Lukasz Karolewski
Senior Engineering Manager at LinkedIn
San Jose, California, United States
Summary
👤
Senior🎓
Top SchoolLukasz Karolewski is a senior engineering leader with 15+ years building high-availability web and search systems across startups and large enterprises, currently driving LLM and GAI integration at LinkedIn. He combines first-principles thinking with hands-on execution—having founded and sold an ISP, served as CTO of a HIPAA-compliant healthcare comms startup, and led large web rewrites that materially improved revenue, performance, and reliability. Lukasz has managed managers and organizations up to dozens of engineers, overseen multi-region 99.99% systems at ~10k qps, and delivered culture- and process-level changes like CI/CD, experimentation programs, and automated testing. He’s equally comfortable leading technology migrations and crafting business cases for change, evidenced by measurable gains in revenue, CSAT, and defect reduction. Based in San Jose and grounded in a Warsaw University of Technology CS education plus executive study at Berkeley and Stanford, he brings entrepreneurial grit, cross-functional influence, and a knack for turning complex technical challenges into quantifiable business outcomes.
11 years of coding experience
18 years of employment as a software developer
Master of Science (M.Sc.) Computer Science, Master of Science (M.Sc.) Computer Science at Warsaw University of TechnologyStanford Continuing StudiesUniversity of California, Berkeley, Haas School of BusinessCertificate IT Management and IT Governance, Certificate IT Management and IT Governance at SGH Warsaw School of Economics
English, Polish
Stackoverflow
369reputation
28kreached
6answers
6questions
Github Skills (200)
python10
wave10
automation10
bison10
visual-studio10
home-assistant10
hybrid10
javascript10
mqtt10
wireless10
browser10
editor10
api10
compiler10
home-automation10
Programming languages (10)
Github contributions (5)
reefsource/reefsource
May 2017 - Sep 2017
Contributions:214 commits, 14 PRs, 188 pushes in 4 months
lukasz-karolewski/angular-identicon
Jun 2015 - Jan 2016
Contributions:37 commits, 1 PR, 34 pushes in 7 months
typescriptidenticonsangulargithub-like
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.