Oliver Drobnik
Head Of Development at Drobnik KG
Kittseee, Burgenland, Austria
Summary
🤩
Rockstar🎓
Top SchoolOliver Drobnik is a seasoned Apple-platform engineer and Head of Development with over 15 years building iOS and macOS apps, running his boutique firm Drobnik KG and serving international clients from Austria. He’s an early entrant to the iOS ecosystem (self-employed since 2009) known for commercial developer components, strong API design, and a popular technical blog that predates many modern Swift resources. Hands-on in Swift, SwiftUI and AI integrations, he combines product-facing SDK work (former Developer Evangelist at ProductLayer) with deep systems experience from Unix administration to billing automation. An active open-source contributor, his backend-focused fixes on projects like DTCoreText and DTFoundation improved HTML/CSS rendering and core utilities relied on by many apps. He enjoys teaching and consulting in English and German, and treats elegant, well-documented code as a craft.
15 years of coding experience
12 years of employment as a software developer
Ingenieur, IT and Organisation, Ingenieur, IT and Organisation at HTL Spengergasse WienBundesrealgynmasium Klosterneuburg
Github Skills (14)
css10
nsl10
styles10
objective-c10
web-framework10
php-framework10
ios10
font-face10
fonts10
html-parsing10
text-rendering10
string-formatting8
string-format8
asn17
Programming languages (13)
Github contributions (5)
Cocoanetics/DTCoreText
Jan 2011 - Jan 2023
Methods to allow using HTML code with CoreText
Role in this project:
Back-end Developer
Back-end DeveloperContributions:28 releases, 2 reviews, 2357 commits in 12 years 2 months
Contributions summary:Oliver primarily focused on code changes related to text rendering, HTML parsing, and CSS stylesheet implementation. They were responsible for fixing bugs related to HTML rendering, enhancing CSS support, and improving text layout. The contributions included implementing support for features like letter-spacing, Unicode characters, and font family inheritance, demonstrating a focus on improving the core text rendering capabilities of the project.
coretext
Cocoanetics/DTFoundation
Nov 2011 - Aug 2021
Standard toolset classes and categories
Role in this project:Back-end Developer
Back-end DeveloperContributions:24 releases, 948 commits, 26 PRs in 9 years 10 months
Contributions summary:Oliver's contributions center on the implementation of a standard toolset classes and categories for iOS applications. Their initial commit involved adding a category extension for NSURL to handle direct access to built-in app functionalities like the App Store. The user added file size formatting to a string, and added the ability to serialize ASN1 objects. Further development included the addition of utilities for working with images.
toolset
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