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Bruno Helmeczy

Bruno Helmeczy

Data Scientist

Central European University | Budapest

Technologies

My Portfolio Highlights

My New Course

Introduction to Python

My New Course

Introduction to Python

Data ninja, stealthily extracting insights from complex datasets.

My Work

Take a look at my latest work.

course

Introduction to Python

DataLab

Course notes: Unit Testing for Data Science in Python

course

Introduction to Python

DataCamp Course Completion

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

Courses

Introduction to Python
Introduction to Power BI
Introduction to R
Intermediate Python

My Work Experience

Where I've interned and worked during my career.

Blackrock | Jul 2023 - Present

Data Scientist

* Develop & Deploy NLP Models to Automate Client coverage Decisions & Estimate Product Popularity * Develop & Optimize ETLs & Dashboards - Reduced ELT data usage by 90%; Execution time by 95% * Develop internal Utility packages & tools; Enabled CI-CD; CoPilot; Local VS Code development * Tech: Python, SQL, Bash, Azure, Git, Tableau
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Emarsys Technologies - an SAP Company | Mar 2022 - Jun 2023

Data Scientist

* Develop KPI frameworks for data-driven product development & decision-making using R, SQL * Optimize & Maintain ELT pipelines using Docker, GCP, GAP, Bash, dbt * End-2-End Develop, Enhance, Own Product Usage & Client Profiling R Shiny Dashboards * Develop Custom Reports with R Shiny, RMarkdown, Plotly, DataTables.js, HTML & CSS * Reduced ELT data usage & costs by 90%, Dashboards' load times by 90%, memory usage by 98%

Archipelago International | Apr 2021 - Jan 2023

Graduate Researcher & Data Science Consultant

* Develop R Shiny Dashboard for Corporate & Hotel-level decision-making – R Shiny, JS, HTML, CSS * Design & Implement Automated RMarkdown Reporting to deliver insights for hotels via Shiny platform * Develop & Implement Time Series Regression Models to Forecast Daily Room Sales for 145 hotels * MSc Thesis: Improved Models for 43/140 hotels: Estimated +60k EUR /yr Chain-Level Added Value

Morgan Stanley | May 2021 - Feb 2022

Quantitative Model Developer

* Model, Validate, Forecast & Monitor Balance Sheet items’ time series in R for CCAR stress-testing * Re-Factored R codebase for 6x Speed-up for Stationarity Testing & Partitioned Model Generation * Automated Presentation Material with R & VBA; Data Extraction from public PDF files with R

My Education

Take a look at my formal education

MSc Business Analytics in Data ScienceCentral European University | 2021

About Me

Bruno Helmeczy

Organized, adaptable Data Scientist with 4 years’ Analytics-, & 5 years’ Hospitality experience. Projects in Dashboarding, Time Series, Machine Learning, Text Analytics & Web-Scraping using Python, R, SQL, GCP, dbt & Tableau. Proven skills in delive

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