Андрій

Andrew Grom
Java Developer
Ukraine, Vinnytsia (Kyiv) [открыть контакты](см. выше в блоке «контактная информация»)

[открыть контакты](см. выше в блоке «контактная информация»)

[открыть контакты](см. выше в блоке «контактная информация»)

https://t.me/UnforgettableThunder

PROFILE
Responsible and goal-oriented person.
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Always willing to lend a hand and work with others to achieve common goals.
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Comfortable working in a fast-paced environment and able to learn quickly.
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Focused on consistently producing high-quality work.
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LANGUAGES

Ukrainian English
Native Upper Intermediate

SKILLS

Java 8+ Spring Framework Object-oriented
programming (OOP)
Http and WebSocket REST and
Microservices Unit testing
SQL and Relational
frameworks (JUnit,
Databases Algorithms and Data
Mockito)
(PostgreSQL, MySQL, Structures
SingleStore) Version control with Git
Maven/Gradle build
Docker tool AWS

Redis Azure Database
migration(Liquibase,
Apache Kafka OpenAPI/AsyncAPI
Flyway)

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 EDUCATION

2019 – 2023 Igor Sikorsky Kyiv Polytechnic Institute
Kyiv, Ukraine Bachelor of Science: Computer And Information Sciences

2023 – 2025 Igor Sikorsky Kyiv Polytechnic Institute
Masters of Science: Computer and Information Sciences

2020 – 2025 Vinnytsia National Agrarian University
Vinnytsia, Ukraine Bachelor of Economics: Entrepreneurial Economics

PROFESSIONAL EXPERIENCE

Dec 2023 – Apr 2025 TheRaven
Vinnytsia Java Developer
Worked on projects written in Java 17+ and Spring Boot 3+ with
PostgreSQL and SingleStore databases.
Contributed to the development of new functionality for main
project, including:
•Designing and implementing REST APIs.
Integrating the application with AWS, Stripe and other services.
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Enhancing database performance by optimizing queries.
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Developing a decision-making system for monetization
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strategies.
Implementing features to interact with mining pools.
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Developing a shared internal library containing common utilities
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and reusable components.
Collecting and providing statistical data for dashboard.
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Played a key role in developing a blockchain-based betting
platform:
•Utilized smart contracts on the TON blockchain to ensure
transparency and secure transactions.
•Delivered a solution for real-time betting operations.

Provided occasional technical support, resolving user issues and
maintaining system stability.

Apr 2025 – Present Intellias
Java Developer
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.

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 • 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.

PET-PROJECTS

Back-end solution developed for students and teachers to manage the educational process
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with the integration of Github API.
Library service for the universities to simplify searching learning materials.
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Multiplayer online word-guessing game, where players take turns creating and solving
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puzzles.
Blockchain-based housing rental platform using TON blockchain and Telegram mini-apps for
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secure transactions and contract management.

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