Douglas Rew - Software Engineer at Block

Douglas Rew

Software Engineer at Block

Bellevue, Washington, United States

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Summary

👤

Senior

🎓

Top School

Douglas Rew is a software engineer with 11 years of experience building large-scale, integrity-focused systems at companies like Block, Facebook, and Microsoft. He specializes in backend engineering for high-throughput services—scaling recommendation and monitoring platforms to serve millions while improving quality and reliability. At Facebook he applied deep text-learning techniques to fight misinformation and optimize search and recommendations, and at Block he now focuses on compliance-related systems. An early contributor to performance-focused tooling, he improved the facebookarchive/prepack serializer to reduce unnecessary wrapper functions and added unit tests to harden optimization logic. With a Master of Software Engineering from Carnegie Mellon and hands-on experience automating operations in extreme-scale environments, he blends rigorous engineering with practical operational insight.

12 years of coding experience

8 years of employment as a software developer

Bachelor of Engineering (BEng), Computer Engineering, Bachelor of Engineering (BEng), Computer Engineering at Virginia Tech

Master of Software Engineering, Computer Science, Master of Software Engineering, Computer Science at Carnegie Mellon University

English, Korean

Github Skills (3)

javascript10

optimization10

unit-testing9

Programming languages (1)

JavaScript

Github contributions (4)

facebookarchive/prepack

Apr 2017 - Apr 2017

A JavaScript bundle optimizer.

Role in this project:

Back-end Developer

Contributions:9 commits in 3 days

Contributions summary:Douglas focused on optimizing the JavaScript bundle optimizer, specifically addressing the generation of wrapper functions. Their contributions include modifying the code to avoid unnecessary wrapper functions, implementing unit tests for the serializer, and resolving merge conflicts. The user demonstrated expertise in modifying the code logic related to variable and function declarations within the serialization process, impacting the optimization of JavaScript code.

javascriptoptimization

abhisharmab/AdvancedMapReduceFramework

Jul 2014 - Jul 2014

Contributions:94 commits in 10 days

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