Skip to content
Andreja Zubac

Projects

Selected work

Products I have built or contributed to, from consumer banking and point-of-sale to Bluetooth-connected fitness, trail-camera and public-service apps. Filter by technology and open any project for its case study.

11 projects

  • Mobile app

    2026

    Trumia

    A consumer mobile banking app in Flutter: KYC onboarding, card issuing, SEPA/SWIFT payments and passkey authentication.

    • Flutter
    • Dart
    • +7
  • Live

    Orion Innovation · 2025 – 2026

    Command Pro

    An app with millions of active users for managing cellular trail cameras, including Bluetooth LE configuration of field devices.

    • Flutter
    • Dart
    • +5
  • Live

    Abstract · 2022 – 2024

    Pošta Srbije

    The mobile app of Serbia's national postal operator, built in Jetpack Compose with an existing XML wallet integrated through interoperability.

    • Kotlin
    • Jetpack Compose
    • +5
  • Live

    Rolla · 2024 – 2025

    Rolla One

    A health and fitness app with real-time activity tracking over Bluetooth LE wearables, gym sensors and GPS.

    • Flutter
    • Dart
    • +5
  • Mobile app
    Live

    Abstract · 2022 – 2024

    SOS za gluve

    A video relay app for deaf and hard-of-hearing people: live video calls with a Serbian Sign Language interpreter who relays the conversation by phone.

    • Android
    • XML views
    • +4
  • Mobile app

    POSSector · 2025 – 2026

    POSSector

    A hospitality point-of-sale app on mobile and desktop with card payments, bill splitting and multi-device sync.

    • Flutter
    • Flutter desktop
    • +5
  • Mobile app

    Abstract · 2022 – 2024

    Rent A Garden

    Garden plot listings, search and booking: a Flutter mini-app inside a Smart City super app in Slovenia.

    • Flutter
    • Dart
    • +2
  • Mobile app

    Abstract · 2022 – 2024

    Cyber Awareness Courses

    A learning app with authentication and security-awareness courses that teach people to recognise and defend against cyber attacks.

    • Flutter
    • Dart
    • +2
  • Live

    Dib Travel · 2019 – 2022

    DiB Travel

    A business-travel booking platform: an Angular web app for flights, hotels, rail, bus and cars, plus a mobile app for travel bookings.

    • Angular
    • Android
    • +1
  • Embedded system

    Anti-Theft Alarm System

    A multi-zone security system on a PIC18F45K22 microcontroller, with hand-soldered sensors, keypad, LCD and siren.

    • PIC18F45K22
    • mikroC
    • +3
  • Machine learning
    Open source

    Neural Network from Scratch

    A neural network with backpropagation and sigmoid activation, implemented in Java without external libraries.

    • Java