Igor Merkushev

- Make MVP service production ready with release to production and clients migration - Project Lead (Distributed calculations): Developing distributed systems and services from scratch and migrating from the legacy system using Clean Architecture and SOLID principles. - Maintaining legacy systems - Mentoring Junior Developers - Maintaining new Services

- Developing and maintaining existing services. - Developed service (from scratch) to work with different OAuth2 providers (clean architecture, SOLID, clean code) - Developing the new core service using R2DBC, WebFlux, Kotlin coroutines, etc. (clean architecture, SOLID, clean code) Tools and skills: - Spring, Spring Boot, Hibernate, Maven - PostgreSQL - Kotlin coroutines, R2DBC, Spring WebFlux - GitHub, AWS, DynamoDB - Jenkins, DataDog - Java, Python, Kotlin

- Developed and maintained web services (Java, Golang) - Created tools for development (Python) - Configured Spring Applications for observability (Prometheus, Jaeger, ELK stack) - Configured Kong API Gateway Tools: - Spring, Spring Boot, Hibernate, Maven, Spring WebFlux - PostgreSQL - Git, Gitlab CI - Kubernetes, Skaffold, Kustomize, ArgoCD - Keycloak - Java, Python - Golang

Results: - Created and developed Web services using Spring Boot. - Migrated QA Jenkins jobs to pipelines - Created Jenkins jobs (Development, Deployment) - Configured Sonar Qube Responsibilities: - Develop and maintain the testing framework - Develop web services - Review PRs - Migrate automation framework from Groovy to Java. - Configure Jenkins.

Results: - Create Grafana dashboards and monitorings for the test results and new services. - Created services (Java). - Developed scripts (Python) for testing workflow. - Built pipelines in Jenkins (Groovy). - Migrated Jenkins pipelines to TeamCity. - Preparation of integration tests for migration from Java to Typescript. Responsibilities: - Modifying the testing framework according to testing group requests. - Support integration and e2e tests. - Developing new services

Responsibilities: - Developing automated tests and test suites. - Developing automation for the testing process. - Testing REST Services and Web applications. - Participating in developing the testing workflow. Tools and skills: - JUnit, Selenium, Rest Assured, Allure - Jenkins, Maven, Gradle, Git - SQL, MongoDB - Curl, Charles, Postman.