Jacqueline Campbell

S

Engineering Manager, Signal Pay - Python · model serving · Ray

Signal Pay
Seattle, WA · PT (UTC-8)
9+ years experience
UCLA
English
Hiring
Messaging unavailable

Overview

Currently at Signal Pay, where I lead ML infrastructure with a team of 27. Brought on-call pages for ML platform down from 16 a week to 3. Led the migration of 67 services to Ray. Before that: AT&T and Atlassian. I volunteer with a food bank on weekends.

Good reasons to reach out
  • Candidates for the role I'm hiring for
  • Second opinions on model serving decisions
Please don't message about
  • Courses and coaching offers
  • Requests to fix your code for free
  • Recruiters for roles outside my stack

Replies on weekends

Skills
model servingPyTorchPythonKubeflowRayCUDAfeature stores
HiringHiring for a role
closes in 3 months

Building out ML platform at Signal Pay: mobile engineers wanted in Seattle

Role
Mobile engineer
Level
Senior
Type
Full-time
Work mode
Hybrid
Compensation
$177k-$228k
Team
ML platform, 6 people
Start
As soon as possible
Must have
Production experience with CUDA Production experience with Ray Good judgment about what not to build
Process
Intro call, technical deep dive, team chat

Comp $207k-$296k. One technical chat and a paid trial day. Message me with one thing you shipped that you're proud of.

Seattle, WA · remote OKcudaraykubeflow
Open

Experience

  1. Engineering Manager
    Aug 2025 - Present
    Signal Pay · 1 yr 2 mo · Full-time · Seattle, WA
    • Built the experimentation framework 12 product teams use to ship changes safely.
    • Wrote the Ray service that now handles 18 million requests a day.
  2. ML Engineer
    Mar 2023 - Apr 2025
    AT&T · 2 yr 1 mo · Full-time · Seattle, WA
    • Moved the homepage from rules to a learned ranker.
    • Wrote the metric definitions the leadership team reviews every week.
  3. ML Engineer
    Oct 2019 - Mar 2023
    Atlassian · 3 yr 5 mo · Full-time · Seattle, WA
    • Wrote the metric definitions the leadership team reviews every week.
    • Replaced 79 hand-built dashboards with one metrics layer people trust.
  4. ML Engineer
    Mar 2018 - Oct 2019
    Kaiser Permanente · 1 yr 7 mo · Full-time · Seattle, WA
    • Moved the homepage from rules to a learned ranker.

References

No references yet.

Education

  1. UCLA
    BS, Computer Engineering
    2012 - 2016

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