Андрій

Andrii Polishchuk
Java Developer

Professional Summary

Skilled professional with 6+years of experience in the development,
implementation, and testing of web and mobile applications using microservices
architecture, core Java stack, and cloud solutions. Proficient in implementing
graph algorithms and developing complex functional solutions. A responsible team
player who actively contributes to project improvement and drives successful
outcomes.

Education

Personal details Jan 2015 - Dec 2018 Bachelor's degree, Computer Science
National Technical University of Ukraine 'Kyiv
Name Polytechnic Institute'​
Andrii Polishchuk

Email address
Employment
[відкрити контакти](див. вище в блоці «контактна інформація»)
Jan 2019 - Apr 2021 Java Developer
Phone number MobiMill, Kyiv
[відкрити контакти](див. вище в блоці «контактна інформація») Responsibilities:
• Designed and developed rest API for mobile
Address
applications and application administration resources.
Vyshneve, Kyiv region
(Sabotage Wine)
08132 Vyshneve
• Integration of other microservices and API.
Gender • Implementing OOP and SOLID principles for
Male scalable and maintainable code.
• Optimizing Java applications performance,
LinkedIn scalability, and stability.
[відкрити контакти](див. вище в блоці «контактна інформація») • Designed and optimized the database structure.
polishchuk-29a4541b8 • Administered the server, and configured the work of
services.
• Support and hotfix problems.
Skills • Working with databases such as MySQL, Oracle,
and MongoDB.
Java Core Tech used: Java 11, Maven/Gradle, JUnit, Spring
boot, Spring security, MySql/Postgres, PostGIS,
Spring GitLab, Kafka
Hibernate Jun 2021 - Dec 2022 Java Developer
Brightgrove, Kyiv
Java
Responsibilities:
MySql • Development of a booking microservice API for
B2B.
Maven • Integration of other microservices and API.
• Designed and optimized the database structure.
JUnit • Optimizing Java applications performance,
scalability, and stability.
Git • Provided interservice asynchronous communication.
• Support and hotfix problems.
SOLID
• Implementing OOP and SOLID principles for
scalable and maintainable code.
JDBS • I was an active participant in all agile processes
(refinement, grooming, daily, planning, retro).
UML Tech used: Java 11/17, Maven, JUnit, Mockito,
Spring boot, SOLID, Spring security, Spring Cloud,
RDBMS
Postgres, REST API, Integration testing, WebSocket
Spring MVC connection, Jira, GitLab, Kafka, Amazon SQS, EC2,
S3, API Gateway, Lambda, MongoDB.
IntelliJ IDEA
Jan 2023 - Present Java Developer
Spring Boot Impltech, Kyiv
Responsibilities:
Spring Framework • Development of a cryptocurrency store microservice
API.
Java 11 • Integration of other microservices and API.
• Designed and optimized the database structure.
Java 17
• Provided interservice asynchronous communication.
Mockito • Support and hotfix problems.
• Optimizing Java applications performance,
Engineering scalability, and stability.
• I was an active participant in all agile processes
Spring Cloud (refinement, grooming, daily, planning, retro).
• Implementing OOP and SOLID principles for
Linux scalable and maintainable code.
• Participating in code reviews with other team
Neo4j
members.
Scram Tech used: Java 11/17, Maven, JUnit, Mockito,
Spring boot, SOLID, Spring security, Spring Cloud,
Spring Security Postgres, REST API, Integration testing, WebSocket
connection, Jira, GitLab, Kafka, Amazon SQS, EC2,
Project Management S3, API Gateway, Lambda, Neo4j.

Tomcat

WebSocket

MongoDB

Amazon SQS

EC2

S3

API Gateway

Lambda

Kafka

Languages
English

Ukrainian

Hobbies
Table tennis

Basketball

Reading books