Sam Umbach
Software Engineer at Infinity Loop
New Jersey, United States
Summary
👤
Senior🎓
Top SchoolSam Umbach is a seasoned software engineer with 16 years of experience building production systems across game development, finance, healthcare, and startups. He combines deep systems knowledge—networking, storage, databases, operating systems—with modern full-stack skills in Clojure/ClojureScript, React, TypeScript, and backend integrations like Kafka, FIX, and Snowflake. As a former Director of Engineering he grew and mentored teams while instituting performance reviews, training programs, and delivery practices, and previously shipped game-console titles and pioneered on-console CI at EA Sports. Sam contributes to open-source projects such as the Defold game engine, where he focused on reducing reflection warnings to improve backend reliability and maintainability. Based in New Jersey, he’s pragmatic about engineering standards and tooling, with a knack for turning complex integration requirements into robust, testable systems.
16 years of coding experience
23 years of employment as a software developer
BS Computer Engineering Mathematics, BS Computer Engineering Mathematics at Iowa State University
Stackoverflow
21reputation
2kreached
1answer
0questions
Github Skills (9)
clojure10
reflections10
reflection10
backend10
clojure-cli10
routes6
ruby-on-rails6
game-engine4
game-development4
Programming languages (15)
Github contributions (5)
defold/defold
Nov 2014 - Feb 2015
Defold is a completely free to use game engine for development of desktop, mobile and web games.
Role in this project:
Backend Developer
Backend DeveloperContributions:161 commits in 3 months
Contributions summary:Sam primarily focused on resolving reflection warnings within the code, indicating a likely interest in improving code quality and maintainability. Their work involved modifying Clojure code files, suggesting a focus on server-side logic or other backend implementations. The user addressed issues with the codebase's reflection, enhancing the efficiency and reliability of the program. They also removed an unnecessary `world-ref` from transactions.
gamegamesdefoldgamedevc-plus-plus
sumbach/bash-handbook
Jan 2016 - Feb 2016
Contributions:29 pushes, 26 branches, 1 comment in 15 days
shellbash-scriptlearn-bashbash
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