Stefan Galler
Freelance Flutter Expert at Stefan Galler Software Development & Consulting
Styria, Austria
Summary
👤
Senior🎓
Top SchoolStefan Galler is a freelance Flutter expert and founder with 13 years of software development experience, specializing in mobile and web applications with a strong UX focus. He transitioned from Android and Java backend roles—including contributions to the notable open-source Paintroid image app—to leading his own consultancy and the Trexpense startup. Comfortable across full-stack mobile development, UX design, and project coordination, he combines hands-on implementation with product-minded thinking. Educated in software engineering at TU Graz with international study stints, he enjoys experimenting with new technologies and pragmatic solutions. Based in Styria, Austria, Stefan balances client work with ongoing open-source involvement and mentorship.
13 years of coding experience
6 years of employment as a software developer
The University of Western AustraliaComputer Science, Computer Science at Stockholms universitetBachelor of Science (B.Sc.), Softwareentwicklung - Wirtschaft, Bachelor of Science (B.Sc.), Softwareentwicklung - Wirtschaft at Technische Universität GrazMatura, EDV und Organisation, Matura, EDV und Organisation at HTBLA Kaindorf/Sulm
French, German, English, Swedish
Stackoverflow
801reputation
34kreached
38answers
2questions
Github Skills (15)
javas10
android-development10
java10
ui-design9
front-end-development9
uid9
state-management6
error-handling6
exceptions6
flutter-bloc6
dart6
try-catch6
bloc6
firebase6
flutter6
Programming languages (6)
Github contributions (5)
Catrobat/Paintroid
Jul 2012 - Mar 2014
The standard image manipulation app for Catroid.
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:426 commits in 1 year 8 months
Contributions summary:Stefan implemented multiple features and made several design changes in the Paintroid application. They primarily worked on adding new tools such as Flip, and they refactored and redesigned the tools menu. The user also contributed to the addition of new functionalities such as a save dialog for image and camera functionality from Catroid.
manipulationimageimage-manipulationimage-processingthe-standard
stefangaller/spacing_generator
Oct 2023 - Sep 2024
Contributions:12 pushes, 1 branch in 11 months
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