Erin Tjossem
Self Employed
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolErin Tjossem is a retired software engineering lead based in San Francisco with 13 years of experience building user-focused web applications and leading small, collaborative teams. She specialized in front-end engineering with deep hands-on experience in React, Angular, Backbone, and Ruby on Rails, and shipped features that improved onboarding, security, and revenue for companies like SendGrid and NerdWallet. Erin has a track record of translating design-forward product thinking into practical interfaces—from mobile apps and responsive sites to style guides and authentication flows. She played key roles in startups and acquisitions, contributing to product growth at Message Bus, Chariot, and Rinse before joining larger teams. In retirement she channels her organizational skills into connecting the Bay Area LGBTQ+ community, applying the same user-centered mindset to community building. Her background in political science and systems administration gives her a rare blend of technical craft, user empathy, and operational perspective.
13 years of coding experience
11 years of employment as a software developer
BA, Political Science, BA, Political Science at Grinnell College
English, Spanish
Stackoverflow
2,616reputation
777kreached
19answers
0questions
unix
top-5%
spring
top-5%
cron
top-1%
Github Skills (63)
cron10
unix9
moment-range9
spring9
ace-editor9
text-editing9
js9
macos8
extensible8
multiline8
editing8
knowledge-management8
cloud-storage8
linux8
windows8
Programming languages (7)
Github contributions (5)
etjossem/etjossem.github.io
Mar 2014 - Mar 2015
etjossem personal site
Contributions:64 commits, 26 pushes in 11 months
etjossem/country-codes-html
Mar 2017 - Mar 2017
Contributions:13 commits, 12 pushes, 1 branch in 1 day
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