Emily Cindy Lam

S

Engineering Manager at Fidelity Investments | ex-DoorDash

Fidelity Investments
Los Angeles, CA · PT (UTC-8)
8+ years experience
Johns Hopkins University
English
Messaging unavailable

Overview

I've spent 8 years on ML infrastructure - first at PepsiCo, now at Fidelity Investments. Brought on-call pages for ML platform down from 27 a week to 2. Before that: DoorDash and PepsiCo. Travel slowly, usually by train.

Good reasons to reach out
  • Thoughtful intros to people in my field
Please don't message about
  • Generic networking requests
  • Recruiters for roles outside my stack

Replies between meetings, usually same day

Skills
PostgreSQLmodel servingfeature storesPythonPyTorchKubeflow

Experience

  1. Engineering Manager
    Jul 2025 - Present
    Fidelity Investments · 1 yr 3 mo · Full-time · Los Angeles, CA
    • Cut p99 latency on the ML platform services from 325ms to 113ms.
    • Shipped 9 launches on the ML platform team without a rollback.
  2. ML Engineer
    Jul 2021 - Mar 2025
    DoorDash · 3 yr 8 mo · Full-time · Los Angeles, CA
    • Shipped a ranking change that increased conversion 4.9%.
  3. ML Engineer
    Oct 2018 - Jul 2021
    PepsiCo · 2 yr 9 mo · Full-time · Los Angeles, CA
    • Wrote the metric definitions the leadership team reviews every week.
    • Shipped a ranking change that increased conversion 8.3%.

Projects

Open-source Python toolkit
2026

A small library for ML infrastructure that 229 developers star on GitHub.

ML infrastructure benchmark
2022

Reproducible benchmarks comparing Python and Kubeflow on real workloads.

References

No references yet.

Education

  1. Johns Hopkins University
    MS, Electrical Engineering
    2020 - 2022
  2. University of Florida
    BS, Electrical Engineering
    2014 - 2018

Details

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