Jason Madden
Executive Director, Cyber Security Software Engineer at ISS | Institutional Shareholder Services
Norman, Oklahoma, United States
Summary
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Rockstar🎓
Top SchoolJason Madden is an experienced software and security leader with 13+ years building and scaling engineering teams and secure systems, currently serving as Executive Director, Cyber Security Software Engineer at ISS. He brings a strong full-stack and backend pedigree from roles including Chief Architect at NextThought and VP at MSCI/RiskMetrics, with deep expertise in Python tooling and deployment automation. An active open-source contributor, he has improved widely used projects like Buildout and PyGraphviz—fixing Python 3 compatibility, memory issues, and testing infrastructure—demonstrating attention to stability and cross-implementation support (including PyPy). Based in Norman, Oklahoma, he pairs an MS in Computer Science with hands-on problem solving across finance, edtech, and research domains, and is known for quietly improving reliability through careful refactoring and test-driven fixes.
13 years of coding experience
20 years of employment as a software developer
High School, High School at Oklahoma School Of Science And MathMS, Computer Science, MS, Computer Science at University of Oklahoma
Stackoverflow
576reputation
21kreached
11answers
0questions
Github Skills (20)
debug10
python10
testing10
build210
pypy10
graph-visualization10
build-automation10
build-tools10
complex-networks8
version-control8
git8
greenlet6
flask6
heroku6
multithreading6
Programming languages (14)
Github contributions (5)
buildout/buildout
Apr 2014 - Jul 2018
Buildout is a deployment automation tool written in and extended with Python
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 reviews, 14 commits, 6 PRs in 4 years 3 months
Contributions summary:Jason primarily focused on improving the build automation tool, Buildout, by addressing resource management and fixing deprecation warnings to enhance Python 3 compatibility. They refactored code to close files, added support for the `allow-unknown-extras` option, and addressed file handling issues. Furthermore, the user corrected typos, improved code formatting, and implemented other minor improvements to improve the stability and functionality of the project.
continuous-deploymentcontinuous-testingpythondevopsdeployment
pygraphviz/pygraphviz
Sep 2015 - Sep 2015
Python interface to Graphviz graph drawing package
Role in this project:Back-end Developer & QA Engineer
Back-end Developer & QA EngineerContributions:8 commits, 3 PRs, 7 comments in 10 days
Contributions summary:Jason primarily focused on adding PyPy support to the project, indicating a focus on Python compatibility and performance optimization. They addressed segmentation faults in the test suite, specifically related to memory management within the graph data structures. Additionally, the user implemented improvements to the testing infrastructure and enabled read/write tests for improved code coverage.
pythonpython-interfacecomplex-networksgraph-drawinggraph
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