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Oleksandra Mieshkova

Oleksandra Mieshkova

Certified

Data Scientist

Fastback | Canada

Technologies

My Portfolio Highlights

My New Certification

Data Scientist Professional

My New Course

Introduction to Python

My New Project

Dr. Semmelweis and the Discovery of Handwashing

Data conductor, leading the orchestra of insights with analytical finesse.

My Work

Take a look at my latest work.

DataLab

Competition - Everyone Can Learn Python Scholarship

DataLab

Predicting Credit Card Approvals

DataLab

Employee Network Analysis

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My Certifications

These are the industry credentials that I’ve earned.

Data Scientist Professional

Data Scientist Professional

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

My Work Experience

Where I've interned and worked during my career.

Upwork | Jan 2018 - Jan 2019

Data Scientist

- Assistance in the implementation of projects of different complexity; - Assistance in database design and development; - Analysis and evaluation of research results; - Construction of mathematical models in finance sectors, Risk Management with Python. - Creation and description of the algorithms for designed functions and SQL queries in OracleDB. - Participation in the application of and research into, computer science methods and techniques to store, manipulate, transform or present information by means of Computer Systems.
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Aventus Group | Mar 2017 - Aug 2017

Risk Analyst

- Involving in Database Modelling, Data Sampling, and Data Mining activities to assist in business requirements fulfillment and use case validations. - Development of a strategic approach to building predictive models. - Dealing with relational databases using PostgreSQL. - Implementation of credit card risk scoring modelling using R and Python.

Moneyveo.ua | Jan 2016 - Mar 2017

Risk Analyst

- Participation in the formulation of tasks for the development of IT-system. - Data flow management, required for analysis of credit risks. - Identification of key threats and business risks, as well as prioritization of Risk Management. - Analysis of metrics to identify trends in the behavior of users of the loan portfolio that require intervention. - Work with product designers and product managers to design user interactions in application. - Extensive operation with structured, semi-structured and unstructured data. - Continuous use of MySQL for data analysis and reporting. - Comprehensive use of programming languages such as R and Python for ML models creation.

PrivatBank | Jan 2012 - Jan 2016

Data Scientist, Lead Analyst in Risk Management

- Translation business problems into Data Science projects and solutions. - Development and implementation of credit risk policies and procedures. - Building scoring models with SAS Guide, SAS Miner, Python, R. - AB-testing, development and implementation of strategies for automated decision-making project. - Deviation Analysis and identification of the causes for changes in trends. - Maintaining ongoing control over the credit risk rating system to ensure an accurate forecast. - Review of credit applications, Risk Analysis, establishing credit limits so that revenue is maximized and credit risk is limited. - Research and examine credit risks, assess credit history to determine the creditworthiness of existing and potential bank customers. - Preparation of proposals about optimization of control risks.

Cupid plc | Aug 2011 - Jan 2012

Product Analyst

- Analysis of monthly financial results to identify trends and compared to quarterly forecasts and annual financial plan to explain any variances. - Development SQL queries to extract data from a large database associated with dating utilizing proprietary data mining software. - Work with SQL Server Analysis Services (SSAS) that delivers Online Analytical Processing (OLAP) and Data Mining functionality for business intelligence. - Exploratory Data Analysis and Data Mining with Tableau and MS Excel. - Report generation and dashboarding using Tableau and QlikView, writing analytical articles.

My Education

Take a look at my formal education

Master's Degree, System Analyst and ResearcherClassic Private University | 2011

About Me

Oleksandra Mieshkova

I'm passionate about ML, forecasting and data analysis. Among my skills: DB, Python, R, experience in building models in the financial and insurance sectors. The main goal is to deepen my knowledge, as well as to apply it in practice in other areas.

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