Nadya Data Analyst, Economic Processes Analysis & Modelling

Experience:

DATA ANALYST, Real Estate

May 2021 - Now

Forecasting of real estate pricing:

• Regression analysis for trends
• Moving windows to consider mostly the newest history
• Seasonal analysis
• Microcycles and large- and medium economical cycles analysis using Fourier approach and patterns recognition

Technologies: Python, python libraries: pandas, numpy, sklearn, scipy, seaborn, matplotlib, plotly

DATA ANALYST, AMAZON FBA PROJECT

July 2020 - April 2021 

Company with over 15,000 best-selling products across multiple categories and marketplaces.

• Development of Analytical Dashboards
• ETL implementation for returns and orders data
• Data cleaning, validation, reconciliation
• Preparing of BI Reports using Periscope based on AWS
• Building causal impact estimation for significant sales dynamics changes

Technologies: Periscope, SQL, Python (Pandas, NumPy, Plotly), R (CausalImpact)

DATA SCIENTIST, DEVELOPER & PROJECT MANAGER

March 2018 – 2020
Responsibilities:
- Development of Analytical Platform using Nonlinear Dynamical approach and NLP combined
- Preparing of BI Reports using Periscope based on AWS
- Development, implementation, support and enhancement of forecasting systems for cryptos, metals and currencies basing on nonlinear dynamics models; creation of own nonlinear forecasting algorithms
- Work on Adverts parsing and processing projects
- Development of interactive 3D Globe for Economic Data Visualization
- Developing Web applications on ASP.NET Core – e.g. Web API, EF for the following systems:
    - Medical data storage system
    - Financial flows system
    - Global hotels booking system
- Development of interfaces for booking portals
- Different projects for website optimization and development
Technologies: Python (Pandas, NumPy, Plotly, NLTK, Matplotlib, SciPy, TensorFlow, Dash, Flask, etc.), R (Shiny, dplyr, tidyr, caret, rEDM, etc.), C#, Elixir, JavaScript, Microsoft SQL Server

SENIOR MATHEMATICIAN, DATA SCIENTIST

August 2016 – February 2018
Responsibilities:
- Development, implementation, support and enhancement of forecasting systems for sales indices
- Creation of analytical and forecasting products basing on multi-dimensional nonlinear forecasting, multi-models forecasting systems, nearest neighbors, ridge regression, logistic regression, random forest, cluster analysis, factor analysis, principal component analysis
- Preparing multiple decks on the project results for the clients
Technologies: R (Shiny, caret, rEDM, etc.), Python (Pandas, NumPy, Matplotlib, SciPy), PostgreSQL

PROJECT MANAGER, ECONOMIC PROCESSES MODELING EXPERT

March 2008 – August 2016
Responsibilities:
- More than 30 successful industrial market research projects: market research and modeling, SWOT and COST analysis, market niches identification, market volumes and sales forecasting, etc.
- Development and implementation of forecasting and classification systems for a number of subscribers for information & analytical products
- Development and implementation of a nonlinear forecasting system for price forecasts
- Construction of optimization models for industrial markets for deep analysis of structure and prospects of the markets
- Development and implementation of the unique charts format (including Cost Curve and others) 
- Participation in international conferences

Education:

Oles Honchar Dnipro National University

- Mathematician (Statistics & Probability Theory, Master's degree2003 – 2008; PhD (ABD), 2009 - 2013)

- Economist (Enterprise Finances, Bachelor's degree, 2006 - 2009)