Gergely Korossy
Android, Kotlin Multiplatform, Compose Multiplatform developer
I'm a passionate Android engineer with nearly ten years of experience designing, developing, and maintaining high-performing mobile applications. I have a deep understanding of the Android development landscape and a proven ability to deliver innovative solutions. I also enjoy mentoring other developers.

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

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