Marian

Marian Mandziuk
[відкрити контакти](див. вище в блоці «контактна інформація»)
skype: maryan.mandziuk
[відкрити контакти](див. вище в блоці «контактна інформація»)
Objective:
Obtain a position as a Software Engineer
Skills:
Java, OOP, SQL, Dart, Flutter, REST, Spring Boot, Spring Data JPA, HTML, Git.

Experience:
N-Back app (Flutter/Dart) 2024
Project: Mobile application designed to improve cognitive skills through n-back exercises.
Responsibilities:
• Designed and developed functionality of the app, including state management using
Provider and persistent data storage with Isar and SharedPreferences
• Integrated Crashlytics for monitoring and resolving runtime errors.
• Implemented subscription features and integrated RevenueCat for subscription
management.
• Provided app accessibility and smooth functionality across a wide range of device sizes.
• Prepared the app for release and published it on Google Play Market.
Technologies: Flutter, Dart, RevenueCat, Provider, Crashlytics, Isar , SharedPreferences.
Tools: Visual Studio Code, Git.

EPAM Systems 2021 — 2023
Project - Platform for providing financial services
Responsibility:
• Migration to Auth0 authentication implementation.
• Performance optimization: review SQL queries
• Utilized DataDog and Kibana for performance analysis and issue resolution
• Wrote Azure ADO pipeline scripts and integrated with SonarQube
• Developed UI of profile screens for managing and processing profile info.
• Investigated codebase to improve code quality and test coverage
• Provided changes and developed new features in the backend and frontend
• Bugs fixing
Technologies: Java 8, JAX-RS, PostgreSQL, Redis, Swagger, jUnit, Javascript, Typescript,
AngularJS, HTML, CSS.
Tools: IntelliJ IDEA, Visual Studio Code, Git, Microsoft ADO, Postman, Datadog, Kibana,
SonarQube, Lucidchart.
freelance projects 2017 — 2020
• Developed UI parts of image manipulation and annotation tool
• Reused and developed ui components for skills assistans AI tool, providing statistics on
skills diversity.
• Conducted a PoC for visualizing the direction of rotation of a circular object in a 2D
projection.

Halych National Park 2015 — 2021
Responsibility:
• Managed and maintained IT infrastructure.
• Created and edited content for digital platforms.

Languages:
English – intermediate; Ukrainian — native.

Education:
2011-2014 National Forestry University of Ukraine, specialty "Information Technologies";
2007-2011 Technological College of the National University "Lviv Polytechnic".