Piet Brauer-kallenberg
Manager at nerdish by nature
Saxony-Anhalt, Germany
Summary
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RockstarPiet Brauer-kallenberg is a manager and seasoned full-stack software engineer with 13 years of experience building mobile enterprise apps and developer tools from Saxony-Anhalt, Germany. He leads mobile projects at MHP – A Porsche Company, delivering SAP BTP SDK for iOS solutions with ABAP backends while also running his own studio, nerdish by nature. A prolific open-source contributor, Piet has improved major communities and tooling—contributions include feature work in OctoKit for Objective-C and Swift, CocoaPods CLI enhancements, libgit2 Objective-C bindings, and iOS snapshot testing improvements. His hands-on expertise spans native iOS development, core Git operations, CLI tooling, and test automation, reflecting both backend and mobile depth. Notably, his work often bridges pragmatic engineering and developer experience—adding APIs, objects, and tests that make libraries easier to use and maintain.
13 years of coding experience
German, English
Github Skills (36)
dependency-manager10
unit-testing10
objective-c10
git10
octokit10
libgit210
ios10
operation10
apidoc10
api-client10
testing10
command-line-interface10
networking10
mergetool10
xctest10
Programming languages (11)
Github contributions (5)
nerdishbynature/octokit.swift
Jan 2015 - Dec 2022
A Swift API Client for GitHub and GitHub Enterprise
Role in this project:
Back-end Developer
Back-end DeveloperContributions:30 releases, 70 reviews, 315 commits in 8 years
Contributions summary:Piet contributed to the core functionality of the Octokit Swift project. They implemented the ability to fetch and read user and authenticated user information, adding essential API client features. Their work involved modifying the core Octokit.swift and Example/OctokitSwiftTests/OctokitSwiftTests.swift files to add new methods. The user also refactored and reorganized configurations.
api-clientoauth-flowapiswiftoctokit
xcpretty/xcode-install
Apr 2015 - Jun 2020
🔽 Install and update your Xcodes
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:9 commits, 4 PRs, 2 comments in 5 years 2 months
Contributions summary:Piet primarily contributed to improving the testing infrastructure within the repository. Their work involved adding and modifying test configurations and dependencies, specifically including user credentials for testing purposes. Further, they updated test suites to reflect code changes, and implemented and maintained test cases to confirm functionality. This suggests a focus on ensuring the reliability and accuracy of the project through automated testing.
macosupdatexcode
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