Piotr Jarolewski
Senior Software Engineer at Ringier Axel Springer Polska
Greater Poland Voivodeship
Summary
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Rockstar🎓
Top SchoolPiotr Jarolewski is a Senior Software Engineer with 11 years of multi-language experience building backend systems and web applications across Java, Python (Django), Node.js and modern front-end frameworks. He has held senior roles at Ringier Axel Springer Polska and Grupa Allegro, contributing to large-scale production services and to Allegro’s open-source Ralph CMDB where he enhanced Django-based asset management functionality. Comfortable across databases (MongoDB, MySQL, PostgreSQL) and JVM and Python ecosystems, Piotr blends hands-on implementation with pragmatic system improvements like bulk operations, admin UX fixes and report permissions. He founded and ran a software consultancy early in his career, showing entrepreneurship alongside long-term product engineering. Based in Greater Poland, he brings a practical, full-stack perspective and a track record of iterating on both developer-facing tools and customer-facing systems.
11 years of coding experience
13 years of employment as a software developer
Engineer's degree, Information Technology, Mainframe Systems, Engineer's degree, Information Technology, Mainframe Systems at Społeczna Wyższa Szkoła Przedsiębiorczosci i Zarządzania w Łodzi
English, Polish
Stackoverflow
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Github Skills (13)
back-end-development10
python10
django10
cmdb9
admin-interface9
admin9
asset-management9
customisation9
custom-ui9
rest-api8
api-rest8
restful-api8
api-design8
Programming languages (5)
Github contributions (5)
allegro/ralph
Mar 2015 - Mar 2017
Ralph is the CMDB / Asset Management system for data center and back office hardware.
Role in this project:
Backend Developer
Backend DeveloperContributions:1 release, 292 commits, 613 PRs in 2 years
Contributions summary:Piotr contributed to the back-end functionality of the Ralph CMDB/Asset Management system, focusing on Django-based features and improvements. Their commits include adding a default country code, removing search text from the search form, modifying list displays in the admin interface, and enhancing the bulk add functionality. The user also implemented a user profile view and added permissions to reports, and addressed various bug fixes and optimizations.
djangoinventory-managementralphassets-managementmanagement-system
szok/django-powerdns-dnssec
Mar 2016 - Jan 2017
Django application managing PowerDNS database
Contributions:106 pushes, 41 branches in 10 months
pythondjangodatabasedjango-applicationpowerdns
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