Senior Java Developer

Team: Integration of Bank Guarantee microservices with external
partners
> Have transferred microservices from the code-first to the API-first
> Have designed and implemented microservices observability (logs unification,
monitoring, alerts)
> Have implemented microservices scheduled tasks in cluster mode
> Have developed and implemented organizational initiatives (duty, retro and
technical planning)
Stack:
Microservices Java 17‑21 Spring Boot Spring WebMVC Spring Security Spring
Data JPA Hibernate Tomcat PostgreSQL Git Gradle ELK Prometheus/Grafana
Kubernetes/Helm Jenkins Spring Test Internal corporate services

Team: Development of loyalty services (Market Loyalty)
> Have developed and implemented Viral Promo microservice from scratch
> Participated in the division of Loyalty monolith into microservices (Cashback,
Promocodes and Micromechanics)
> Was responsible for the speed and responsiveness of Loyalty microservices
> Maintained the observability of Loyalty
Team: Development of user notification services (Market CRM)
> Developed user notification services with BPMN system Camunda
> Have developed and implemented the migration of user subscriptions from 30
million to 150 million
> Was a mentor to the interns
Stack:
Microservices Java 11‑21 Jetty Spring Boot Spring WebMVC Spring Boot
PostgreSQL Camunda ReactJS Python Clickhouse Redis REST Open API Spring
Test Internal corporate services
Internal corporate counterparts of Git Gradle ELK Prometheus/Grafana
Virtualization Hadoop Kafka MongoDB CI/CD

Team: Development of the Java Middle Developer training course
> Have designed and implemented the plan of the learning course from scratch
> Have designed and implemented practical tasks for students
> Managed of 6 authors
> Interviewed and participated in hiring of authors and mentors for the training
course
> Refactored of the training course by student feedback
Stack:
Java 8-21 (Streams, Concurrency, Virtual Threads etc.) Enterprise Patterns SOLID
Git Maven/Gradle Spring Framework Spring Boot Spring WebMVC/WebFlux
Spring Data JDBC/JPA/R2DBC/Redis Open API REST Spring Security Microservice
Architecture Patterns Kubernetes Helm Jenkins ELK Grafana Zipkin Kafka React
Node.js Bootstrap Thymeleaf Spring Test
Link: https://practicum.yandex.ru/middle-java/

Team: Development of Contact Center (Naumen CC)
> Have migrated CC from Java 8 to Java 11, from Maven to Gradle, from Spring
Framework to Spring Boot
> Have migrated one service to the Jigsaw modules structure
> Participated in the designing and implementation of zero-downtime DB
migrations
> Was a mentor to the interns
Team: Development of CRM system (Naumen CRM)
> Developed CRM system for clients
> Independently maintained CRM system for clients
Stack:
Java 6‑11 Tomcat Spring Framework Spring Boot Spring WebMVC Spring Security
Spring Data JPA Thymeleaf PostgreSQL Oracle Database TypeScript Python
Groovy TypeScript Hibernate Jenkins Maven/Gradle Vagrant/Docker ActiveMQ
SVN/Git OSGi Spring Test