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Πάντα χωρεῖ καὶ οὐδὲν μένει
(“Pánta chorei kaì oudèn ménei”)
“Everything flows and nothing stays.”
Heraclitus

No sentence describes my job better. No technology is set in stone: today’s hype is tomorrow’s legacy. Being a developer means keeping at it – curious, eager to learn, never done. That’s exactly what makes it exciting.

About me

I’m Helge Ohl, a full-stack developer from Hamburg, Germany. Since 1998 I have worked in various positions in web development – from frontend and backend all the way to iOS apps.

Technologies

Here is an overview of the technologies I have used in various projects:

AI & LLMs: Claude, OpenAI, Gemini, Ollama

Frontend: HTML5, CSS3, JavaScript, jQuery, node.js, Bootstrap

Backend & CMS: PHP, Symfony, ImageMagick, MySQL, OOP, MVC, DDD, OpenText, Typo3, Typo3 Extensions, ExtBase, Fluid, WordPress

Email & Delivery: Mailsolution, Episerver, Promio, Beyond

Mobile & Native: Cocoa, Objective-C, Swift

Design, 3D & Video: Photoshop, Premiere, After Effects, Blender, Cinema 4D, GarageBand, Logic

DevOps & System: Virtual Box, Vagrant, bash, Windows, Gentoo, OSX

Used in the past: Flash, Actionscript 3.0, Director, Lingo, Softimage XSI

Apps

LOOPBAR App-Icon
LOOPBAR
iOS · Music
Record audio loops right on your iPhone and layer them on top of each other.
watchOracle App-Icon
watchOracle
iOS & Apple Watch · Lifestyle
A little oracle for your wrist: tap a button and get a random answer to your question.
The Flower of Love App-Icon
The Flower of Love
iOS · Entertainment
The digital version of “He loves me, he loves me not” – pluck the petals and test your compatibility.
A 4 Action Memorizer Kids App-Icon
A 4 Action Memorizer Kids
iOS · Games
A reaction and memory game: tap the matching pictures before time runs out and make your way through the levels.
Path Jumper App-Icon
Path Jumper
macOS · Utilities
Shows the current Finder path in the menu bar – copy it and navigate there in no time.
Image Tailor App-Icon
Image Tailor
macOS · Graphics & Design
An image editor for macOS that creates app icons for iOS, iPadOS, macOS and watchOS – with a layer-based canvas.
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