Kilian Koeltzsch
Senior Software Engineer at Wandelbots
Dresden, Saxony, Germany
Summary
🤩
Rockstar🎓
Top SchoolKilian Koeltzsch is a Senior Software Engineer based in Dresden with 13 years of experience building iOS clients and backend systems, currently developing robotics software at Wandelbots. He blends deep Swift expertise—contributing to the Swift Package Manager’s PubGrub resolver and adding Swift frameworks to the widely referenced web-frameworks benchmark—with product-focused mobile development at companies like Beeper and HaCon. Comfortable across client and server boundaries, he’s shipped dependency resolution logic, CLI tooling, and example servers for Vapor, Perfect, and Kitura. His work shows a mix of rigorous engineering (strong testing and API design) and practical integration skills that bridge research-grade tooling and production apps. Outside of core product work he stays engaged with public transport and instant messaging domains and experiments with robots, reflecting a pragmatic curiosity that drives cross-disciplinary solutions.
13 years of coding experience
1 year of employment as a software developer
Bachelor of Science (BS), Bachelor of Science (BS) at Hochschule für Technik und Wirtschaft Dresden (HTW Dresden)Bachelor of Engineering (BE), Bachelor of Engineering (BE) at Technische Universität Dresden
German, English
Stackoverflow
2,232reputation
157kreached
13answers
34questions
Github Skills (23)
algorithm10
algorithms10
benchmark10
back-end-development10
kitura10
benchmarking10
vapor10
data-structure10
data-structures10
web-framework10
swift10
package-manager10
backend10
dependency-resolution10
testing9
Programming languages (28)
Github contributions (5)
swiftlang/swift-package-manager
Nov 2018 - Mar 2019
The Package Manager for the Swift Programming Language
Role in this project:
Back-end Developer
Back-end DeveloperContributions:37 commits, 24 PRs, 1 push in 4 months
Contributions summary:Kilian primarily contributed to the development of the Pubgrub dependency resolver within the Swift Package Manager. Their work involved foundational implementation, including necessary types and API design. The user implemented CLI options for the Pubgrub resolver and performed various improvements and fixes, including normalization, conflict resolution, and branch-based dependency support. This developer also improved testing of the resolver.
swift-programming-languagepackage-managerswiftpmswift-programmingswift
the-benchmarker/web-frameworks
May 2017 - May 2017
Which is the fastest web framework?
Role in this project:Backend Developer
Backend DeveloperContributions:16 commits, 3 PRs, 14 comments in 2 days
Contributions summary:Kilian focused on adding support for various Swift web frameworks to the benchmark project. They added example servers using Vapor, Perfect, and Kitura, including the necessary `Package.swift` files for dependency management. Further contributions included modifying the benchmark configuration to incorporate the new Swift frameworks and updating the Vapor version. Their work expanded the project's scope to include Swift-based web frameworks.
benchmarkingframeworkfastestmeasurementbenchmark
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