Experience
2024 - Present
Senior Android developer
—
Compose, Kotlin Multiplatform, Ktor, Firebase
Pulselive
I've developed features for the Premier League's new Android app, leveraging
Kotlin Multiplatform to share code across platforms. My work focused on
building user interfaces using Jetpack Compose, contributing to a seamless and
engaging fan experience, and creating new core features such as remote syncing,
local data storage, parsing JSON data and more.
2022 - 2023
Senior Android developer
—
Compose, Google Maps, Firebase, CameraX, Services
Hubstaff
I contributed to the development and release of a new version of the Hubstaff
time tracker application for Android. My work involved using technologies like
Kotlin, Jetpack Compose, Google Maps, Firebase Cloud Messaging, CameraX, and
foreground services to create a polished and user-friendly experience.
2017 - 2021
Senior Android developer
—
Compose, Firebase, CameraX, NFC, ExoPlayer
HelloPay Zrt.
I developed a range of Android applications using Java and Kotlin, including a
POS kiosk, restaurant system, NFC card handler, and QR code voucher redeemer
with CameraX and ML Kit integration. Additionally, I built web applications
using React, Spring Boot, and PostgreSQL.
2015 - 2019
Co-founder & Developer
—
Java, SQLite, PHP, AWS
Edukado Publishing Ltd.
As a founding member of a startup focused on digital textbook publishing, I led
the design and development of the Android application using Java, Fragments, and
SQLite. I also built the backend solution using PHP, MariaDB, and AWS,
contributing to all aspects of the product's technical development.
2012 - 2014
Android developer
—
Java, Fragments, WebView
AutSoft Kft.
I developed an Android digital history magazine app optimized for both phones
and tablets. Additionally, I created an Android application for an insurance
company, leveraging Java, Fragments, and custom WebView solutions that would
allow shared code to run on Android and iOS devices.
Education
2014 - 2017
Master's in Software Engineering
Budapest University of Technology and Economics
2009 - 2014
Bachelor's in Computer Science
Budapest University of Technology and Economics
Contact
Budapest, Hungary
Contact me
korossy.me
medium.com/@gregkorossy
github.com/gregkorossy
linkedin.com/in/korossyg
stackoverflow.com
Skills
Kotlin, Android, Jetpack Compose, Coroutines, Flows, Ktor, MVVM, Room, Datastore,
Kotlin Multiplatform, Compose Multiplatform, Retrofit, Firebase, SQLite,
Clean Architecture
Other skills
Java, RxJava, CameraX, ML Kit, NFC, Bluetooth, Fragments, Material Design, Android
Studio, JSON,
Version Control (Git), JIRA, HTML, Javascript, CSS, PHP, SQL, Spring Boot
Interests
brick
collecting LEGO
movie
watching movies
travel_explore
traveling
videogame_asset
playing video games