Josh Weimer

Applied AI @ Anthropic

San Francisco, California, United States

About

Experience

  • Member of Technical Staff at Anthropic
    Apr 2026 - Present · 3 mos

    Applied AI

  • Lead Forward Deployed Engineer at Patronus AI
    2025 - 2026 · 1 yr

    Building RL environments for the top frontier labs

  • Polydelta (Full-time · 2 yrs 1 mo)
    • Lead Forward Deployed Engineer
      2024 - 2025 · 1 yr

      FDE #1 @ Polydelta. Built the FDE function. Led discovery, prototyping, and engineering of production AI deployments for federal agencies.

    • Forward Deployed Engineer
      2023 - 2024 · 1 yr

  • Data Analyst at MathCo
    2022 - 2023 · 1 yr

  • Research Assistant at UC San Diego
    2021 - 2022 · 1 yr

    For Dr. Gareth Nellis and Dr. Michael Joseph, UCSD Political Science