Marina Ershova

Worked as Data Engineer at SUNLIGHT Brilliant.

Clickhouse: building a process for near-real-time downloading of user order data. Architecture for executing loading scripts, populating data dictionaries, configuring HDFS retention, uploading backups to S3, optimizing calculations, and leveraging Clickhouse features (HDFS engines, MergeTree family, Distributed tables, Materialized Views) and sharded databases in general for processing large amou

Participation in the development of a tool for calculating company expense allocations: setting up integrations with other systems, setting up data marts, and SQL queries for data validation.

- Implementation of development according to technical specifications
- Setting up integration interactions between systems
- Setting up data marts for users
- Optimizing data loading
- Working with the database (SQL queries, Python scripts)

Primary Responsibilities:
- Writing and coordinating specifications based on customer requirements;
- Setting developer specifications, describing classes and methods in which functionality must be implemented, and providing ongoing development support;
- Testing developed functionality using integration testing tools and the system's built-in debugger. Conducting functional testing with the custo

Primary responsibilities:
- Participation in the preparation of the diagnostic system for the experimental campaign at the T-10 Tokamak reactor (soldering microelectronic components, checking functionality, installing it on the work platform, etc.);
- Conducting the experiment and obtaining the required data;
- Processing the obtained information using mathematical algorithms in the Matlab package