Alexander Yanchiy Email and Phone Number

- Developed micro service for integration with another subsystem. Usedtechnologies: Kotlin, Expediagroup Client Generator, GraphQL WebClient,Kafka.- Integrated Spring ConfigServer, SpringBoot Admin, Map Struct library, madepresentation for colleagues, to learn basics of these tools.- Developed gradle script for building monolith war archive from microservices.Also developed code for replacing feign client network calls with calling directjava methods of Spring Data Rest controllers and custom Spring MVCcontrollers.- Developed microservices for business use with the help of Java, Kotlin, SpringData Rest, PostgreSQL, Kafka, Jasper Reports, Gradle, Git.

- Developed microservice for integration users with Moscow exchange usingJava, Spring MVC, Multithreading(thread pools, threads).- Developed microservices for business use with the help of Spring MVC, SpringCloud, PostgreSQL, Kafka, Spring Data, Maven, Git.- Developed plugin for IntellijIDEA, which provides ability to create microservicemuch easier. Plugin creates git repository via Git Lab API, applies alldependencies that you chose at the first step and after creates all files that youneed.

- Developed system, that processes documents from taxpayers, validates them anddoessome business logic. Used Java, Tomcat, Spring MVC, Spring Core, SpringData, Spring Security, MySQL, PostgreSQL, VoltDB, Hazelcast, Kafka,Maven. Git.- Developed data migration from MySQL to PostgreSQL. Process migrated about1,5 billion records, migration was working asynchronously, while users wereusing system.- Made optimizing for processing of documents. After all steps, time to processone document decreased by 50 percent.

- Developed business code with the help of Java, Jboss, Nginx, Spring Core,Spring MVC, Hibernate, PostgreSQL, Angular, Bootstrap, Gradle, Git.- Developed plugin for IntellijIDEA, which reads DozerMapper configuration andprovides displaying configurations for specific classes in java code with the helpof key shortcuts.

- Developed business code with the help of Java, Tapestry, OracleDB, Maven, Java EE (Internal Framework с использованием hibernate).