Damian Krzeminski
Co-founder at LEWYHALS LLC
Steamboat Springs, Colorado, United States
Summary
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RockstarDamian Krzeminski is a seasoned co-founder and software engineer with 15 years of hands-on experience building backend systems and authentication flows. Based in Steamboat Springs, Colorado, he combines entrepreneurial grit with deep technical know-how, running LEWYHALS LLC since 2011. An active open-source contributor, Damian enhanced the popular everyauth Node.js package by adding OAuth integrations (notably TripIt), a guest auth module, and configurable redirect behavior—demonstrating practical expertise in authentication protocols. He brings a pragmatic, product-minded approach to engineering, favoring reliable, well-documented solutions that help teams ship quickly. Outside of code, his GitHub bio hints at a life balanced between outdoor pursuits and international perspective, which informs a collaborative, resilient leadership style.
15 years of coding experience
Stackoverflow
1,627reputation
143kreached
12answers
1question
service-worker
top-5%
Github Skills (16)
apim10
user-authentication10
nodejs10
javascript10
authentication10
api10
expressjs10
oauth10
service-worker9
caching6
progressive-web-apps6
cache-control6
content-security-policy6
google-maps-api6
google-maps6
Programming languages (9)
Github contributions (5)
bnoguchi/everyauth
Feb 2012 - Dec 2013
node.js auth package (password, facebook, & more) for Connect and Express apps
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 commits in 1 year 11 months
Contributions summary:Damian primarily contributed to the `everyauth` project by adding and integrating OAuth modules for various services, specifically TripIt, and implementing features such as a guest authentication module. They also enhanced existing functionality by introducing a configurable `performRedirect` method. Furthermore, the user added usage examples and configuration options for the new TripIt authentication and improved the existing authentication flow, demonstrating expertise in authentication protocols.
expressjsnode-jsauthenticationexpressfacebook
pirxpilot/popup-clock
Sep 2015 - Jan 2024
Contributions:20 pushes, 8 branches, 7 tags in 8 years 6 months
reacttimepicker-componenttimepicker
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