Core responsibilities: - Internal core system development; - Split monolitic application to microservices; - API design; - Inter-application communication design; - Database schema design; - High availability schema design; - Application monitoring design; - Integration with 3rd party systems; - Code quality tools integration.Key achievements: - Changed framework from Yii2 to Symfony 5 and split monolitic application to standalone applications. During the process of framework switching both frameworks were working in the same code base. Thus the technic task did not affect business one; - Application migration between datacenters; - Implemented quote storage application on GoLang with the interface of MySQL server; - Integrated PSR-compatible coding standard into development flow - Integrated message bus system on Apache Kafka - Integrated reporting system allowing to avoid tasks to program reports by developers

Core responsibilities: - Software architecture design; - Internal platform development to ease starting new applications; - Integration with 3rd party systemsKey achievements: - Apache Kafka integration; - Framework upgrade to Symfony 4 - Staging environment powered by Kubernetes and Helm - ETL-system development

Core responsibilities: - Design backend system for mobile application - Infrastructure design - Integration with 3rd party systems

Core responsibilities: - Internal systems design and development - Splitting monolithic application to the services - API design - System interaction design - Database design - Design of high-availability schemes - Application monitoring design - Integration with 3rd party systems

Core responsibilities: - Internal systems development for brokerage business - Application architecture design - Database design - API development - Integration with 3rd party systems

Core responsibilities: - Server backend development for loyalty program. - Database design. - Mobile API development. - Unit-testing. - Automation of building and deploying. - Integration with external systems. - The system was written from scratch without any framework.

Core responsibilities: - UI elements development - High-loading web site development - Web-application development - Integration of various services - CMS and internal company framework development - Unit-testing - Database design - Participated in application development for one of Moscow banks