Andreas Sæbjørnsen
Staff Software Engineer at Uber
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolAndreas Sæbjørnsen is a Staff Software Engineer in San Francisco with 17 years of experience turning product visions into measurable growth. At Uber he led work that drove a 16% quarterly efficiency gain on over a billion dollars in ad spend and previously engineered a referral flow that quintupled core metrics, reflecting a rare mix of product intuition and execution. He brings deep systems and research roots from a PhD in Computer Science and a decade at Lawrence Livermore National Lab, where he built compiler algorithms and productionized CI/release workflows on supercomputers. A pragmatic full-stack engineer and leader, he’s comfortable shipping scalable backend services, optimizing acquisition/defense data systems, and founding early-stage companies. He’s also contributed to open-source Ruby tooling such as modernizing mongoid-slug for newer Mongoid versions, showing attention to legacy upgrade paths that many teams overlook. Based in SF, Andreas blends academic rigor with hands-on startup and enterprise impact.
17 years of coding experience
8 years of employment as a software developer
PhD, Computer Science, PhD, Computer Science at University of California, DavisUniversity of Oslo
Norwegian, English
Stackoverflow
163reputation
11kreached
3answers
4questions
Github Skills (14)
refactoring10
mongodb10
mongoid10
ruby10
testing9
database-design9
git6
emberjs6
ajax6
authentication6
ember-data6
javascript6
sinon6
git-submodules6
Programming languages (4)
Github contributions (5)
mongoid/mongoid-slug
Jun 2012 - Dec 2014
Generates a URL slug/permalink based on fields in a Mongoid-based model.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:129 commits, 7 comments, 1 issue in 2 years 7 months
Contributions summary:Andreas primarily focused on refactoring and updating the `mongoid-slug` library to align with newer versions of Mongoid. They updated the codebase to use Mongoid 3.0 syntax and modified the slug storage mechanism. These changes involved altering how slugs are stored and indexed, optimizing the find functionality, and refactoring the custom slug builder. The user also added tests to ensure the library's compatibility and correct behavior within the context of the specified version of Mongoid.
mongoidpermalinkurl-slug
digitalplaywright/eak-simple-auth-blog-client
Apr 2014 - Jun 2014
Contributions:51 commits in 1 month
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