Gleb Tipsin Email & Phone Number

Moscow, Ru

Moscow, Moscow City, Russia

Designing and developing highload systems (3-6k rps) for personalization and recomendation purposes.Languages: Kotlin, Java 11/17Frameworks/Libraries: Spring Framework (Boot, Web, WebFlux, JDBC), Kotlin Coroutines, Project reactor (Reactor Kafka, Reactor Kotlin Extensions)Storage: MongoDB, Sharded MongoDB cluster, Oracle DB, Elasticsearch cluster, RedisMessaging: KafkaTesting: JUnit, Assertk, Mockk, Mockito, GatlingMonitoring: Grafana, Prometheus, KibanaCI/CD: Gitlab, K8S, Vault

Москва, Москва, Россия

- Developed thin REST client on java as middle layer of information system;- Designed and realised calculation engine for merchandising financial system in a relational database using semi-OLAP approach;- Realisied an opportunity of editing OLAP-cube with a further complicated calculation of effected measures in a real time;- Implemented functionality for generating hierachical JSON for frontend client according to filtered items and user pivot table layout of axes;- Realised spreading/aggregation mechanisms and other auxiliary usefull stuff for multidimensional planning;- Developed a functionality for flexible configuration of business logic (e.g., adding/editing measure's formulas in human-readable format, pivot tables, preset of axes e.t.c.);- Created database infrastructure for integration with data warehouse;- Had an huge experience with generating a "tons" of dynamic sql- Had experience with ELK for logging purposes.Technologies: Java 11, Spring Framework, Spring Boot, Spring Security, Oracle 19c, Oracle SQL, Oracle PL/SQL, ELK.Tools: IntelliJ IDEA, PL/SQL Developer, Oracle SQL Developer, Maven, Postman, Gitlab, Jira, Confluence.

Moscow, Moscow City, Russia

- Analyzed and maintained 4 existing software applications for two business products: Space Planning System and Merchandising Financial System;- Developed backend logic in Java using RPAS API;- Had experience in building bash scripts for administration, integration and other purposes around an application.Technologies: Java 8, Oracle RPAS, Weblogic, Unix.Tools: IntelliJ IDEA, Oracle RPAS configuration tools, Git, Jira, Confluence.