Працював в 3 компаніях   2 роки 9 місяців

IT

Java Developer

Intellias

IT

11 місяців

04.2025 - до теперішнього часу

Worked on projects using Java 21+ and Spring Boot 3+ with PostgreSQL. Contributed to system modernization and development of new functionality, including:
• Migrating the project to Java 21 and upgrading to a newer version of Spring Boot.
• Designing and implementing REST APIs for core business features.
• Writing unit and integration tests to ensure high code quality and reliability.
• Implementing interaction with other microservices within a distributed architecture.
• Working with Azure-based infrastructure, including deployment and environment configuration.
• Integrating with SAP system using SOAP-based communication protocols.
• Designing and implementing a universal document generation module with support for multiple templates and formats, including conversion of generated documents to PDF.
Provided support for ongoing development, participated in code reviews, bug fixing and contributed to improving overall maintainability and scalability of the system.

Java Developer

Pet-projects

IT

2 роки 9 місяців

06.2023 - до теперішнього часу

•Back-end solution developed for students and teachers to manage the educational process with the integration of Github API.

•Library service for the universities to simplify searching learning materials.

•Multiplayer online word-guessing game, where players take turns creating and solving puzzles.

•Blockchain-based housing rental platform using TON blockchain and Telegram mini-apps for secure transactions and contract management.

Java Developer

TheRaven

IT

1 рік 5 місяців

12.2023 - 04.2025

Worked on projects written in Java 17+ and Spring Boot 3+.

Contributed to the development of new functionality for mainproject, including:

• Designing and implementing REST APIs.

• Integrating the application with AWS services and others.

• Enhancing database performance by optimizing queries.

• Developing a decision-making system for monetizationstrategies.

• Implementing features to interact with mining pools.

• Collecting and providing statistical data for dashboard.

Played a key role in developing a blockchain-based bettingplatform:

• Utilized smart contracts on the TON blockchain to ensuretransparency and secure transactions.

• Delivered a solution for real-time betting operations.

Provided occasional technical support, resolving user issues andmaintaining system stability.

Ключова інформація

  • Java 8+, Spring Framework
  • Object-oriented programming (OOP)
  • Http and WebSocket
  • REST and Microservices
  • SQL and Relational Databases
  • Unit testing frameworks (JUnit, Mockito, WireMock)
  • Algorithms and Data Structures
  • Version control with Git
  • Maven, Gradle build tool
  • Docker
  • Kafka
  • Redis
  • AWS, Microsoft Azure

Навчався в 2 закладах

Національний технічний університет України «Київський політехнічний інститут імені Ігоря Сікорського»

Факультет інформатики та обчислювальної техніки

2025

Национальный технический университет Украины «Киевский политехнический институт имени Игоря Сикорского»

Факультет інформатики та обчислювальної техніки

Киев, 2023

Володіє мовами

Англійська

вище середнього

Українська

рідна

Додаткова інформація

Свій розділ

Java Developer with 2+ years of commercial experience, focused on building reliable, maintainable, and scalable backend solutions. I continuously strive for professional growth, enjoy working in collaborative teams, and actively explore new technologies and approaches to apply them in real-world projects.
I consider myself a responsible and goal-oriented professional who feels confident in fast-paced environments and adapts quickly to new challenges. Teamwork is important to me — I am always ready to support colleagues and contribute to achieving shared goals. I strongly believe that no challenge is impossible, and I approach problem-solving with persistence and a positive mindset. Quality and attention to detail are key priorities in my work throughout the entire development process.
Professional Experience
Java Developer | TheRaven (Dec 2023 – Apr 2025)
Worked with Java 17+ and Spring Boot 3+, using PostgreSQL and SingleStore databases. Contributed to the development of core functionality for the main product, including designing and implementing REST APIs, integrating external services such as AWS and Stripe, and optimizing database queries to improve performance.Played a key role in developing a blockchain-based betting platform by utilizing smart contracts on the TON blockchain to ensure transparency and secure transactions, as well as delivering real-time betting functionality. Also participated in building internal shared libraries, collecting statistical data for dashboards, and providing occasional technical support to maintain system stability.
Java Developer | Intellias (Apr 2025 – Present)
Working on enterprise-level projects using Java 21+ and Spring Boot 3+ with PostgreSQL. Involved in system modernization and development of new functionality, including migration to Java 21 and newer Spring Boot versions. Responsibilities include designing REST APIs, writing unit and integration tests, and implementing inter-service communication within a distributed microservices architecture.Additionally, working with Azure-based infrastructure, integrating with SAP systems via SOAP, and designing a universal document generation module with multi-template support and PDF conversion. Actively participate in code reviews, bug fixing, and continuous improvement of system maintainability and scalability.

Andrii

Java Developer

Вінниця

Готовий переїхати: Київ

2 000 $

24 роки

Активно шукає роботу

повна зайнятість, неповна зайнятість, проектна робота

Характер роботи: віддалена робота, позмінна робота, гібридна, в офісі/на місці

Остання активність 2 дні тому