Johannes Plunien
Senior IOS Developer (Remote) at Kleinanzeigen
Greater Munich Metropolitan Area Germany
Summary
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RockstarJohannes Plunien is a seasoned senior iOS developer with nearly two decades of software experience and over eight years of remote work, currently shaping the Kleinanzeigen iOS app. He blends deep mobile engineering skills with strong test automation expertise, contributing to prominent open-source projects like Facebook’s idb and the KIF testing framework to improve simulator/device automation and test reliability. His background spans full‑stack and backend work—from adding autocomplete and keyboard shortcuts to MetaCPAN to enhancing DBIx::Class database sequence support—showing versatility across frontend, backend and tooling. A co-founder of AptumTek, he pairs product-minded engineering with practical delivery at scale for consumer-facing apps. Colleagues value his knack for stabilizing complex test suites and shipping subtle UX improvements that quietly improve user experience.
18 years of coding experience
9 years of employment as a software developer
English, German, objective-c, ruby, perl, javascript, java, swift
Stackoverflow
1,331reputation
146kreached
31answers
4questions
Github Skills (44)
uitest10
objective-c10
javascript10
ios10
oracles10
jquery10
databases10
dbi10
dbix-class10
perl10
xctest10
xcode10
oracle10
sql10
database-design10
Programming languages (19)
Github contributions (5)
kif-framework/KIF
Aug 2013 - Nov 2018
Keep It Functional - An iOS Functional Testing Framework
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:10 commits, 3 PRs, 7 comments in 5 years 3 months
Contributions summary:Johannes primarily contributed to the testing framework by addressing bugs and improving test coverage. They fixed issues related to accessibility labels with line breaks, action sheet interactions on iOS 8/9, and scroll view behavior. The user also added new test cases and enhanced existing ones. This indicates a focus on ensuring the framework's reliability and functionality through comprehensive testing.
functional-testingios
metacpan/metacpan-web
Jun 2011 - Apr 2015
Web interface for MetaCPAN
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:51 commits, 5 PRs, 1 comment in 3 years 10 months
Contributions summary:Johannes implemented features for the MetaCPAN web interface. They added an autocomplete feature, creating both the backend (using Perl) and frontend (using Javascript and the jQuery autocomplete plugin). They also modified the display of the module pages, including the addition of keyboard shortcuts and a Github information popup. These changes improved the user experience and functionality of the website.
metacpanperlcpan
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