Position: Data Analyst
Category: Data Analyst
English level: fluent
Years of experience: 2.5

-Create Power BI dashboards.
-Calculate business plans and production projects.
-Create reports from scratch using SQL and PL/SQL
-Create meaningful Power BI dashboards for internal customers
-Optimize SQL queries, functions and databases
Professional skills:
• Use of BI Systems to visualize reporting systems of any level of complexity - Power BI, Tableau
• Knowledge of languages for analytical processes: SQL, Python, Scala 
• Working with Jira and confluence, using both Scrum and Kanban techniques. Understanding and implementing Agile methodology
• Building machine learning models (LightGBM, Catboost, xgboost, scikit-learn)



Bilim Media Group
Product Analyst
August 2022 - January 2023
Responsibilities:
• Building end-to-end analytics on Python and SQL: the full online path of the client - from the first viewing of advertising and ending with the sale.
• Searched for losses and technical errors between funnel stages and fix errors together with the development team.
• Changed FTUE flow and increased in onboarding conversion by 53.1%
• Built dashboards in Power BI for daily, weekly, and monthly monitoring. Collected data for calculating metrics such as:
LTV, Churn Rate, DAU, MAU, ARPU.



Kaspi.kz (fintech)
Data Analyst
January 2021 - July 2022
Responsibilities:
• Built LightGBM machine learning model for identifying abnormal transactions, decreasing fraud operations and
saving up 12000$ monthly in internet operations.
• Researched data in customer sessions. Decreased fraud operations by 4.3% during 3-D Secure by optimizing the process of geodata.
• Developed a new set of rules for determining the type of transactions in Internet transfers, thereby reducing the percentage of erroneous transactions from 6.3% to 0.7%.
• Explored ways to visualize and send a daily report of task results to team members using Cron, Python and Tableau.



Samruk-Kazyna
Data Engineer
September 2020 - January 2021
Responsibilities:
• Wrote an ETL process for transferring data from PostgreSQL to Clickhouse using Airflow and Python.
• Maintained DWH and ETL processes, saving data to a distributed HDFS file system using Apache Spark+Hadoop.
• Worked in a collaborative Agile environment with other data engineers, data scientists, and software engineers.