Felix Tröbinger

Android developer based in Linz, Austria. I build and maintain core features, the app's design system, and CI/CD pipelines at Tractive, and spend my free time on side projects and homelab tinkering.

Felix Tröbinger
GitHub LinkedIn Contact

01 Experience

Tractive GmbH

Android Developer

June 2021 – Present

Native Android development at a pet tech company with 1M+ Android app downloads and 1.5M+ total customers (team of 4–8, company of ~300).

  • Development and full ownership of core app features using Jetpack Compose
  • Owner of the Android team’s Jetpack Compose Design System
  • Implemented advanced animations in Jetpack Compose
  • Technical owner of full-stack implementation of App Links as a Firebase Dynamic Link replacement
  • Owner of Android team’s CI/CD system and build automations (Jenkins)
  • Maintained team dedicated Linux server for build infrastructure and services
  • Created automations for weekly releases with minimal manual work
  • Created and owned extensive custom tools and automations for Jira and Bitbucket used across multiple teams and automations
  • Built custom dashboard for build metrics to monitor infrastructure and changes over time
  • Implemented screenshot / snapshot testing automations from ground up
  • Extended Jira UI and functionality with Atlassian Forge
Kotlin Android Jetpack Compose CI/CD Firebase Atlassian

AXAVIA Software GmbH

Mobile App Developer

Feb 2020 – May 2021

Cross-platform mobile development for enterprise ERP/project management software.

  • iOS, Android, and Desktop development using Xamarin.Forms as only Mobile developer
  • Client-side implementation of Calendar and Inventory features among others
Android iOS Xamarin.Forms C#

02 Education

University of Applied Sciences Upper Austria

BSc Mobile Computing — FH Hagenberg

2018 – 2021

Focus areas: Java, Software Development, Android and iOS/Swift, Signal Processing.

03 Technologies

Primary

Kotlin Android Jetpack Compose KMP / CMP CI/CD DevOps

Android Libraries & Testing

Flow, Coroutines Robolectric, Paparazzi MVVM Mockk Screenshotbot Hilt, Dagger Multi-Module Gradle

AI Tools

Claude Code OpenAI Codex

Tools & Infrastructure

Linux Docker Jenkins GitLab CI Bash Scripting Ansible Tailscale

Other

Flutter / Dart iOS / Swift Java Figma

04 Projects

MaTeX

MaTeX

maintenance mode

Markdown to LaTeX text editor for Android. Convert plain text to a customizable LaTeX PDF with one tap.

Android Backend
View on Play Store →
Homelab

Homelab

Self-hosted media and personal tools running across multiple machines, used by family and friends. Built around privacy and hands-on learning.

Docker Networking Linux

Anytype Notifications

Open source service that sends notifications for tasks in Anytype. Built out of personal need.

Kotlin Docker
GitHub → Blog post →

05 Languages

German

Native

English

C1

Spanish

A2/B1

06 Beyond Code

High Altitude Mountaineering

Highest peak: 7,134m

Guitar

Fingerstyle Acoustic & Electric

Travel

findpenguins.com →

Cats

🐈 🐈‍⬛ 🐈‍⬛