Yaroslav D.

Depending on your business goals, I can help streamline and organize processes related to data collection, storage, transmission, cleaning, analysis, and insights extraction from your data. My experience stems from working with startups, small, and global businesses across various industries: retail, education, marketing, real estate, etc. I can assist you with: In the field of data analysis: - Data collection - Data cleaning - Data analysis - Data visualization - Interpretation of analysis results - Identifying patterns or trends In the field of data engineering: - Database migration - Setting up data lakes and data warehouses - Configuring ETL pipelines Chatbots: - Scripted chatbots: Lead generation, Onboarding, Testing (staff evaluation, psychological tests), Dialogue simulation (for training or assessment), Data collection, Educational courses - AI-based chatbots Technology stack I work with: - Databases: MySQL, PostgreSQL, BigQuery - Data analysis: SQL, R, Python, Excel, Google Sheets, Looker - Visualization: Looker Studio, Tableau, Power BI, D3.js, Charts.js - DevOps: GitHub Actions, Terraform - Programming languages: Python, JavaScript, R - Testing: Jest, Pytest - IDEs: VSCode, RStudio, PyCharm, WebStorm, DataGrip - Chatbot builders: Chatfuel, ManyChat, [login to view URL], SendPulse - No-code services: make (Integromat), Zapier ❗️IMPORTANT: I do not work with companies and markets related to Russia or Belarus. I do not participate in projects related to the gambling business.