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Hi there

My name is Nadia, and I am a full-stack data analyst with expertise in data automation, database management, and insightful analysis. I am skilled in Python, PostgreSQL, Apache Airflow, and data visualization using Tableau.

Nadia Martynova's Projects

automated-e-commerce-sales-analysis-pipeline icon automated-e-commerce-sales-analysis-pipeline

Airflow: Automated E-commerce Sales Analysis Pipeline. This data engineering project focuses on automating the process of downloading and integrating incremental sales data from an API into a normalized PostgreSQL database, with daily update of an analytical sql view that showcases the profitability and popularity of different product categories.

data-pipeline-in-airflow-with-metabase-dashboard icon data-pipeline-in-airflow-with-metabase-dashboard

This project focuses on data extraction, transformation, and loading (ETL) processes in an Apache Airflow environment. It consists of two separate DAGs: ETL_stg and ETL_dwh. Technologies used: Apache Airflow, AWS S3, Vertica, Metabase.

fastapi-html-sql icon fastapi-html-sql

Simple "greeting app" to demonstrate connection between HTML pages, SQL database and FastAPI.

retail-sales-analysis icon retail-sales-analysis

This project is an analysis of sales trends and cross-sales dynamics of non-food russian retail shop and share of P&G brand presented in this shop.

store-revenue-correlations icon store-revenue-correlations

These files do not contain the results of code execution due to the non-disclosure agreement. The data analysis was prepared as a solution in the project work for Vkusvill company. The purpose of this analysis was to find some ways to increase profit of "Vkusvill" chain stores by at least 1%.

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