Oktawian Chojnacki
Wroclaw Metropolitan Area Poland
Summary
🤩
Rockstar🎓
Top SchoolOktawian Chojnacki is a seasoned mobile software engineer with 12 years of experience and an MSc in Computer Science, based in the Wroclaw metropolitan area. He specializes in Swift and mobile architecture, authoring well-documented open-source projects that teach OOD and design patterns in Swift and collectively have attracted over 10,000 GitHub stars. Known for clean, SOLID-driven code, he contributes practical examples and playgrounds that make advanced design concepts accessible to other developers. Comfortable across full-stack mobile concerns, he combines an electronics background with software craftsmanship to solve performance and architectural challenges. Outside of code he’s a specialty coffee enthusiast and avid reader, traits that reflect a thoughtful, detail-oriented approach to engineering.
12 years of coding experience
Master of Science - MS, Computer Science, Master of Science - MS, Computer Science at Politechnika Wrocławska / Wroclaw University of TechnologyBachelor of Engineering - BE, Electronics and Telecommunication, Bachelor of Engineering - BE, Electronics and Telecommunication at PWSZ Kolegium Karkonoskie w Jeleniej Gorze
Polish, English
Stackoverflow
26reputation
2kreached
2answers
0questions
Github Skills (13)
design-patterns10
swift10
playgrounds10
object-oriented-programming10
strategy-pattern9
facade9
computer-science7
byte6
php6
pcx6
testing6
denial-of-service6
performance-testing6
Programming languages (11)
Github contributions (5)
ochococo/Design-Patterns-In-Swift
Jul 2014 - Apr 2021
📖 Design Patterns implemented in Swift 5.0
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:10 reviews, 75 commits, 55 PRs in 6 years 10 months
Contributions summary:Oktawian primarily worked on implementing design patterns in Swift, focusing on both structural and behavioral patterns. They added new patterns like Strategy and Facade, along with example usages within Xcode Playgrounds. The user also made improvements to existing code, including formatting and cleanup, and generated documentation for the patterns.
good-practicescomputer-scienceswiftpatternsswift-5
ochococo/OOD-Principles-In-Swift
Feb 2015 - Nov 2021
💎 The Principles of OOD (SOLID) based on Uncle Bob articles.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:37 commits, 22 PRs, 33 pushes in 6 years 9 months
Contributions summary:Oktawian's primary contribution involved implementing and refining examples of Object-Oriented Design (OOD) principles within a Swift playground. Their commits demonstrate a clear understanding of SOLID principles, specifically Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion. They enhanced the code examples for each principle and ensured the project was well-documented, including adding and updating a playground to showcase the principles.
principlesuncle-bobood-principlesjavascriptliskov-substitution-principle
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