Marat

JAVA PROJECT HISTORY
Latest

Wave
Wave is a music-based social matching
app that helps users discover
MARAT TSASIUK
JAVA DEVELOPER
compatible people through shared
Java Backend Developer focused on building Spring Boot
music tastes using complex algorithms applications with REST APIs, PostgreSQL, JPA/Hibernate, Flyway
Nextbank connect and Docker. Computer Science graduate with a strong foundation
Banking System. Spring web
application that includes RESTful API,
in algorithms, data structures and problem solving, supported by
password hashing, ORMs and more. experience in technical documentation and code review. Interested
Feedback collection system in contributing to backend development through reliable API
Java Spring project that allows various implementation, database-driven features and well-tested services.
aspects of rating, convenient review of
feedback and data analysis for
administrators.

Work Experience
More projects can be viewed here.
05.2024 - 04.2026
[відкрити контакти](див. вище в блоці «контактна інформація»)
AI DATA ANNOTATOR (Near Protocol)
[відкрити контакти](див. вище в блоці «контактна інформація») Collaborated with a network of competitive
programmers to solve complex problems, contributing
Lublin, Poland
to a large dataset to develop machine learning models
https://github.com/xload1
[відкрити контакти](див. вище в блоці «контактна інформація»)
in programming. Solved, documented, reviewed and
tsasiuk-90668b25b/ debugged 1000+ advanced coding challenges.

EDUCATION
SKILLSET OVERVIEW
HIGH SCHOOL DIPLOMA
Languages:
Khmelnitsiy Liceum 17, Ukraine
Java
(math specialization) SQL (PostgreSQL, MySQL)
HTML, CSS, JavaScript
BACHELOR (COMPUTER SCIENCE) C++
Wyższa Szkoła Przedsiębiorczości i Frameworks:
Administracji w Lublinie (2022 - 2025) Spring (MVC, Boot, Web, Security, Data JPA, Test)
Hibernate
Technologies:
RESTful APIs
LANGUAGES ORM (Hibernate, Spring Data JPA)
Maven/Gradle
English - C1 Git
Ukrainian Docker
Russian
DB migration (Flyway)
Methodologies:
Polish
Agile (Scrum, Kanban)
Waterfall
SOLID principles
Other:
Advanced Algorithms & Data Structures
Design Patterns
HTTP & Servlets
Thymeleaf
Unit, Integration Testing
Testcontainers
CI/CD

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the purposes of the recruitment process.