Piotr Blazejewicz
Senior Software Developer at Jabra
Warsaw, Masovian Voivodeship, Poland
Summary
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Rockstar🎓
Top School
Top expert inFull-Stack JavaScript Development
Piotr Blazejewicz is a Senior Software Developer with 13 years of experience building and modernizing web applications and microservices, currently focused on Azure, .NET Core and Angular at Jabra in Warsaw. He blends strong front-end expertise (Angular, WebComponents, React, TypeScript) with back-end skills (C#, ASP.NET, Node.js) and has led large codebase migrations, CI/CD and APM integrations. An active open-source maintainer and contributor — notably in DefinitelyTyped, OmniSharp and Microsoft repos such as azure-storage-node and aspnetcore — he improves developer experience through type definitions, templates and UI/component fixes. Piotr pairs pragmatic engineering with customer-facing technical support, has introduced TypeScript and modern testing practices into legacy teams, and even authored a NewRelic TypeScript integration for real user monitoring. Outside work he prototypes IoT projects (Arduino, Raspberry Pi, MicroPython), and once scored 90% on an online Caltech course, reflecting a persistent curiosity for new tech.
13 years of coding experience
18 years of employment as a software developer
Faculty of Law and Administration, Faculty of Law and Administration at Warsaw UniversityGraphic Design, Graphic Design at Wyższa Szkoła Informatyki Stosowanej i Zarządzania WIT w Warszawie
English, Japanese
Stackoverflow
97reputation
55kreached
14answers
0questions
Github Skills (72)
expressjs10
ui-components10
testing10
asp-net-core10
gruntjs10
bootstra10
blazor-server10
auth10
razor10
javascript10
azure-sdk10
blazor10
uid10
front-end-development10
html10
Programming languages (25)
Github contributions (5)
OmniSharp/generator-aspnet
Dec 2014 - May 2018
yo generator for ASP.NET Core
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:590 commits, 647 PRs, 258 pushes in 3 years 5 months
Contributions summary:Piotr primarily contributed to the development of the ASP.NET Core generator. Their work included refactoring file system operations, updating templates for RC2 releases, and incorporating features like a README generator and NuGet configuration support. The user's commits also included addressing issues related to styling, and addressing issues related to styling, and improving UI and user experience. Furthermore, the user added test coverage for added functionalities and project configurations.
aspyo-generatorasp-netnet-corenet-standard
auth0-samples/auth0-angular-samples
Jan 2017 - Mar 2021
Auth0 Integration Samples for Angular 2+ Applications
Role in this project:Front-end Developer
Front-end DeveloperContributions:14 commits, 14 PRs, 18 comments in 4 years 2 months
Contributions summary:Piotr primarily focused on front-end development tasks within the Angular-based Auth0 samples. Their contributions included fixing TSLint errors, updating Bootstrap version, and making minor markup adjustments in the application's components and HTML templates. They also made changes to various components, including app.component, auth.service, and route configurations, ensuring a functional and updated user interface. The user was also responsible for the removal of extra or unnecessary code that was affecting the usability of the application.
authenticationdx-sdkspaangularauth0
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