Pavel Baryshnikov

Managed and maintained over 40 ETL pipelines across diverse regions and multiple Hadoop clusters within a distributed team environment. Tech stack: Java 8, Scala, Spark, s3, Hadoop, Hive, Impala, Oozie, Airflow, Vertica, Postgres, Snowflake, Ansible, etcd.

Creating a microservices-based platform for chatbot development that seamlessly operates across various channels. Tech stack: Java 8, Kotlin, Nashorn, Openapi, Jetty, Spring (Cloud/Boot/Data), Eureka, Hibernate, MyBatis, Prometheus, Nginx, PostgreSQL, MongoDB, EhCache, Hazelcast, Apache Lucene, Graylog, Flyway, Git, Mercurial/Git, filebeat, logstash.

Development of e-commerce stores on the SAP Hybris platform. Tech stack: java 8, SAP Hybris, Apache Solr, Spring IoC/Security/MVC, Apache Tomcat.

Working in Deutsche Bank's Forex division involved real-time risk calculations, sending account breach notifications, and integrating client management UI. The system was based on Oracle Coherence for distributed caching, processing a high volume of daily trades, and seamlessly integrated with various external systems (JMS, FTP, SSH, JAX-WS, REST). Technologies: Java 6/7, Oracle Coherence, JBoss Drools, Apache Camel, Spring IoC/Security, Apache CXF, Apache Tomcat.