Piotr Jakubowski
Senior Fullstack Developer (.NET) at N-iX
Poland
Summary
👤
Senior🎓
Top SchoolPiotr Jakubowski is a Senior Fullstack Developer specializing in .NET and TypeScript with over 15 years of software experience and 4+ years focused as a fullstack engineer delivering end-to-end systems. He has built and maintained microservices on Azure and Docker, shipped cross-platform client apps with .NET MAUI, and led solo projects through GitLab CI/CD pipelines. Comfortable in both large (100+) and small teams, he frequently serves as the technical bridge with clients and stakeholders. Piotr is an active open-source contributor with backend work on notable Ruby projects like Doorkeeper and Mongoid, showing deeper experience in API/auth and ORM internals. He continuously explores lower-level languages—Golang for terminals and C/C++ for desktop—to expand his systems knowledge and tooling skills. Based in Poland, he turns business requirements into pragmatic, maintainable solutions across the full stack.
15 years of coding experience
Inżynier (Inż.) - Programowanie aplikacji mobilnych i internetowych, | Bachelor of Engineering - Programming of Web and Mobile applications, Inżynier (Inż.) - Programowanie aplikacji mobilnych i internetowych, | Bachelor of Engineering - Programming of Web and Mobile applications at The Witelon State University of Applied Sciences in Legnica
Stackoverflow
1,760reputation
114kreached
36answers
5questions
Github Skills (28)
ruby-rails10
authorizations10
rspec10
authentication10
user-authentication10
rails10
mongodb-database10
ruby10
orm10
authorization10
activerecord10
doorkeeper10
mongodb10
ruby-on-rails10
oauth10
Programming languages (5)
Github contributions (5)
doorkeeper-gem/doorkeeper
Nov 2011 - Jan 2013
Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:85 commits, 4 comments in 1 year 2 months
Contributions summary:Piotr primarily contributed to the development of the Doorkeeper gem, an OAuth 2 provider for Ruby on Rails. Their work included setting up and testing the core functionality of the gem, such as application models and authorization endpoints. They also refactored the configuration options with a more flexible Domain Specific Language (DSL) to allow resource owner and admin authentication. Furthermore, the user built out a web frontend for adding and managing OAuth applications, integrating with Twitter Bootstrap for styling.
omniauthoauth2-serveridentitydoorkeeperruby
railsadminteam/rails_admin
Dec 2010 - Jan 2011
RailsAdmin is a Rails engine that provides an easy-to-use interface for managing your data
Role in this project:Back-end Developer
Back-end DeveloperContributions:10 commits in 20 days
Contributions summary:Piotr focused on implementing and integrating bulk deletion functionality within the RailsAdmin engine. Their work involved adding new features for bulk record deletion, including the necessary views, controllers, and database interactions. They also integrated history tracking to log the actions taken during the bulk deletion process. Furthermore, the user wrote comprehensive tests to ensure the correct functionality of the new feature.
railsrails-enginerailsadminrubyactivemodel
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