Johannes Nickel
Chief Executive Officer at Znuny Group
Berlin, Germany
Summary
🤩
RockstarJohannes Nickel is a seasoned technology executive and CEO of Znuny Group with 13 years of experience leading product and engineering efforts from Berlin. He combines strategic leadership with hands-on full-stack engineering, contributing to notable open-source projects like Zammad where he implemented object-linking models and iterated on both backend migrations and UI/UX changes. Johannes has steered his company through product evolution while remaining technically engaged, bridging customer support software needs with maintainable code. His background reflects a pragmatic, iterative approach—comfortable reverting and refining designs to improve long-term quality. Colleagues know him for blending operational leadership with a developer’s attention to detail and a focus on delivering practical, user-centered solutions.
13 years of coding experience
Github Skills (12)
activerecord10
ruby-rails10
rails10
ruby10
su9
database-migration9
sup9
database-migrations9
ticket-system9
javascript8
testing8
coffeescript7
Programming languages (9)
Github contributions (5)
zammad/zammad
Jul 2012 - Nov 2017
Zammad is a web based open source helpdesk/customer support system
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:13 commits, 1 PR, 2 pushes in 5 years 4 months
Contributions summary:Johannes primarily contributed to the implementation and modification of features related to linking objects within the Zammad helpdesk system. This includes creating a model for object linking, defining methods for adding, retrieving, and deleting links, and integrating these functionalities within the application's database schema through migration files. The user also addressed and reverted previous changes related to link models, indicating an iterative development approach, and made UI/UX related changes.
zammadcustomer-carerailsjavascriptweb-based
hanneshal/OTRS-Docsets
Oct 2014 - Feb 2021
Contributions:6 commits, 9 pushes in 6 years 5 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.