Hi there! 👋
I'm Denys Cherednychenko.
From Kharkiv to Barcelona, I'm a Data Science & Engineering student at UPC working at the intersection of AI, Data, and Software. Analytical mindset, mathematical thinking, and a builder mentality. Curious, technical, and always shipping.
ABOUT
I'm a Data Science & Engineering student at UPC working at the intersection of three pillars: AI, Data, and Software. I bring an analytical, mathematical mindset to everything I build, from AI-powered applications to automated data pipelines.
Born in Kharkiv, Ukraine (2005), I moved to Barcelona in 2017 and never stopped learning: 15+ freelance projects on Upwork and a Data Science role at Technip Energies. I'm deeply curious about sports analytics, intelligent systems, agents, and the intersection of AI, data, and software engineering.
I think like a builder with a strong mathematical foundation. I stay on top of the latest in AI and industry trends, speak 5 languages natively or proficiently, and I'm always looking for the next challenge that pushes me to ship something meaningful.
My Journey
Journey Timeline
Data Scientist @ Technip Energies
Sep 2025 - Present
Managed and cleaned large-scale employee datasets for HR and project teams. Developed Power BI dashboards to track workforce metrics. Automated reporting pipelines, reducing manual workload and improving turnaround time.
Barcelona, Spain
Freelance Data Specialist @ Upwork
Aug 2022 - Present
Completed 15+ data-focused projects with over 200 hours logged. Specialized in large-scale data cleaning, transformation, and automation using Python and Excel. Built scripts to automate repetitive workflows and delivered actionable insights to clients.
Remote / Barcelona
Where It All Started
2005 - 2017
Born and raised in Kharkiv, Ukraine. This is where my curiosity for technology, mathematics, and problem-solving began. Moved to Barcelona in 2017, carrying an analytical mindset ever since.
Kharkiv, Ukraine
SKILLS
Languages
AI & Data
Backend / Data
Cloud & DevOps
Databases
Tools & More
Architecture
Methodologies
PROJECTS
Football AI Analysis
LiveAI-powered football match analysis pipeline. Upload any video and get player tracking, team detection via K-Means clustering, speed & distance in metres, and ball possession stats. Six sequential computer vision modules from detection to annotation.
Airbnb Price Predictor
LiveML-powered web app that predicts the fair nightly price of any Airbnb listing worldwide. Paste an Airbnb URL or fill a form — get an estimated price in local currency, confidence range, and feature importance. Trained on ~500K listings across 24 cities with XGBoost (R² ≈ 0.97).
EDUCATION
B.Sc. in Data Science and Engineering
Universitat Politecnica de Catalunya (UPC)
Barcelona, Spain
C2 Proficiency (CPE)
Cambridge English
English Proficiency