Position: Kotlin Java Developer
Category: Java
English level: pre
Years of experience: 7

3+ product to release
Year: 2020 – 2023
Company: Metryus
Role: Java/Kotlin developer 
Details: Bank app from private entrepreneurs UA/Business banking app for small 
business UK

Architecture: 
• Synchronous and Asynchronous Microservices 
• Message-Driven, Kafka
• Zuul, Ribbon, Eureka

Tools and Technologies: 
• Data Base: MongoDB, ElasticSearch
• Frameworks: Spring Reactor,Spring Boot 
• Main Languages: Java,Kotlin
• Continuous Delivery: Bitbucket->Jenkins->Docker Hub->Docker Swarm

Year:   2019 – 2020 
Company:  Platmaster(owner U-Studio)
Role:           Kotlin/Golang developer  
Details:      Сross-selling system with a social network,
 		“Prozorro”(Ukranian public procurement) integration

Architecture: 
•	Self-Hosted Microservices 
•	Distributed Cluster Database 
•	Message-Driven 
•	Workflow Engine for Microservices Orchestration (distributed transactions) 
•	Fault Tolerance 
•	Horizontal Scalability 
•	CQRS, JSON-RPC 
 
Tools and Technologies: 
•	Data Base: Cassandra, PostgreSQL, ElasticSearch
•	Frameworks: Spring Boot 
•	Workflow Engines: Camunda, Zeebe 
•	Main Languages: Kotlin, Go 
•	Continuous Delivery: Bitbucket->Jenkins->Docker Hub->Docker Swarm 

 
Year:   2017 – 2019 
Company:  U-Studio (project) 
Role:           Java/Kotlin developer  
Details:      Central database for public procurement system (OCDS) 
•	Self-Hosted Microservices 
•	Distributed Cluster Database 
•	Message-Driven 
•	Workflow Engine for Microservices Orchestration (distributed transactions) 
•	Fault Tolerance 
•	Horizontal Scalability 
•	CQRS, JSON-RPC 
 
Tools and Technologies: 
•	Data Base: Cassandra, PostgreSQL 
•	Message Broker: Kafka 
•	Frameworks: Spring Boot 
•	Workflow Engines: Camunda, Zeebe 
•	Main Languages: Java, Kotlin, Go 
•	Continuous Delivery: Bitbucket->Jenkins->Docker Hub->Docker Swarm 
 
Year:   2016 – 2017 
Company:  U-Studio (project) 
Role:           Golang developer  
Details:      Migrate project from PHP to golang 
 
Tools and Technologies: 
•	Go, Yii 2.0(PHP), PostgreSQL, Mongo 
 
Year:   2016  
Company:  Burda International Ukraine 
Role:           FullStack dev  
Details:    Support multi-CMS structure, and create new features  
 
Tools and Technologies: 
•	MySql, Yii 2.0(PHP) 
 
Year:   2015 – 2016 
Company:  meets.com 
Role:           FullStack dev  
Details:      Migrate project from Yii 1.0 to Yii 2.0, create new features 
 
Tools and Technologies: 
•	MySql, Yii 2.0(PHP)
services stack