VALERII ARLAMOVSKYI

Junior Data Analyst

Junior Data Analyst with experience in SQL, Python (Pandas, NumPy), and data visualization. Skilled in data cleaning, exploratory data analysis, and transforming raw data into actionable business insights. Experienced with key metrics (retention, churn, conversion, revenue), A/B testing, cohort analysis, and basic statistics. Detail-oriented, analytical, and a fast learner.

Project Experience

Movie Dataset Exploratory Data Analysis (EDA)

Tools: Python, Pandas, NumPy, Matplotlib, Seaborn, Jupyter Notebook

Description: Conducted EDA on Wikipedia movie datasets to analyze production trends, genres, cast, directors, release patterns across decades.

Tasks: Cleaned JSON datasets, conducted EDA and statistical analysis, and visualized movie industry trends.

Result: Identified long-term trends in film production, genre distribution, and industry evolution across multiple decades.

Mobile Game Activity & Revenue Analytics Dashboard

Tools: Tableau, LOD Expressions, Table Calculations

Description: Created Tableau dashboards to analyze player activity, Battle Pass engagement, gameplay time, and revenue performance.

Tasks: Applied LOD expressions and Table Calculations; built cohort analysis, New MRR, and revenue growth metrics.

Result: Delivered interactive dashboards with insights into user engagement, revenue trends, and cohort performance.

Stack Overflow Survey Data Analysis

Tools: Python, Pandas, NumPy, Jupyter Notebook

Description: Explored Stack Overflow survey data to analyze developer demographics, programming languages, education paths, and compensation trends.

Tasks: Cleaned and structured survey data; applied descriptive statistics and segmentation; analyzed key variables across demographics and technologies.

Result: Revealed trends in developer experience, education, and technology usage across countries and roles.

Work Experience

Valks Machinery

February 2024 – Present

CNC Operator

  • Operated milling machines and ensured product quality and technical compliance.
  • Maintained production records and tracked key metrics (output, defects, downtime)
  • Identified process inefficiencies and contributed to workflow improvements

Shop "ATB"

2017-2022

Assistant Store Manager

  • Managed daily store operations, improving efficiency and customer service
  • Monitored inventory levels and optimized stock control, reducing product shortages
  • Maintained internal documentation and ensured accurate reporting of sales and inventory data

Education

IT School GoIT Data Analyst

January 2026 | Canada

IT School GoIT Fullstack Developer

November 2022 - October 2023 | Poland

Vinnytsia Trade and Economic Institute of Kyiv National Trade and Economic University

Accounting and Audit

September 2009 - June 2014 | Ukraine