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Gustav Lübker

Software Developer

Over the years, I’ve launched numerous apps on the iOS and macOS App Store, along with various games showcased at illusionarygames.com.

Who am I?

Gustav Lübker is a Software Developer with a passion for macOS and iOS app development, with several apps launched on the App Store. I first explored programming through game development, where I’ve released numerous games on illusionarygames.com and still do. However, building apps and working on other software and tools is where I found my true passion.

While app development remains my core expertise, I still dive into game development when inspiration strikes. My work is driven by a strong desire to always make the best possible product, focusing on simplicity, performance, and the small details that make a big difference to users.

My Skills

From building intuitive apps, creating engaging games, to even designing my own game console, here’s a breakdown of some of my skills and tools.

And of course, I can manage my own projects, collaborate with others, and get stuff done.

App Development

  • Swift, SwiftUI (Primary Language)
  • Xcode
  • Flutter

Other Languages & Tools

  • C++
  • Python
  • React
  • Git & Source Control

Game Development

  • Unity
  • C#
  • Godot 4
  • Game Design Principles

Work Experience

A brief overview of my professional journey and contributions in the industry.

Software Developer at ABB

2023 - Present

  • Developed Talent Program Mobile App.

  • Developed SafeCheck iPad App.

  • Developed ZeroHero iPad App

Software Developer at 4Power

2022 - Present

  • Developed 4Power Portal Website and app.

  • Developed 4Power SPA Control Website and app.

  • Contributed to other smaller tasks and projects

Projects

A collection of all of my projects I've developed over the years, both commercially and personally.


ABB Talent Program

iPhone and Android App for ABB's Talent Program

While working at ABB, I was tasked to design and develop an app for ABB's talent program that includes a timeline over all the events and details of the talent program managed by the leaders as well as social media style communication and posts between participants.

2024

Commercial Mobile App
FlutterPHP Backend
View Project
ABB Talent Program

DockFix

My second macOS app, DockFix, allows users to easily customize their macOS Dock with settings typically hidden behind hard-to-remember terminal commands. This app provides a simple graphical interface to unlock and reveal these hidden settings, enabling users to tailor their Dock’s behavior and appearance to match their unique preferences—all without needing to touch the command line.

2024

Personal macOS APP
SwiftUI
View Project
ABB Talent Program

4Power Portal Website & App

For 4Power, I was tasked with redesigning and developing a new website to manage and control their Electricity Saver devices. The platform included smart features that allowed users to automate device control based on a variety of conditions, including weather temperatures, real-time electricity prices, and the time of day.

2024

Commercial Web Development
ReactAPI Integrations
View Project
ABB Talent Program

4Power SPA Control Website & App

I've also developed the 4Power SPA Control website and mobile app for controlling their 4Power SPA devices with smart energy saving functions. Similarly to the 4Power Portal, I developed the website in React and used Flutter and SwiftUI to develop the mobile app containing a web view.

2024

Commercial Web Development
ReactAPI Integrations
View Project
ABB Talent Program

School Library Website

During high school, I created a website for my school’s library as part of a Service As Action project. The site featured a homepage where the librarian could share updates, post events, and upload photos for students and parents to view. Additionally, I developed a form that allowed students to sign up for quiet reading sessions, which automatically sent email notifications to teachers for verification.

2024

Service As Action Web Development
HTML CSS JavaScript PHP Backend
View Project
ABB Talent Program

Watchmaker Website

This is a commercial website I developed for a watchmaker to manage and organize his watch calibers and spare parts. The platform allows him to efficiently filter and match compatible components. The entire website was built using PHP with a MySQL database and styled with TailwindCSS.

2024

Commercial Web Development
HTMLCSSJavaScriptPHP Backend
View Project
ABB Talent Program

CodeSnippy

Your go-to tool for effortlessly and quickly organizing code snippets is our app. CodeSnippy was developed with passion to make sure your snippets are always accessible and ready to increase productivity. We know you love to copy and paste, so we've made it easy and quick for you to access and use your snippets with our user-friendly interface and wide language support, enabling you to code more efficiently.

2024

Personal macOS APP
SwiftUI
View Project
ABB Talent Program

Temp-Tech

In late 2024, I was commissioned by Temp-Tech, a company specializing in cooling systems and heat pumps, to redesign their website. The project involved creating a modern, user-friendly design and integrating additional functionalities, such as multi-language support, to enhance the user experience and align with their needs.

2024

Commercial Web Development
HTML TailwindCSS PHP
View Project
ABB Talent Program

ZeroHero iPad app for ABB

In 2023, as my first official project at ABB, I developed ZeroHero, a game-like simulation app used to train new interns by demonstrating the complexity of managing an energy grid manually. The simulation involved controlling the timing and output of various resources like heat pumps, biomass systems, and electric boilers while minimizing costs. With a built-in leaderboard, it offers a practical, fun, and challenging real-world simulation of energy management.

2023

Commercial iPad App
SwiftUIPHP Backend
View Project

And if you are interested in seeing all of my games, visit illusionarygames.com