Steven Englehardt - Software Engineer at DuckDuckGo

Steven Englehardt

Software Engineer at DuckDuckGo

Mountain View, California United States

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Summary

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Rockstar

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Top School

Steven Englehardt is a software engineer and privacy engineer based in Mountain View with 12 years' experience building back-end systems and web measurement tooling. He contributes to OpenWPM, a prominent open-source web privacy measurement framework, where he enhanced cookie ID extraction and extended MITMProxy integrations to persist HTTP-level data into leveldb for large-scale analysis. With academic roots spanning Stevens Institute of Technology (BSc/MSc) and a PhD in Computer Science from Princeton, he blends rigorous research training with practical engineering to tackle privacy and data-processing challenges. Notably, he focuses on plumbing and instrumentation that turn noisy web traffic into structured, auditable datasets used for empirical privacy research.

12 years of coding experience

VTHS

B.Sc., M.Sc., Applied Physics, Computer Science, B.Sc., M.Sc., Applied Physics, Computer Science at Stevens Institute of Technology

Doctor of Philosophy (PhD), Computer Science, Doctor of Philosophy (PhD), Computer Science at Princeton University

Github Skills (6)

sql10

python10

database9

data-analysis9

databases9

security8

Programming languages (10)

TypeScriptBikeshedMakefileSCSSJavaScriptHTMLSwiftJupyter Notebook

Github contributions (5)

openwpm/OpenWPM

Mar 2014 - Jan 2023

A web privacy measurement framework

Role in this project:

Back-end Developer

Contributions:11 releases, 48 reviews, 876 commits in 8 years 11 months

Contributions summary:Steven's primary contributions center on enhancing the core web privacy measurement framework, OpenWPM. They focused on extracting and analyzing persistent cookie IDs from databases, a key area for the framework's purpose. The user made significant updates to the MITMProxy, including integration of more information and the development of functions to save data to a leveldb database as part of data processing for HTTP requests and responses.

firefoxprivacysecuritymeasurementpython3

openwpm/openwpm-crawler

Sep 2018 - Dec 2021

A crawler that uses OpenWPM.

Contributions:54 commits, 21 PRs, 48 pushes in 3 years 3 months

crawlerpythonspider

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