Oleksii Tyshchenko
Senior Data Scientist
Grant Thornton Czech Republic s.r.o. | Ostrava, Czech Republic
Technologies
My Portfolio Highlights
Big Data Fundamentals with PySpark
Data Scientist
MLOps for Business
Big Data Fundamentals with PySpark
Turning complex data into actionable insights.
My Work
Take a look at my latest work.
Project: Developing Multi-Input Models For OCR
Project: Predicting Temperature in London
Project: Building a Demand Forecasting Model
Project: Evaluate a Manufacturing Process
Course: Building AI Agents with CrewAI
Project: Finding Exchange Rates for International Sales
Project: Classifying Emails using Llama
Course: Building AI Agents with Haystack
Course: Multi-Agent Systems with LangGraph
Project: Debugging a Sales Data Workflow
Course: Building AI Agents with Google ADK
Course: End-to-End RAG with Weaviate
Project: Building RAG Chatbots for Technical Documentation
Project: Building a Retail Inventory Management System
Project: Combating Subscriber Churn with Targeted Marketing
Course: Building Agentic Workflows with LlamaIndex
Course: Text-to-Query Agents with MongoDB and LangGraph
Project: Topic Analysis of Clothing Reviews with Embeddings
Project: Cleaning an Orders Dataset with PySpark
My Certifications
These are the industry credentials that I’ve earned.

AI Fundamentals

Data Literacy
Other Certificates
365 Data Science Python for Finance
365 Data Science Dates and Times in Python
365 Data Science Machine Learning in Python
365 Data Science Blockchain for Business
LinkedIn Learning LLM Foundations: Vector Databases For Caching and Retrieval Augmented Generation (RAG)
Analytics Vidhya Getting Started with OpenAI o3-mini
Analytics Vidhya xAI Grok 3: Smartest AI on Earth
Analytics Vidhya Getting started with DeepSeek
Analytics Vidhya Deep Dive Into QwQ- 32B
Prometheus Business Analyst
Analytics Vidhya Foundations of Model Context Protocol
Analytics Vidhya GenAI Landscape
Analytics Vidhya Revolutionizing Query Resolution with a RAG System and AI Agents
Analytics Vidhya Building Intelligent Chatbots using AI
Analytics Vidhya Demystifying OpenAI Agents SDK
Analytics Vidhya Building Data Analyst AI Agent
Analytics Vidhya Knowledge Bases & Memory for Agentic AI
Analytics Vidhya Building Agentic AI system with Bedrock
Analytics Vidhya Coding a ChatGPT-style Language Model from Scratch in PyTorch
Analytics Vidhya Building a Customized Newsletter AI Agent
Analytics Vidhya Build a Resume Review Agentic System with CrewAI
Analytics Vidhya Reimagining GenAI: Common Mistakes and Best Practices for Success
Analytics Vidhya End-to-end RAG Application Development with LangChain and Streamlit
Analytics Vidhya Building a Collaborative Multi-Agent System with LangGraph
Analytics Vidhya n8n: A Complete Guide to the Automation Tool
Analytics Vidhya Vibe Coding with Replit
Analytics Vidhya Guide to Vibe Coding in Windsurf.
Analytics Vidhya Model Deployment using FastAPI
Analytics Vidhya Nano Course: Building Large Language Models for Code
Analytics Vidhya Introduction to CrewAI: Building a Researcher Assistant Agent
Analytics Vidhya Building Database Agent
Analytics Vidhya How to Build an Image Generator Web App with Zero Coding
365 Data Science Senior Data Scientist [a career track]
365 Data Science Machine Learning Scientist [a career track]
365 Data Science Senior Data Analyst [a career track]
365 Data Science Data Analyst [a career track]
365 Data Science Data Engineer [a career track]
365 Data Science Data Scientist [a career track]
365 Data Science AI Engineer [a career track]
365 Data Science The Complete Data Visualization Course with Python, R, Tableau, and Excel
365 Data Science Machine Learning in Excel
365 Data Science Negotiation
365 Data Science Agile and Scrum Project Management
365 Data Science Excel for Project Management
LinkedIn Learning Trello for Agile Teams
LinkedIn Learning Agile Software Development: Transforming Your Organization
LinkedIn Learning Agile Project Leadership
LinkedIn Learning Software Project Management Foundations
LinkedIn Learning Transitioning from Waterfall to Agile Project Management
LinkedIn Learning Scrum: Advanced
LinkedIn Learning A Tour of the SAP Cloud Platform
LinkedIn Learning Agile Product Owner Role: Techniques
LinkedIn Learning Enterprise Agile: Growing Scrum
LinkedIn Learning Enterprise Agile: Changing Your Culture
LinkedIn Learning Business Analytics Foundations: Competencies
IBM Deep Learning
LinkedIn Learning (PMI) Decision Intelligence
LinkedIn Learning Applied Machine Learning: Ensemble Learning
365 Data Science A/B Testing in Python
365 Data Science AI Applications for Business Success
365 Data Science Data-Driven Business Growth
LinkedIn Learning Introduction to Attention-Based Neural Networks
LinkedIn Learning SAP S/4HANA Essential Training
