Leszek Ślażynski
Software Engineer at Apple
Zurich, Zurich, Switzerland
Summary
🤩
Rockstar🎓
Top SchoolLeszek Ślażynski is a software engineer with 15 years of experience focused on mobile application development, GPU computing, 3D graphics, and functional programming, currently working at Apple in Zurich. He previously built scalable systems at Google and shipped mobile products at one2tribe, combining strong industry experience with academic training from the University of Warsaw and Vrije Universiteit Amsterdam. His open-source work includes implementing an observable/reactive foundation for Swift, demonstrating a knack for designing clean core abstractions and operator chains. Comfortable across low-level GPU/graphics work and high-level app architectures, he brings both systems thinking and practical shipping experience to complex engineering problems. An adventurous stint as a traveler between roles hints at a curious, adaptable approach to learning and problem solving.
15 years of coding experience
8 years of employment as a software developer
Master of Science (MSc), Master of Science (MSc) at Vrije Universiteit AmsterdamMaster of Science (MSc), Master of Science (MSc) at University of Warsaw
English, Polish
Github Skills (6)
data-structures10
swift10
data-structure10
algorithms8
ios6
macos6
Programming languages (1)
Github contributions (5)
slazyk/Observable-Swift
Jun 2014 - Mar 2017
KVO for Swift - Value Observing and Events
Role in this project:
Back-end Developer
Back-end DeveloperContributions:57 commits, 9 PRs, 13 pushes in 2 years 9 months
Contributions summary:Leszek primarily focused on implementing core features for the `observable-swift` repository. They introduced the initial implementation of observables in Swift, including `Observable`, `ObserverCollection`, and `Event` types. The user also added support for chaining observables, and implemented operators and helper functions to enhance the functionality. Overall, the user was responsible for building the foundation of the observable system.
eventsswiftkvoobserving
slazyk/SINQ
Jun 2014 - Mar 2017
LINQ for Swift - Swift Integrated Query
Contributions:42 commits, 4 PRs, 13 pushes in 2 years 9 months
querylinqswiftintegrated
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