Łukasz Harasimowicz
Staff Software Engineer at Fandom
Greater Poland Voivodeship
Summary
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Rockstar🎓
Top SchoolŁukasz Harasimowicz is a Staff Software Engineer with over a decade of experience building and operating complex web applications across frontend and backend stacks. He has deep MySQL expertise and a track record of shaping architecture, coaching small teams, and improving platform tooling while at Fandom and home.pl. A pragmatic backend engineer and DevOps-minded contributor, he has added production-grade integrations and fixes to notable open-source projects such as Telegraf and Ory Kratos. Currently expanding into Go, he focuses on efficient, scalable services and has demonstrated attention to performance and memory optimization in identity and metrics tooling. Based in Greater Poland, he combines hands-on coding with leadership in delivery and a history of solving tricky integration and monitoring edge cases.
11 years of coding experience
21 years of employment as a software developer
Master of Science (MS), Artificial Intelligence and Software Engineering, Master of Science (MS), Artificial Intelligence and Software Engineering at Technical University of Lodz
English, Polish
Github Skills (27)
monitoring10
mesos10
pytest10
python10
apidoc10
testing10
telegraf10
user-authentication10
authentication10
identity-management10
flask-ask10
consul10
php10
go10
prometheus10
Programming languages (12)
Github contributions (5)
Wikia/app
Feb 2015 - Feb 2021
Wikia Application Code
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 reviews, 543 commits, 200 PRs in 6 years 1 month
Contributions summary:Łukasz contributed primarily to the back-end of the `wikia/app` repository. Their work involved implementing and testing features related to user preferences, including caching mechanisms and setting/getting user preferences, and also adding banner notifications to inform the user when their email address needs to be confirmed. Additionally, the user made changes to a PHP file related to handling comments in the application.
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ory/kratos
Mar 2021 - Jul 2022
Headless cloud-native authentication and identity management written in Go. Scales to a billion+ users. Replace Homegrown, Auth0, Okta, Firebase with better UX and DX. Passkeys, Social Sign In, OIDC, Magic Link, Multi-Factor Auth, SMS, SAML, TOTP, and more. Runs everywhere, runs best on Ory Network.
Role in this project:Back-end Developer
Back-end DeveloperContributions:63 reviews, 11 commits, 15 PRs in 1 year 4 months
Contributions summary:Łukasz primarily contributes to the backend functionality of the `ory/kratos` project. Their work includes implementing new features such as an endpoint for invalidating sessions, as well as fixing bugs in existing endpoints. The user also modifies code related to identity management and authentication flows. Furthermore, the user demonstrates a focus on code optimization, as seen in eager preloading and memory allocation improvements.
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