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Регистрация: 10.05.2023

Daurenzhan Zarpen

Специализация: Data Analyst

Портфолио

Zentist

* Developed and maintained reports and dashboards using Holistics, presenting data in a clear and actionable manner for stakeholders. * Performed regular quality assurance checks on data sources, optimizing SQL scripts and troubleshooting errors to ensure data accuracy. * Conducted in-depth research and analysis of data anomalies, identifying key issues to minimize risks and improve decision-making.

Philip Morris Kazakhstan

* Collecting and analyzing market and consumer information to support development of relevant business strategies. * Designing and leading agile research to inform key business decisions. * Optimizing existing reporting and dashboards to improve data insights. * Migrating reports and dashboards to Power BI service to reduce data usage and increase refresh rate.

Philip Morris Kazakhstan

* Designed and implemented robust data systems, using MS SQL Server and Python to troubleshoot errors and ensure data accuracy. * Sourced and integrated data from primary and secondary sources, maintaining data integrity and supporting ongoing data-driven decision making. * Created comprehensive documentation and data dictionaries to enable easy replication of analyses and collaboration across teams. * Developed interactive dashboards and visualizations using Power BI, providing stakeholders with real-time insights to drive data-driven decision-making across the organization.

Скиллы

Advanced Excel
BigQuery
DAX
GoogleAnalytics
MS SQL Server
MySQL
Pandas
PostgreSQL
Power BI
Python
SQL

Опыт работы

Data Analyst
с 05.2022 - По настоящий момент |NDA
SQL, Google BigQuery, Holistics, MySQL, Databases, Google Analytics, Python
- Developed and maintained reports and dashboards using Holistics.io, presenting data in a clear and actionable manner for stakeholders. - Performed regular quality assurance checks on data sources, optimizing SQL scripts and troubleshooting errors to ensure data accuracy. - Conducted in-depth research and analysis of data anomalies, identifying key issues to minimize risks and improve decision-making.
Data Analyst
05.2021 - 05.2022 |Philip Morris Kazakhstan
Data Modeling, Python, SQL, Microsoft Power BI, Microsoft SQL Server, Logistic Regression, PostgreSQL, Databases, BigQuery
- Designed and implemented robust data systems, using MS SQL Server and Python to troubleshoot errors and ensure data accuracy. - Sourced and integrated data from primary and secondary sources, maintaining data integrity and supporting ongoing data-driven decision making. - Created comprehensive documentation and data dictionaries to enable easy replication of analyses and collaboration across teams. - Developed interactive dashboards and visualizations using Power BI, providing stakeholders with real-time insights to drive data-driven decision-making across the organization.
Business Intelligence Analyst
08.2019 - 05.2021 |Philip Morris Kazakhstan
Power BI, SQL, MySQL
- Collecting and analyzing market and consumer information to support development of relevant business strategies. - Designing and leading agile research to inform key business decisions. - Optimizing existing reporting and dashboards to improve data insights. - Migrating reports and dashboards to Power BI service to reduce data usage and increase refresh rate.
Project Analyst
07.2018 - 07.2019 |Philip Morris Kazakhstan
Power BI, SQL, MySQL
- Conducting Market analysis and reports based on big data. Responsible for projects aimed at conducting industry research and overview. - Overview of 4 markets: Kazakhstan and Central Asian countries. Impact: Successfully completed project aimed at collecting and summarizing market research data in order to expose possible threats and improvement areas.

Образование

Finance (Бакалавр)
2015 - 2019
Narxoz University

Языки

ТурецкийВыше среднегоКазахскийРоднойАнглийскийВыше среднегоРусскийПродвинутый