James Liu

CURRENTLY

• 01

  Backend Engineer @

  Carta

  ↗

• 02

  Studying Mathematics and Computer Science @

  Stanford

  ↗

• 03

  Research @

  SAIL

  ↗ working on LM Post-Training

PAST EXPERIENCES

• 01

  Academy of Math and Programming Researcher @

  Jane Street

  ↗

• 02

  Congressional Intern @

  U.S. House of Representatives

  ↗

• 03

  Independent Research with

  Stanford Math Department

  ↗

• 04

  AI Engineer @

  MultiOn - AGI, Inc.

  ↗

PROJECTS

• 01

  Jane Street Electronic Trading Challenge Algorithm

  ↗
  • Python, Amazon EC2
  • 2nd highest PnL - Team "Poliwag"

• 02

  Camel Up

  ↗
  • Python, PyCharm
  • Terminal-based board game with AI agents

• 03

  General User Model (GUM) — Personal Profiling Assistant

  ↗
  • Inspired by Creating General User Models from Computer Use (arXiv:2505.10831)
  • Builds confidence-weighted propositions from multimodal observations to infer preferences and habits

PUBLICATIONS

• REAL

  ↗: Benchmarking Autonomous Agents on Deterministic Simulations of Real Websites