Andrew Loe
Production Engineering Manager at Meta
Seattle, Washington, United States
Summary
👤
SeniorAndrew Loe is a Production Engineering Manager at Meta with 18 years of engineering experience, based in Seattle. He leads teams that keep Ads Manager—the platform enabling millions of advertisers to reach billions—reliable and performant in production. A hands-on leader, he has deep backend and database expertise, demonstrated by low-level contributions to the widely used mysql2 Ruby library where he improved timeout handling, reconnection logic, and thread safety. His background includes building Rails integrations and middleware for Facebook session handling, reflecting strength in both systems and developer-facing tooling. Known for blending pragmatic engineering with careful operational ownership, he focuses on shipping robust, testable changes that scale.
18 years of coding experience
Stackoverflow
1,768reputation
983kreached
5answers
2questions
redis
top-5%
elasticsearch
top-5%
caching
top-1%
memcached
top-1%
Github Skills (25)
ruby-rails10
caching10
web-application10
mysql10
testing10
connect10
rails10
connection-manager10
ruby10
connection-pool10
memcached10
rack10
connection-pooling10
redis9
c119
Programming languages (13)
Github contributions (5)
mmangino/facebooker
Dec 2009 - Jan 2010
The facebooker Rails plugin
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits in 29 days
Contributions summary:Andrew primarily contributed to the `facebooker` Rails plugin, focusing on integrating Facebook session key handling. They implemented Rack middleware to convert Facebook's `fb_sig_session_key` into Rails session keys. Their work included testing this conversion process and adjusting the code to accommodate initializer-based settings. The user also made a minor typo correction.
rails
brianmario/mysql2
Jun 2011 - Jun 2011
A modern, simple and very fast Mysql library for Ruby - binding to libmysql
Role in this project:Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:5 commits in 1 day
Contributions summary:Andrew primarily contributed to the `mysql2` Ruby library, focusing on improving its functionality and robustness. Their work involved implementing timeout handling, connection management improvements with a focus on reconnection, and addressing issues related to connection closure and thread safety. Furthermore, the user added tests, including metadata queries, and refactored existing tests to improve reliability. The user demonstrated expertise in low-level C code by making changes in the `ext/mysql2/client.c` file to enhance client behavior.
mysqlruby
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