Owen Patterson

S

Staff ML Engineer, Copper Finance - feature stores · Python · Ray

Copper Finance
San Francisco, CA · PT (UTC-8)
7+ years experience
Cornell University
English, German
Messaging unavailable

Overview

Staff ML Engineer at Copper Finance, focused on ML infrastructure. Cut p99 latency on the ML platform services from 580ms to 161ms. Brought on-call pages for ML platform down from 31 a week to 3. Before that: Tesla and Spotify. Most at home with Ray and PyTorch.

Good reasons to reach out
  • Questions about recommendation systems
Please don't message about
  • Generic networking requests
  • Crypto token projects
  • Offshore staffing offers
Skills
Rayfeature storesPyTorchPython

Experience

  1. Staff ML Engineer
    Jun 2024 - Present
    Copper Finance · 2 yr 4 mo · Full-time · San Francisco, CA
    • Moved the homepage from rules to a learned ranker.
    • Shipped a ranking change that increased conversion 2.8%.
  2. ML Engineer
    Jun 2021 - Jun 2024
    Tesla · 3 yr · Full-time · San Francisco, CA
    • Shipped a ranking change that increased conversion 5.8%.
  3. ML Engineer
    Oct 2019 - Jun 2021
    Spotify · 1 yr 8 mo · Full-time · San Francisco, CA
    • Wrote the metric definitions the leadership team reviews every week.

Projects

Open-source Ray toolkit
2025

A small library for recommendation systems that 400 developers star on GitHub.

References

No references yet.

Education

  1. Cornell University
    BS, Mathematics
    2015 - 2019

Details

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