Rainer Kuhn
Lead Developer at Groundsure
Brighton, England, United Kingdom
Summary
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RockstarRainer Kuhn is a Lead Developer based in Brighton with 13 years of experience building and guiding web applications, primarily in Ruby on Rails. He moved from hands-on Rails work to technical leadership at Groundsure, combining product-focused delivery with mentoring and architecture decisions. A long-time Rubyist who’s evolving into a polyglot, he contributes to notable OSS like the Her ORM—improving REST-to-object mapping and test quality—which reflects a pragmatic focus on API-driven architectures. Past roles span startups, agencies, and freelance work, giving him a knack for shipping practical solutions under varied constraints. Colleagues describe him as the kind of engineer who balances code health and feature velocity, and who quietly improves developer workflows behind the scenes.
13 years of coding experience
7 years of employment as a software developer
Stackoverflow
1,161reputation
115kreached
3answers
2questions
validation
top-5%
ruby-on-rails
top-5%
Github Skills (11)
ruby10
rspec10
ruby-rails10
rails10
orm10
testing10
ruby-on-rails9
validation9
factory-bot6
database6
asset-pipeline6
Programming languages (9)
Github contributions (5)
remi/her
Oct 2015 - Oct 2016
Her is an ORM (Object Relational Mapper) that maps REST resources to Ruby objects. It is designed to build applications that are powered by a RESTful API instead of a database.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:9 commits, 4 PRs, 1 push in 1 year
Contributions summary:Rainer primarily focused on enhancing the `Her` ORM, which maps REST resources to Ruby objects. Their commits demonstrate the addition of functionality for allowing parameters during resource deletion and fixing failing specifications. They also updated the RSpec testing framework and improved code style within the project. These contributions directly impact the functionality and maintainability of the ORM library.
orm-object-relational-mapperapirelationalrailsrestful
ticktricktrack/Gilded-Rose
Jul 2017 - Feb 2021
Contributions:1 PR, 9 pushes, 4 branches in 3 years 7 months
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