Yehor K. — Senior Java Engineer

Expertise in Full Stack Web.

Last verified on July, 2023

Bio Summary

- Have 5 years experience with Java and related technology;
- Experience working with Docker;
- Deep skills with PostgreSQL, MySQL, MS SQL Server;
- Experience working with financial projects;
- Good knowledge of PayPal API;
- Experience working with AWS and Google API;
- Experience with Microservices;
- Good logical thinking, self-learning, high level of responsibility;
- Responsible, hard-working, result-oriented, creative and communicative, team player;
- Upper-Intermediate English.

Technical Skills

Programming Languages	Java
JavaScript Libraries and Tools	ava 11
UI Frameworks, Libraries, and Browsers	CSS, HTML
Java Frameworks	Hibernate, Spring, Spring Boot
Java Libraries and Tools	Java SE, JDBC, JPA, JSON, Lombok, Slf4j, Spring Data, Spring model-view-controller (MVC) framework, Spring REDIS, Spring Security, WireMock
Databases & Management Systems / ORM	Flyway, Hibernate, Microsoft SQL Server, MySQL, PostgreSQL
Cloud Platforms, Services & Computing	AWS
Soft Skills	Analytic Skills
QA, Test Automation, Security	Apache Maven, JUnit, Mockito, Security
Web/App Servers, Middleware	Apache Tomcat
Collaboration, Task & Issue Tracking	Atlassian Confluence, Jira, Redmine
Virtualization, Containers and Orchestration	Docker, Docker Compose
Version Control	Git
SDK / API and Integrations	Google API, Log4j, PayPal API, RESTful API, Swagger
Deployment, CI/CD & Administration	Gradle, Jenkins
Operating Systems	Linux, macOS, Windows
Methodologies, Paradigms and Patterns	microservices architecture, MVC
Message/Queue/Task Brokers	RabbitMQ
Other Technical Skills	Authorize, GitBucket, Log4j2, Spring boot Data Jpa, Spring Boot ThymeLeaf

Experience

Java Developer

January 2022 - Present

Java Developer, Fintech Band

March 2018 – January 2022

Projects

Callnote

Description: This project is based on 2 modules: basic java application and back-end side for it. The main purpose of this application is to record conversations from different communication apps ( zoom/teams etc.) There are also a few features like the transcription to text from voice recording (using Google and IBM Watson Apis), and sharing recordings with dropbox/google/OneDrive/Youtube. The application also uses different modules like Executable files, audio-encoding, audio-capture modules
Responsibilities: Developing new features and functionality, describing features implementation. Create new reports, and system bug fixes. Old Code refactoring and optimization. Investigation of possible to implement the feature, code review
Technologies: Gradle, Java 8, Spring, log4j, Hibernate, PostgreSQL, JSON, REST, GoogleApi ( Analytics, speech to text), AMAZON AWS (queue + simple email service + S3 ), Authorize, PayPal, Lombok.

Mob-Client

Description: This project contains 2 main tasks: Everything related to credit card Activation/Issuing and collecting info about a user from all complexes.
Responsibilities: Developing new features and functionality, describing features implementation. Create new reports and system bug fixes. Old Code refactoring and optimization.
Technologies: Java 11, Spring Boot, JSON, AwaitUtils, Log4j2, Spring Redis, Lombok, Spring Security, Test Containers, WireMock, JSON, REST.

Working project - Linkin

Description: The main purpose of this project is user registration and referrer/referral registration system.
Responsibilities: Developing new features and functionality, describing features implementation. Create new reports, and system bug fixes. Old Code refactoring and optimization.
Technologies:Java 11, Spring Boot, Spring Data Jdbc, AwaitUtils, Log4j2, Spring Redis, Lombok, Spring Security, Test Containers, Postgresql, RabbitMq, WireMock, JSON, REST.

Mob-Api-Back

Description: Everything related to payments and collecting installments/deposits info about specific users.
Responsibilities: Developing new features and functionality, describing features implementation. Create new reports, and system bug fixes. Old Code refactoring and optimization.
Technologies:Java 11, Spring Boot, JSON, AwaitUtils, Log4j2, Spring Redis, Lombok, Spring Security, Test Containers, WireMock, REST.

Anc

Description: Drug Store with info about users.
Responsibilities: Code development and bug fixing.
Technologies: Java 11, Hibernate, Postgresql, Spring Security, Spring boot Data Jpa, Spring Boot ThymeLeaf, HTML, CSS, Tomcat, SLF4J, Maven.

FirstCare

Description: The app for maintaining the UK’s largest database on absence, covering 185,000 employees and recording more than 10.2 million absences. This app offers a simple, effective way to improve productivity by reducing absence and its associated costs.
Responsibilities: Developing a new module that allows users to subscribe to scheduled reports which are generated automatically and according to the schedule sent to users' emails.
Technologies:Java 8, Spring: Boot, Security, MVC, Data, JPA, MS SQL Server, ORM - Hibernate, REST, Maven, JUnit4, Mockito, GitBucket, Jira, Confluence, Flyway, Docker, Docker-compose, Swagger.

PizzaHot

Description: Online Pizza store with different purchase options.
Responsibilities: Code development and bug fixing.
Technologies: Java 11, Hibernate, Postgresql, Spring Security, Spring boot Data Jpa, Spring Boot ThymeLeaf, HTML, CSS, Tomcat, SLF4J, Maven.

Education

State Technical University, Bachelor of Science: system software development
2013 - 2017

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