibilities and job description for the LLM Engineer (Remote) position at Lion Group?

Lion Group is a diversified holding company with ventures across professional services, finance, and marketing.

Within Lion Group, Ceed operates as our global headhunting firm dedicated exclusively to AI and emerging technology talent. Ceed partners with leading companies across SaaS, fintech, e-commerce, creative tech, and enterprise to recruit world-class AI professionals — from LLM Engineers and AI Architects to Automation Specialists and Product Leaders.

By joining Lion Group’s network through Ceed, you’ll gain access to cutting-edge AI opportunities with some of the most innovative companies worldwide, supported by a team that values speed, precision, and quality in recruitment.

The Role

You Will Be Responsible For

  • Fine-tuning and optimizing LLMs (GPT, LLaMA, Mistral, etc.)
  • Building retrieval-augmented generation (RAG) pipelines with vector databases (Pinecone, Weaviate, FAISS, Milvus)
  • Designing scalable APIs for LLM inference
  • Experimenting with prompt engineering and RLHF
  • Collaborating with product and engineering teams to integrate LLMs into real-world applications

Ideal Profile

  • Degree in Computer Science, AI/ML, or related field
  • 3 years of experience with ML/NLP and transformer models
  • Skilled in Python, TensorFlow/PyTorch
  • Hands-on experience with vector databases and retrieval systems
  • Familiarity with LangChain or LlamaIndex (a plus)
  • Strong analytical and problem-solving skills

What's on Offer?

  • Opportunity to work on state-of-the-art LLM projects
  • Collaborative remote-first environment
  • Work on advanced large language model projects for global companies
  • Opportunity to collaborate with leading innovators in SaaS, fintech, and creative tech
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