Karen Sijbrandij
Associate Engineering Manager
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolKaren Sijbrandij is an Associate Engineering Manager based in San Francisco with 12 years of experience transitioning from hands-on Ruby on Rails development to leading engineering teams at HackerOne. She blends a background in organizational and social psychology with technical training from Stanford and Udacity, enabling a people-first approach to coaching, hiring, and team growth. A self-taught programmer who runs community-focused initiatives like RailsGirls NL and has run her own Rails consultancies, she excels at translating complex technical problems into teachable steps. Karen’s trajectory—moving from sales and event management into software and engineering leadership—gives her uncommon strengths in communication, product-minded thinking, and operational delivery. She’s particularly passionate about learning pathways that help others level up and has applied that mindset both as a Udacity project reviewer and an engineering manager.
12 years of coding experience
12 years of employment as a software developer
Nanodegree Full Stack Web Developer, Computer Science, Nanodegree Full Stack Web Developer, Computer Science at UdacitySeth Godin's altMBABachelor of Arts, Social Sciences, Bachelor of Arts, Social Sciences at University College Utrecht, University of UtrechtInternational Business and Languages, International Business, International Business and Languages, International Business at HES RotterdamBeginning Programming: JavaScript, Computer Science, A+, Beginning Programming: JavaScript, Computer Science, A+ at Stanford Continuing StudiesNIMA, Sales A, NIMA, Sales A at ICMLondon School of Economics and Political Science
German, Spanish, French, Dutch, English
Stackoverflow
51reputation
918reached
0answers
2questions
Github Skills (25)
ruby-on-rails6
devise6
simplecov6
testing6
dockerhub5
graphql-query5
gitlab5
rails-app5
gitlab-ci5
gitlab-api4
docker4
api3
rails3
nodejs3
ruby2
Programming languages (3)
Github contributions (5)
sijbrandij/railsgirls-nl
Oct 2013 - Feb 2016
Contributions:57 commits, 5 PRs, 18 pushes in 2 years 4 months
ruby-on-railsrailsrails-appruby
sijbrandij/catalog_project5
Dec 2015 - Apr 2019
Contributions:11 pushes, 1 branch in 3 years 4 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.