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I am an experienced Data Analyst with over 5 years of expertise in marketing metrics, Python, SQL, data insights, A/B test design, and data visualization. I specialize in driving growth in subscription-based products and leading cross-functional teams to achieve impactful data-driven results. Currently, I provide freelance consulting and tutoring services where I help small businesses implement efficient data systems and mentor beginners in data analytics. I am proficient in a wide range of tools and techniques including PostgreSQL, Python libraries like Pandas and TensorFlow, data visualization platforms like Power BI and Tableau, and machine learning models. Passionate about applying data science to solve complex problems, I continuously improve internal tools and optimize dashboards to increase efficiency and decision making.…I am an experienced Data Analyst with over 5 years of expertise in marketing metrics, Python, SQL, data insights, A/B test design, and data visualization. I specialize in driving growth in subscription-based products and leading cross-functional teams to achieve impactful data-driven results. Currently, I provide freelance consulting and tutoring services where I help small businesses implement efficient data systems and mentor beginners in data analytics. I am proficient in a wide range of tools and techniques including PostgreSQL, Python libraries like Pandas and TensorFlow, data visualization platforms like Power BI and Tableau, and machine learning models. Passionate about applying data science to solve complex problems, I continuously improve internal tools and optimize dashboards to increase efficiency and decision making.

Budimir Voroshilov

Data Analyst, Data Scientist, AI Engineer, +2

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I am an experienced Data Analyst with over 5 years of expertise in marketing metrics, Python, SQL, data insights, A/B test design, and data visualization. I specialize in driving growth in subscription-based products and leading cross-functional teams to achieve impactful data-driven results. Currently, I provide freelance consulting and tutoring services where I help small businesses implement efficient data systems and mentor beginners in data analytics. I am proficient in a wide range of tools and techniques including PostgreSQL, Python libraries like Pandas and TensorFlow, data visualization platforms like Power BI and Tableau, and machine learning models. Passionate about applying data science to solve complex problems, I continuously improve internal tools and optimize dashboards to increase efficiency and decision making.…I am an experienced Data Analyst with over 5 years of expertise in marketing metrics, Python, SQL, data insights, A/B test design, and data visualization. I specialize in driving growth in subscription-based products and leading cross-functional teams to achieve impactful data-driven results. Currently, I provide freelance consulting and tutoring services where I help small businesses implement efficient data systems and mentor beginners in data analytics. I am proficient in a wide range of tools and techniques including PostgreSQL, Python libraries like Pandas and TensorFlow, data visualization platforms like Power BI and Tableau, and machine learning models. Passionate about applying data science to solve complex problems, I continuously improve internal tools and optimize dashboards to increase efficiency and decision making.

Available to hire

I am an experienced Data Analyst with over 5 years of expertise in marketing metrics, Python, SQL, data insights, A/B test design, and data visualization. I specialize in driving growth in subscription-based products and leading cross-functional teams to achieve impactful data-driven results. Currently, I provide freelance consulting and tutoring services where I help small businesses implement efficient data systems and mentor beginners in data analytics.

I am proficient in a wide range of tools and techniques including PostgreSQL, Python libraries like Pandas and TensorFlow, data visualization platforms like Power BI and Tableau, and machine learning models. Passionate about applying data science to solve complex problems, I continuously improve internal tools and optimize dashboards to increase efficiency and decision making.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Advanced

Russian

Fluent

Work Experience

Data Analytics Consultant at Freelance

November 1, 2023 - Present

Part-time remote role assisting small businesses and influencers in data collection from multiple sources (Telegram, Instagram, TikTok, GA4). Developed an LLM-powered pipeline for automated content monitoring on social platforms, integrated data visualization solutions across Grafana, Superset, and Databricks, and trained machine learning models for price prediction, sentiment analysis, and user behavior analysis. Conducted audience sentiment analysis in Telegram chats to improve client content strategies.

Data Analyst Tutor at Freelance

November 1, 2023 - Present

Part-time remote tutor providing personalized sessions on data analysis concepts and practical applications. Delivered hands-on training in Excel, SQL and Python for data cleaning and manipulation, guided creation of dashboards in Power BI and Tableau, taught statistics and hypothesis testing, developed problem-solving skills using case studies, and mentored learners in tools like SQL, Python, Excel, Power BI and Tableau.

Data Analyst at Wildberries

November 1, 2023 - September 5, 2025

Remote full-time role collaborating with Marketing, Product, and Customer Support teams. Analyzed key marketing metrics and established data pipelines. Developed ML models for user behavior and trend forecasting, improved internal A/B testing platform and dashboards in Redash, Superset, and Tableau. Achievements included increasing conversion rate by 3%, boosting monthly revenue by over $1 million, enhancing user acquisition funnels, implementing SPRT for A/B tests, redesigning dashboards, and optimizing SQL queries to reduce load times significantly.

Product Analyst at Rocketbank

January 31, 2021 - September 5, 2025

On-site full-time role focused on mobile and web traffic analysis using Appsflyer and Google Analytics. Analyzed marketing events, forecasted budgets, participated in A/B test design and analysis using Python statistical libraries, performed SQL queries in PostgreSQL, and reported product metrics to marketing teams with Redash and Power BI. Contributed to product improvement through insights and enhanced project workflows.