Georg Ledermann
Software Developer at Self-employed
Jülich, North Rhine-Westphalia, Germany
Summary
🤩
Rockstar🎓
Top SchoolGeorg Ledermann is a seasoned full‑stack software developer with 15 years of experience specializing in Ruby on Rails and web development, operating as a self‑employed engineer from Jülich, Germany. He builds practical, production-ready backend systems and open-source tools—most notably the photovoltaic dashboard Solectrus—and has a track record of creating and hardening Rails libraries like unread and rails-settings. Georg’s contributions show attention to long‑term compatibility and robustness, including modernizing gems to handle Rails deprecations, diverse database adapters, and cleaner test suites. With a Diplom in Wirtschaftsinformatik from Universität zu Köln, he blends business‑oriented thinking with deep ActiveRecord and backend design skills. Colleagues value his pragmatic problem solving and steady maintenance work that keeps ecosystems healthy behind the scenes.
15 years of coding experience
Diplom, Wirtschaftsinformatik, Diplom, Wirtschaftsinformatik at Universität zu Köln
German, English
Stackoverflow
2,732reputation
171kreached
20answers
16questions
rspec
top-5%
Github Skills (20)
ruby-rails10
rubygems10
testing10
rails10
ruby10
appsettings10
activerecord10
ruby-on-rails10
rspec9
configuration-management9
configuration-file9
configurations9
test-unit9
refactoring8
cache-control6
Programming languages (13)
Github contributions (5)
ledermann/unread
Oct 2010 - Nov 2022
Handle unread records and mark them as read with Ruby on Rails
Role in this project:
Back-end Developer
Back-end DeveloperContributions:19 releases, 335 commits, 40 PRs in 12 years 3 months
Contributions summary:Georg's primary contribution was the initial implementation of the "unread" plugin for a Ruby on Rails application. The code changes encompass the creation of core modules like `acts_as_readable` and related scopes, as well as the supporting models and migration files. They also created supporting tests for the functionality, demonstrating a focus on the backend development of the feature. Furthermore, the user demonstrated familiarity with Ruby, Rails and ActiveRecord.
ruby-on-railsrecordsrubygemsrailsmongoid
ledermann/rails-settings
Jul 2010 - Mar 2022
Manage settings with Ruby on Rails
Role in this project:Back-end Developer
Back-end DeveloperContributions:8 releases, 1 review, 218 commits in 11 years 9 months
Contributions summary:Georg's commits primarily focus on the Rails settings library, demonstrating work on core functionality. They modified settings creation, retrieval, and deletion mechanisms. The changes include improvements to the core `Settings` class, additions of scopes and methods to manage settings associated with other objects. These contributions are aimed at enhancing the library's usability, fixing bugs, and adding features.
ruby-on-railsconfigurationrubygemsrailsruby
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