Rohan van Klinken; Aussie software developer & vulnerability researcher; Rock climber; Loves Swift, Rust and Svelte; Creator of SwiftCrossUI, Swift Bundler and Delta Client.

Swift, SwiftUI, .NET MAUI, C# and more from Vaud, Switzerland.

My apps include Kanbann which brings Trello to the Apple Watch, Food Photo Log to help you be more mindful about what you eat and others https://damian.fyi/apps/

Android developer since 2011.
Currently working at ABN Amro in the Netherlands.

I'm a #rust noob, but I keep toying with it for fun.

Ex iOS/Swift/Obj-c/Windows/C#/Visual Basic.

Do complain about things, but be considerate and nice, remember most things are made by human beings.

he/him

AI, Accessibility, Policy,
Elixir, Phoenix, SwiftUI.

💯 personal views 💬

🏡🌳 Eugene, Oregon

Immigrant 🇧🇪 🇺🇸

“There is a crack in everything, that’s how the light gets in.” — Leonard Cohen

Mostly Harmless. Programmer for Text Processing and Aerospace. Python/Swift/LaTeX/XML. Interrobang‽ Toki Pona. Linksgrün-versifft. Failed aspiring highly paid stunt linguist. Makes Hexer.app and Stempel. he/him 🇩🇪🇪🇺🇺🇳🌍

Full time traveler, ex-designer at Twitch. Love tech, video games, travel, photography, design, and prototyping. Aspiring indie app maker learning SwiftUI by making a little app called Remainders.

CTO/CIO and senior #iOS and #macOS developer using #Swift @ ser.soft GmbH (sersoft.de).

Hi! I’m a designer (visual, interaction) and developer (web, React, some Swift). He/him.

When I’m not working, I’m playing video games, learning something cool, or tinkering with hobby projects. Log on and check out my rad e-posts

iOS Dev loving the Apple walled Garden. Team generator, Agile Transition Guide, Org. Change catalyst, telemark skier, boat builder, sailor, etc. Human

https://linktr.ee/davidkoontz

Teaching programming (fundamentals, data structures and algorithms, GUI programming) in university. Formerly did also training for companies as a freelancer. Programming for myself and fun. C/C++, Java, Swift and SwiftUI. Drawing and painting, running and cycling. Father & grandfather.

Header pic: Lake Oulu, forest across the water on a sunny evening in August.

Person (he/him).

I make an iOS App with pixels.

Desserts and Ice Cream. Software for life. Java, Swift. Bunnies. I like big books and I cannot lie. Real podcasts. Clash Royale. Overwatch. Chess. Rain noises. ❤️Squishy. Mainz Saar Sachsen Magyarország.

📱iOS Developer (Swift/SwiftUI)

🏃🏻‍♂️ Fitness enthusiast: runner, walker, core, strength

❤️ Married to the love of my life

By Then: weight gain/loss calculator for iOS - https://apps.apple.com/gb/app/by-then/id6748918554

PocketPB: fitness planner for iPhone, currently a few spaces left in the open beta - https://testflight.apple.com/join/dZ5cp9cU

#YNWA ❤️ #JFT97 💔

Autistic, recently diagnosed (late 2025), currently navigating/processing this.

My posts auto delete after three months

Theatre lighting designer and educator from Kamberri/Canberra, Australia. Now living in London.

I teach and research #LightingDesign at RADA in London. I am a #PhD researcher at the #UniversityOfYork, researching #dramaturgy and lighting design. #UoY

I make iOS apps to fix problems I have, using #swift.

swift, jokes, swiftUI, makin’ apps / 

Writing #SwiftUI to buy 📚
(Header image: Wooden Trojan horse at Sea Life in Munich)

Software tinkerer ✦ Building carefully crafted Swift and SwiftUI apps

iOS/macOS/Swift Software Engineer, science nerd. tinkerer.

Apple Entrepreneur Camp Alumni, Betaworks - Live Camp Alum

Founder: Chunk: AI Search Assistant & Curious.ai

Former: Tapcart, Culture Genesis, STEEZY

tvOS SwiftUI at 
Prev. Design Systems at Audible

I speak only for myself and not for any past, present, or future employers.

Runs 🗓️ https://pickadayapp.com and 🍽️ https://cicolatorapp.com. Building with #Laravel #Statamic #CraftCMS, #SwiftUI, and more.

👨‍💻 iOS Developer 🇩🇪 Dad & Husband 👨‍👩‍👧
#iOSDev #Swift #SwiftUI #HomeKit #Smarthome #KNX

Product Engineer/Builder | Engineering Manager | iOS • Swift • SwiftUI | Indie Dev: Glu Sight • CreatorCaps • MIRA • Glyppo | Available for contract work