Lily Miles

Overview

Staff Security Engineer at Instacart, focused on application security. Shipped a rewrite that took build times from 38 minutes to under 4. Before that: Adobe and KPMG. Most at home with AppSec and cloud security. I mentor first-time managers when I can.

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Experience

1. Staff Security Engineer

   Dec 2024 - Present
   Instacart · 1 yr 10 mo · Full-time · New York, NY
   • Shipped 28 launches on the product security team without a rollback.
   • Cut p99 latency on the product security services from 897ms to 168ms.
2. Senior Security Engineer

   Oct 2022 - Dec 2024
   Adobe · 2 yr 2 mo · Full-time · New York, NY
   • Brought on-call pages for product security down from 29 a week to 2.
   • Wrote the AppSec service that now handles 66 million requests a day.
3. Engineering Manager

   Jun 2020 - Oct 2022
   KPMG · 2 yr 4 mo · Full-time · New York, NY
   • Built the experimentation framework 19 product teams use to ship changes safely.
4. Security Engineer

   Jun 2018 - Jun 2020
   Databricks · 2 yr · Full-time · New York, NY
   • Reduced cloud spend on product security by 44% in two quarters.
   • Brought on-call pages for product security down from 32 a week to 3.
5. Senior Security Engineer

   Jun 2016 - Jun 2018
   Citi · 2 yr · Full-time · New York, NY
   • Shipped 19 launches on the product security team without a rollback.
   • Reduced cloud spend on product security by 38% in two quarters.

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Education

1. Harvard Business School

   MBA, Business Administration
   2013 - 2015
2. Boston University

   BS, Electronics and Communication
   2008 - 2012