Summary

Expertise

Project Highlights

Education

Agency

YP

English:

Upper Intermediate

Yaroslav P.

vetted by Youteam

Vetted by YouTeam

Ukraine

UTC +02:00

Ukraine/Kyiv

English:

Upper Intermediate

An ambitious and self-driven Senior Java developer with 6+ years of professional experience.

I’m a Java software engineer, with 6+ years of experience. Over this time I’ve got a big expertise in Enterprise app architectures, libraries, and frameworks. Brief summary: - 5+ years of professional experience in Java programming; - highly skilled in application software analysis, implementation, development, architecture, and design; - follow best practices, creative and responsible worker; - strong organisational and problem-solving skills; - the great experience in teamwork; - excellent skills in working under pressure and tight deadlines. LANGUAGES Java, Groovy FRAMEWORKS Spring stack, Google Guice OTHER TECHNOLOGIES MySQL, PostgreSQL, MongoDB, Redis, DynamoDB, Elasticsearch, JUnit, Mockito, WS, Hadoop, AWS, Azure, GCP (Pub/Sub, IoT Core, Cloud Logging, JKE) TOOLS Git, Bitbucket, Jira, Redmine, Trello, Rspec, Capybara, FactoryBot, Selenium CI tests, WebMock, Maven, Gradle, IntelliJ IDEA I understand how important is to create products that can be easily adjusted to the quickly changing market requirements. To help you withstand the tough competition of your target market, I use only the most powerful tools and technologies that allow me to create awesome products. If you are looking for a reliable, creative, and experienced IT professional in Ukraine, you have come to the right place - I will eagerly become your longtime partner. Let’s start to work together!

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Check if Yaroslav is available

Expertise

Years of commercial development experience

7 years of experience

Core technologies

Java 6 years
Groovy 6 years
JavaScript 5 years
Spring 4 years
MySQL 4 years
AWS 4 years

Other technologies

PostgreSQL
JUnit
WebSockets
DynamoDB
Maven

Project Highlights

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Java Developer

Office Space Management Agile Tool

Mar `23 - Aug `17

Office Space Management Agile Tool (OSM) is used for tracking workplace distribution between offices, employees allocation management, storage and automatic update of visio schemes with office plans.

Responsibilities & achievements

Implementing REST APIs. Analyzing and fixing bugs. Code refactoring. Improving application performance, performing stress testing. Wrote project guides on knowledge base.

Java
JIRA
Oracle
PostgreSQL
Spring
Git
Jenkins
JMeter
JUnit
Postman
Docker
MVC
Swagger
Maven
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Java Developer

Presto

Sep `21 - Present

3 years

Flare Edge - a web application for cross-synchronization data between the Hive Metastore, localhost, HDFS, cloud storage(Google storage, etc..)

Responsibilities & achievements

Architecture design; PoC; Implementing main business logic. Code refactoring. Writing unit and integration tests. Performance testing.

AWS
Java
MySQL
JMeter
Maven
Spring Boot
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Java Developer

Under NDA (

Jul `20 - Nov `21

1 year

Healthcare project.

Responsibilities & achievements

Architecture design. Lots of spikes, PoC. Implementing main business logic. Code refactoring. Writing unit and integration tests. Performance testing.

AWS
Groovy
Java
JavaScript
Nexus
Python
Spring
IntelliJ IDEA
JMeter
JUnit
Mockito
Maven
Bitbucket
Terraform
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Java Developer

IGS

Feb `20 - Jul `20

5 months

Application for promotion and testing of healthcare devices.

Responsibilities & achievements

MQTT interactions. Deployment and CI/CD implementation. AWS management. Writing AWS orchestrators using Java API. Fixing bugs. Code refactoring. Writing unit and integration tests.

AWS
Java
Nexus
Spring
IntelliJ IDEA
JUnit
Mockito
WebSockets
Kanban
Swagger
Maven
Bitbucket
icon
Java Developer

AIR LAB

Jan `19 - Feb `20

1 year

The ad mediation platform powered by Artificial Intelligence.

Responsibilities & achievements

Creating highly loaded solutions. Implementing main business logic. Support/Design AWS environment variables. Code refactoring. Unit testing. Bug fixing.

AWS
Hibernate
Java
JIRA
MySQL
Spring
Git
Gradle
IntelliJ IDEA
Jenkins
JUnit
Nginx
PgAdmin
Postman
Swagger
Maven
ELK
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Java Developer

Ooyala

Oct `18 - Feb `19

4 months

a video and analytics technology company that offers cloud-based platform to help build an engaged and profitable audiences. It harnesses the power of big data to help broadcasters, operators, and media companies build more engaged audiences and monetize video with personalized, interactive experiences for every screen.

Responsibilities & achievements

Bug fixing. Implementing business. Implementing REST APIs. Code and solution review. Implementing integration unit tests.

Hibernate
Java
JBoss
Spring
RabbitMQ
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Java Developer

R&D project

Jun `18 - Oct `18

4 months

Design and deliver to UAT an MVP of Ooyala Flex-based solution of video assets ingestion into various internal Ooyala systems, followed by assets post-processing, and publishing their metadata to a customer-based consumer service. Ooyala Flex Platform is playing ingestion/publish workflow orchestrator role, while remote REST services and Amazon S3 are acting as data sources.

Responsibilities & achievements

Implementation and support system for managing media content. Implementing Groovy scripts. Analyzing and fixing bugs. Lots of code refactoring. Code and solution review.

JIRA
MongoDB
Selenium
Amazon Web Services
Git
Gradle
IntelliJ IDEA
Confluence
MS SQL Server
MariaDB
icon
Java Developer

Copyright Clearance Center

Jun `18 - Oct `18

4 months

a provider of collective copyright licensing services for corporate and academic users of copyrighted materials. Team provides design, development, and QA of a new framework and applications enabling the core of Copyright Clearance Center operation including content rental systems and repository of copyrighted materials as well as support of legacy applications.

Responsibilities & achievements

Implementing business logic. Implementing REST APIs. Bug fixing. Code and solution review.

AWS
Java
PostgreSQL
Git
IntelliJ IDEA
Jenkins
Swagger
Spring Boot
Bitbucket

Education

Higher education in Computer Science

Agency

agency #215

100-400

GMT+2

Palo Alto/USA

Core Expertise

AngularJS
Data Scientists
Django
Java
JavaScript
Node.js
Python
React.js
React Native
Ruby
Ruby on Rails
UI
Unity or Unity3D
UX
Artificial Neural Networks
Computer vision
DART
Machine learning Engineer
Product management
Chatbot Development
Solidity
Vue.js
Spring Boot
Natural Language Toolkit
Blockchain
Rust
Web3.js
Flutter
Google Cloud Platform
AWS Lambda
Terraform
Nest.js

Industries

E-Commerce & Retail, Banking & Finance, Information services & Technologies, Advertising & Marketing, Photo & Video, Social Media & Communication, Healthcare & Medicine, Blockchain & Cryptocurrency, Data Science & Machine Learning, Big Data, Games, Entertainment, Augmented reality, SaaS

Want to hire this engineer?

Check if Yaroslav is available