ChrisΒ Kobrzak
Principal Engineer at Pizza Hut Digital & Technology
Stony Stratford, England, United Kingdom
Summary
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Seniorπ
Top SchoolChris Kobrzak is a Principal Engineer with over two decades of software experience and 11 years in senior full-stack and front-end roles, currently leading architectural changes for Pizza Hut Digital & Technology. He excels at designing maintainable, well-structured systems and driving cross-functional delivery using pair programming, TDD, and Agile practices, while mentoring engineers to raise team quality. His hands-on expertise spans React, Node/Express, Swift/SwiftUI, PostgreSQL, Docker and Redis, and he has repeatedly delivered high-traffic, SEO-sensitive web platforms and native iOS integrations. Notable work includes architecting a sophisticated slug service with PostgreSQL schemas and materialised views at Trainline and improving audio book import robustness in the open-source Cozy project. He combines technical leadership with daily use of AI-assisted coding tools and a practical focus on performance and cost optimisation. Based in Stony Stratford, he brings an engineer-first approach to modularising monorepos and simplifying complex content and auth infrastructures.
11 years of coding experience
23 years of employment as a software developer
Biotechnology, Biotechnology at Gdansk University of TechnologyHigh School No. IX in Gdansk
English, Polish
Stackoverflow
1,142reputation
7.2mreached
17answers
11questions
Github Skills (15)
unit-testing10
pytest10
python10
database-design9
gtk9
xcode6
datepicker6
version-control6
javascript6
keyboard-shortcuts6
svn6
iphone6
swiftui6
debian5
ui-design5
Programming languages (8)
Github contributions (5)
geigi/cozy
May 2021 - Jul 2021
π§ Listen to audio books π on Linux
Role in this project:
Back-end Developer & QA Engineer
Back-end Developer & QA EngineerContributions:3 reviews, 26 commits, 8 PRs in 1 month
Contributions summary:Chris focused on improving the quality and robustness of the Cozy audio book application. Their work included implementing case-insensitive book name handling, which prevented duplicate entries in the library. The user also added comprehensive unit tests to verify the correctness of the database importer and the `is_same_book` helper function, ensuring consistent behavior and preventing regressions. Furthermore, they optimized chapter loading and addressed race conditions related to rapidly switching between books in the UI.
ubuntupulseaudioaudiobooksaudio-bookmanjaro
whichdigital/webpack-react-workflow
Aug 2015 - Dec 2015
Contributions:44 commits, 9 PRs, 35 pushes in 4 months
commiteslintjavascriptlintingset-up
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