365 Data Science Introduction to LLMs
365 Data Science Intro to NLP for AI
365 Data Science Probability
365 Data Science Time Series Analysis with Python
365 Data Science Machine Learning with K-Nearest Neighbors
365 Data Science The Machine Learning Algorithms A-Z
365 Data Science Mastering Key Performance Indicators (KPIs)
365 Data Science Statistical Tests in Sales and Marketing
365 Data Science Intro to Data Engineering
365 Data Science Data Analysis with ChatGPT
365 Data Science Intro to ChatGPT and Generative AI
LinkedIn Learning Advanced Power BI: DAX Language, Formulas, and Calculations
LinkedIn Learning SAP ERP Essential Training
365 Data Science Product Management for AI & Data Science
365 Data Science Machine Learning with Ridge and Lasso Regression
365 Data Science Machine Learning Deep Dive Business Applications and Coding Walkthroughs
365 Data Science Machine Learning with Decision Trees and Random Forests
365 Data Science Deep Learning with TensorFlow 2
365 Data Science Introduction to Tableau
365 Data Science Convolutional Neural Networks with TensorFlow in Python
Prometheus Data analysis and statistical inference in R
Kaggle Python
Kaggle Data Cleaning
365 Data Science Power BI
Kaggle Pandas
Kaggle Intermediate Machine Learning
LinkedIn Learning Learning SAP Production Planning
365 Data Science Introduction to DAX
365 Data Science Machine Learning with Naïve Bayes
365 Data Science Machine Learning with Support Vector Machines
365 Data Science Mathematics
365 Data Science Power Query and Data Modeling
365 Data Science Python for Social Media Analytics
365 Data Science SQL for Data Science Interviews
LinkedIn Learning SAP S/4HANA: Beyond the Basics
LinkedIn Learning Agile for Distributed Teams
LinkedIn Learning Excel: Managing and Analyzing Data
LinkedIn Learning Advanced Agile: The Team's Mindset
365 Data Science Advanced Microsoft Excel
365 Data Science Advanced SQL
365 Data Science Advanced SQL for Data Engineering
LinkedIn Learning Agile Foundations
LinkedIn Learning Agile Product Owner Role: Foundations
LinkedIn Learning Fail Better: Using Mistakes to Improve Performance
LinkedIn Learning Product Management Tips
LinkedIn Learning Scrum: The Basics
365 Data Science Building Business Reports Using Power BI
365 Data Science ChatGPT for Data Science
365 Data Science Data Analysis in Power BI with ChatGPT
365 Data Science Data Analysis with Excel Pivot Tables
365 Data Science Data Cleaning and Preprocessing with pandas
365 Data Science Git and GitHub
365 Data Science Intermediate Python Programming
LinkedIn Learning Introduction to SAP BI/BW
LinkedIn Learning Learning SAP SD (Sales and Distribution)
365 Data Science Marketing Strategy
365 Data Science Project Management
365 Data Science Persuasion and Influence
LinkedIn Learning GPT-4 Turbo: The New GPT Model and What You Need to Know
LinkedIn Learning MLOps Essentials: Monitoring Model Drift and Bias
LinkedIn Learning Azure OpenAI: Generative AI Models and How to Use Them
LinkedIn Learning Looker Studio for Beginners
365 Data Science Introduction to Vector Databases with Pinecone
365 Data Science Build Chat Applications with OpenAI and LangChain
365 Data Science Corporate Strategy
365 Data Science Introduction to Data and Data Science
LinkedIn Learning Learning SAP MM (Materials Management)
365 Data Science Working with Text Files in Python
365 Data Science Introduction to Business Analytics
365 Data Science Data Preprocessing with NumPy
365 Data Science Management
365 Data Science AI Strategy
365 Data Science Power BI Developer [a career track]
365 Data Science Copilot in Excel
365 Data Science Advanced Time Series Analysis with Python
365 Data Science Tableau Developer [a career track]
365 Data Science AI Agent Architecture
365 Data Science AI Agents in Practice
365 Data Science Introduction to Amazon Bedrock
DataCamp Course Completion
Take a look at all the courses I’ve completed on DataCamp.
Courses
Tracks
My Work Experience
Where I've interned and worked during my career.
Grant Thornton Czech Republic s.r.o. | Feb 2025 - Present
AI / Data Science Consultant [Audit & Tax Consulting]
Outlier | Dec 2024 - Present
Python Coder / AI Trainer - Tier 3
University of Ostrava, Institute for Research and Applications of Fuzzy Modeling | Feb 2018 - Jun 2023
Researcher IV (Leading Researcher)
Kharkiv National University of Radio Electronics | Feb 2014 - Aug 2018
Senior Researcher
Kharkiv National University of Radio Electronics, Control Systems Research Laboratory | Nov 2013 - Jan 2014
Researcher
Kharkiv National University of Radio Electronics, Control Systems Research Laboratory | Nov 2012 - Oct 2013
Junior Researcher
My Education
Take a look at my formal education
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