Jaroslaw Bielicki
Principal Software Engineer at Jabiel Jarosław Bielicki
Warsaw, Masovian Voivodeship, Poland
Summary
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Senior🎓
Top SchoolJaroslaw Bielicki is a Principal Software Engineer with 11 years of experience building and scaling cloud-native products from prototype to multi-million-user deployments. He has led development teams and headed engineering efforts, designing resilient architectures using serverless patterns, message queuing, NoSQL, and CI/CD to support high-availability mobile and web apps. His hands-on stack ranges from .NET and SQL Server to Next.js/React and React Native, and he has integrated complex third-party services like Stripe, Twilio and SendGrid to deliver polished user experiences. Notably, he architected a platform that serviced over 3 million paying customers and implemented automated monitoring and performance logging to maintain SLA-driven reliability. Based in Warsaw, he combines strong systems thinking with practical delivery leadership, often moving between deep technical contributions and product-focused coordination.
11 years of coding experience
13 years of employment as a software developer
Master of Engineering - MEng Technical Informatics, Master of Engineering - MEng Technical Informatics at Lodz University of TechnologyEngineer's degree Technical Informatics, Engineer's degree Technical Informatics at Akademia Humanistyczno-Ekonomiczna w ŁodziEng Technical informatics, Eng Technical informatics at Fachhochschule Nordhausen
Polish, English
Stackoverflow
856reputation
135kreached
25answers
4questions
Github Skills (32)
passwords10
browser9
csharp9
chrome9
portable-class-library8
class-library8
stripe7
sketchup6
popup-menu6
right-click6
asp-net6
pagecontrol6
sql6
cookie6
delphi6
Programming languages (5)
Github contributions (5)
jabiel/webapi.js
May 2015 - Aug 2021
Angular module for passing auth token to api
Contributions:1 PR, 19 pushes, 1 branch in 6 years 4 months
apitokenauth-tokenangulartypescript
jabiel/BrowserPass
Jul 2016 - Jan 2023
Retrieves passwords stored in browsers written in C#
Contributions:1 review, 8 commits, 4 PRs in 6 years 6 months
passwordsstoredbrowserbrowserschrome
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