Віталій

VITALII KOROVAI
Android Software Engineer
SUMMARY
• Software Engineer with 10+ years of commercial experience, including 3 years focused on Android development.
• Strong background in full-stack development, system design, API integration, and refactoring of large-scale applications.
• Experienced in Kotlin, Java, Android SDK, REST architecture, and building production mobile applications.
SKILLS
Android / Mobile: Kotlin, Java, Android SDK, MVVM, Room, Retrofit, DataBinding, Firebase, Gradle, ArcGIS SDK
Databases: PostgreSQL, MySQL, Oracle SQL, ArangoDB
Tools & DevOps: Git, SVN, Jira, Maven, Gradle, CircleCI (basic), Linux (Ubuntu), Windows
Testing: JUnit
Other: JavaScript (ES6), NodeJS, JSP, JDBC, PHP (Laravel), ReactJS, Redux, Ember, jQuery, Highcharts, D3.js, JavaFX, PDF processing libraries, Sensor APIs

EXPERIENCE

AMC Bridge
Android Software Engineer
02/2021 – 02/2026

Project: Android E-Ticketing System
Enterprise Android application for construction logistics and digital ticket management.
Maintain suite of Android applications for digital ticketing and logistics tracking.

Responsibilities & Achievements:
• Rebuilt and optimized application architecture for performance and maintainability
• Implemented digital ticketing workflows (creation, signing, status tracking)
• Integrated ArcGIS SDK for geospatial visualization of routes and construction sites
• Developed REST-based synchronization layer with backend services
• Introduced unit and integration testing (JUnit)
• Collaborated with backend and UX teams to improve system consistency
• Refactored legacy Android codebase into modern architecture
Tech stack: Kotlin, Java, Android SDK, RxJava, Coroutines, MVVM, Retrofit, Room, Firebase, ArcGIS SDK, Gradle, RESTfull API, JUnit

Project: Technical Data Package Processing System
Enterprise desktop system for managing technical documentation and CAD-based workflows.

Responsibilities:
• Feature development and bug fixing
• System stabilization and performance improvements

Tech stack: Java, JavaFX, Hoops Exchange, SQL

MindK
Software Engineer (Full-stack / Mobile exposure)
01/2020 – 06/2020

Project: BalanceBoard
Multi-domain product involving Android, backend, and web components
Application for task estimation and sensor-based data processing.

Responsibilities & Achievements:
• Developed Android module for sensor data collection (SensorTag API, Android Sensors API)
• Implemented game logic using AndEngine
• Built web components using Laravel and Ember
• Integrated analytics and visualization dashboards
• Participated in feature development and bug fixing
Tech stack: Android SDK, Java, PHP, JavaScript (ES6), NodeJS, Laravel, Ember, MySQL, Sensor APIs

Frontend Developer
11/2018 – 01/2020

Project: Smartlands
Financial web application.
Responsibilities:
• Implemented UI features using React and Redux
• Integrated external APIs (Stellar API)
• Refactored and optimized frontend performance
Tech stack: ReactJS, Redux, JavaScript (ES6), NodeJS, Git

Full-stack Developer
11/2015 – 11/2018

Multiple enterprise systems.
Project: Nevaal
• Feature development and system optimization
• API integration and bug fixing
Project: Converze
• Built PDF parsing engine based on specification
• Implemented data extraction and integration pipelines
• Worked with third-party APIs and data reconciliation
Project: Fiatu
• Integrated OPC server for industrial data exchange
• Backend and frontend feature development
Project: Choo I Skyen
• Payment integration (Stripe, PayEx)
• Backend feature implementation
Tech stack: PHP, JavaScript, Laravel, Ember, ReactJS, Redux, AdonisJS, PostgreSQL, ArangoDB, RabbitMQ, AWS S3

Netcracker
Technical Support Engineer / Java Developer
03/2013 – 09/2015

Project: Swisscom
Enterprise telecom systems.

Responsibilities:
• Java EE development
• PL/SQL development
• Production issue analysis and bug fixing

Tech stack: Java EE, JSP, JDBC, Oracle SQL, PL/SQL, SVN

EDUCATION
Sumy State Pedagogical University
Master of Computer Science Education — 2023
Sumy State University
Bachelor of Information Technology — 2016