Résumé

Skylar Hoffman

Staff Machine Learning Engineer

San Francisco, CA skylar.j.hoffman@gmail.com github.com/sky121 linkedin.com/in/skylarjh

Education

Experience

  1. Staff Machine Learning Engineer

    Acquired by ServiceNow, 2025.

    • Led the development and scaling of enterprise search across millions of enterprise resources, deployed in 200+ customer environments.
    • Architected and productionized multilayered ranking pipelines; advanced ranking models improved NDCG by nearly 30%.
    • Integrated fine-tuned LLMs into production search and agentic workflows — query understanding, retrieval quality, summarization, and task completion.
    • Contributed to the rollout of enterprise agentic AI capabilities automating employee support, contributing to millions in net ARR.
    • Built evaluation and experimentation frameworks, improving Cohen’s Kappa by roughly 50% for automated LLM data labeling; mentored engineers and contributed technical direction across search relevance, retrieval systems, and LLM integration.
  2. Software Engineer

    Developed highly requested features for MATLAB application components used by a large global customer base; collaborated across product areas on interface functionality.

Research

Skills

Languages
Python Golang C/C++ SQL
ML & Retrieval
Deep Learning LLMs Transformers RAG Semantic Search Ranking Systems Recommendation Systems NLP Information Retrieval Search Relevance Agentic AI
Systems
Elasticsearch Distributed Systems

Selected Projects

2018–2021

Interests

Novels volleyball watercolor snowboarding strategy games

Links