Oleh

Oleh Potichnyi
DATA ANALYST
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) Ukraine, Kyiv Github Skype

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Data Analyst with a background in healthcare and pharmaceutical industries. Skilled in SQL, Python,
and data visualization (Tableau, Plotly) to support data-driven decision-making. Experienced in data
wrangling, feature engineering, and machine learning, with a track record of deriving actionable insights
from large datasets to improve healthcare diagnostics.

Skills

Data Analysis
Programming and Data Analysis: Python (Pandas, NumPy), SQL, Excel
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Data Visualization: Matplotlib, Plotly, Tableau
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Database Management: PostgreSQL, SQLite, Redis, MongoDB
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Machine Learning: Data preprocessing, feature engineering, model development in healthcare
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Software Development Practices: Agile, TDD, Git/GitHub
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Other: Django, FastAPI, Flask, ML
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English: Intermediate
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Professional Experience

07/2024 – present Data Analyst, Machine Learning Engineer, LAB325
Odesa, Ukraine Responsibilities:
Analyzed and interpreted medical records and clinical data to support decision-
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making in healthcare diagnostics
Conducted data cleaning and preprocessing on large datasets, preparing them
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for machine learning models to support diagnostic accuracy
Developed and trained machine learning models in Python for predictive
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analytics and diagnostic support in healthcare, ensuring clinical relevance and
accuracy.

10/2022 – 06/2024 Python Developer, Freelance Experience
Kyiv, Ukraine Responsibilities:
Writing and testing code
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Web development (Django, Flask, FastAPI)
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Database management (PostgreSQL, SQLite, Redis) using ORM
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Using the version control system (Git)
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Continuous training and improvement of existing skills.
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 Projects

07/2024 – 10/2024 Healthcare Diagnostic and Treatment Support Model
Developed a machine learning model for clinical decision-making support using
Python and healthcare data, resulting in enhanced diagnostic accuracy and
optimized treatment workflows.

Agency_render, Online Newspaper Agency
Management System featuring an authentication function for editors and users, an
admin panel for advanced management, and tracking of editors, newspapers, and
article topics directly from the site interface

Social_media_GH, Social Online Media
A web-based social media project enabling account creation, post sharing, profile
management, and real-time post scheduling with Celery-powered background task
integration

Previous Experience

I worked in pharmaceutical companies: "Egis" (Hungary), "Richter Gedeon" (Hungary), "Polfa" (Poland),
"Scan Biotech" (India), and "Microkchim" (Ukraine). Some achievement:
Introduced 4 prescription drugs to the market with an annual budget of 10 M to 50 M UAH, 2 of the launched
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brands in 3 years entered the TOP-3 out of 15 in their competitive niches in hryvnias ("Microkchim");
Optimized the work in the chain of the "Richter Gedeon" plant - customs warehouse - partner distributors,
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which in 4 years led to a 2-fold increase in the share of sales of the Plant's products by these distributors;
Formed a team that, in three years brought 6 pharmaceuticals to the market, 2 of which became leaders in
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their competitive niches in UAH, increased sales of the "Polfa" plant 6-fold (from USD 600 K to USD 3.6 M)
Before - surgeon, anesthesiologist of the district hospital

Education

Data analyst course, Python course, Machine Learning and Neural Networks. Online full-time
education, Mate academy
Kyiv Medical Institute, medical affair
Lviv National Medical University, pharmacist

Additional Education

https://www.udemy.com/
• Course deep learning
CodeWars (4 kyu Kata Completed)
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Books:
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2021 | Python Crash Course by Eric Mattes
2020 | Learning Python, 5th Edition by Mark Lutz
2019 | Grokking Algorithms by Aditya Bhargava

Personal Blog Article

An article about me on DOU