Nadya, Data Scientist, Data Analyst & BI
C2 (Proficiency) English
Senior (5-10 years)
Ukraine
UTC+02:00
Summary
- 10+ years in Forecasting, Analytics & Math Modelling
- 8 years in Business Analytics and Economic Processes Modelling
- 5 years in Data Science
- 5 years in Financial Forecasting Systems
- Master of Statistics and Probability Theory (diploma with honours), PhD (ABD)
- BSc in Finance
- Strong knowledge of Math & Statistics
- Strong knowledge of R, Python, VBA
- Strong knowledge of PostgreSQL and MS SQL Server
- 3 years in Web Development: Knowledge of C#, .Net and JavaScript for web development
- Self-motivated, conscientious, accountable, addicted to data processing, analysis & forecasting
- Engineering, Understanding AI and LLMs
Main Skills
Programming Languages
AI & Machine Learning
.NET Platform
R Libraries and Tools
JavaScript Libraries and Tools
Python Frameworks
Python Libraries and Tools
R Frameworks
Data Analysis and Visualization Technologies
Databases & Management Systems / ORM
Cloud Platforms, Services & Computing
Third Party Tools / IDEs / SDK / Services
Version Control
SDK / API and Integrations
Operating Systems
Experience:
DATA SCIENCE & 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 degree 2003 – 2008; PhD (ABD), 2009 - 2013.
- Economist (Enterprise Finances, Bachelor's degree) 2006 - 2009.