Maxim Muzafarov

Apache Cassandra Committer. Cassandra kernel development and support, conference speaker. Recognition as a Cassandra Catalyst at the Cassandra Summit 2023. Conferences, publications and Cassandra enhancement proposals: - Community Over Code 2024 in Bratislava - Making Dropwizard Metrics Accessible via CQL in Apache Cassandra - CEP-27: Internal Data Collections Exposure for Monitoring - CEP-38: CQL Management API - CEP-47: Apache Cassandra Tree-based Configuration

Apache Ignite Project Management Committee (PMC), Apache Ignite Committer at Apache Ignite project I worked as a developer on a low-level component of a fintech IT platform. The following core improvements was developed by me: - the distributed cluster snapshot procedure (IEP-43) - cluster rebalance procedure by exchanging cache partition files (IEP-28) - batch insertion entries to the page memory architecture - a few cluster rebalance procedure and partition map exchange improvements

1. Big Data project, aimed to create a Hadoop ecosystem based centralised repository of data, collecting information across the company for Analytics, reporting and decision making processes. Technical: Java 7, Hadoop, MapReduce, Oozie, Zookeeper, Flume, Guice, JMS, Groovy, Spock 2. Analytical system based on Apache Storm technologies. Technical: Java 8, Apache Storm 1.0.2, Marklogic 8, XQuery, Zookeeper, JMS, JUnit

Technical: Java 6, JAX-WS, JAXB, ESB 11, JMS, JUnit, SOAP, Ant, Jenkins, Oracle SQL; Develop new programs as well as maintaining existing CRM-based systems on products Amdocs CRM, OMS, EPC to customer requirements in architecture JEE using Oracle dababase;

Technical: Java: Java 6, Spring JdbcTemplate, Spring IoC, Maven; Oracle PL/SQL: Collections, Cursors, Exceptions, Bulk operations, DBMS_SQL, Regular expressions, Partitioning (exchange, split), Object tables; Oracle SQL: Analytic functions, Pipeline functions, XMLTable, XMLQuery, xQuery;

Development of new and optimization of existing PL/SQL application code; - Developing modular unit and regression tests on PL/SQL; - High-load application and integration testing; - The development of test scripts and process documentation for test automation; - Optimization of SQL-queries; - Participation in designing application database schema on the functional requirements; Used tools: PL/SQL Developer, SQL Developer, SQL Plus, ClearCase, PVCS Tracker, SQL Developer Data Modeler.