Michael Fogus
Principal Software Engineer at Nubank
Burke, Virginia, United States
Summary
🤩
Rockstar🎓
Top School
Top expert inClojure Web Development and Tooling
Michael Fogus is a Principal Software Engineer with 17+ years building distributed systems, language tooling, and expert systems, currently contributing to Clojure core at Nubank. He blends deep functional-programming expertise (Clojure, Scala, Datomic) with practical systems work in Java, JavaScript, and C/C++, and has architected large-scale web services and simulation middleware across defense and fintech domains. An active open-source contributor, he has helped evolve ClojureScript and notable libraries like Underscore-contrib, implementing foundational combinators and array utilities used by many projects. His background includes authoring and co-authoring influential books on functional programming and a Johns Hopkins MS in AI, reflecting a strong tie between research-minded thinking and production-grade engineering.
17 years of coding experience
22 years of employment as a software developer
B.A. Computer Science Computer Science Mathematics, B.A. Computer Science Computer Science Mathematics at St. Mary's College of MarylandJohns Hopkins University
Stackoverflow
6,166reputation
207kreached
23answers
15questions
clojure
top-5%
Github Skills (20)
unit-testing10
javascript10
compiler-development10
underscorejs10
data-manipulation10
underscore10
functional-programming10
clojurescript10
clojure9
data-structures8
data-structure8
algorithms7
vector6
syntax6
coding-style6
Programming languages (11)
Github contributions (5)
documentcloud/underscore-contrib
Apr 2013 - Jun 2015
The brass buckles on Underscore's utility belt
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:308 commits, 4 PRs, 4 pushes in 2 years 1 month
Contributions summary:Michael contributed to the development of the Underscore-contrib library, focusing on building array manipulation utilities. They implemented the `cat`, `cons`, `partition`, `partitionAll`, `mapcat`, `interpose`, `interleave`, `repeat`, `cycle`, `splitAt`, `iterateUntil`, `takeSkipping`, and `reductions` functions, demonstrating a strong understanding of array-based operations. They also contributed to the supporting test suite, including test setup and adding individual unit tests to demonstrate functionality.
beltunderscore
clojure/clojurescript
Jun 2011 - Feb 2013
Clojure to JS compiler
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:165 commits in 1 year 8 months
Contributions summary:Michael contributed significantly to the ClojureScript compiler by implementing several core functions and features. They focused on adding functional combinators and logical operations such as `comp`, `not`, `complement`, and `constantly`. The user also implemented data structure manipulation functions and created a new version of the concat function. Additionally, the user worked on a set of features for the apply/call mechanisms.
compilerclojureclojurescript
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