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KonstantinLokotunin/README.md

Header

Hi, I'm Konstantin 👋

Data Analyst | Data Pipelines & Reporting | Python, SQL, Power BI Python • SQL • Power BI

🚀 About Me

Data professional with 3+ years of Big 4 ESG & sustainability consulting experience, now transitioning into data engineering and analytics.

I specialize in:

  • turning complex, multi-source datasets into valuable insights
  • building modular data workflows (ETL-style projects)
  • designing clear, decision-ready visualizations

Currently expanding into:

  • data engineering pipelines
  • machine learning fundamentals
  • scalable analytics systems

🧠 Tech Stack

Languages & Tools

• Python (Pandas, NumPy, Matplotlib, Seaborn) • SQL(PostgreSQL) • Power BI

Core Skills

  • API ingestion
  • Data Analysis & Transformation
  • ETL Pipelines
  • Time-Series Analysis
  • Data Visualization
  • KPI & Reporting Systems

📊 Featured Projects

⚡🌍 Enerlytics — Energy Data Platform

Energy market intelligence dashboard analyzing European fuel prices, volatility, and macro trends using real-world EU data (Python, Streamlit).

👉 View Project

🌀🌦️ AtmosPulse — Weather Intelligence Engine (Python, API, Time-Series)

Time-series weather analytics system for analyzing climate trends and environmental data using Python, APIs, and data visualization.

👉 View Project

📊⚙️ MetricForge — Business KPI Analytics Dashboard (NumPy, Matplotlib)

Business analytics dashboard for KPI tracking, performance analysis, and data visualization using Python (Pandas, Matplotlib).

👉 View Project

🧠📈 HabitFlux — Behavioral Tracking & Insights System (Python)

Data-driven habit tracking tool in Python — analyze daily and weekly streaks, completion rates, and visualize consistency with heatmaps.

👉 View Project

🎯 What I'm Currently Building

  • Data engineering projects (pipeline design, modular architecture)
  • Machine learning fundamentals for structured data
  • Portfolio focused on real-world, production-style workflows

💼 Background

  • Senior Associate (ESG & Sustainability) — Big 4, Vienna (AT)
  • Built standardized, data-driven sustainability reporting structures, supporting compliance and high-quality disclosures for 8+ major industry clients
  • Worked with ESG datasets, KPIs, and regulatory frameworks (ESRS, EU_Taxonomy, GRI, SASB)

🌍 Languages

German (Native) • Russian (Native) • English (C2) • French (C1)

📫 Connect With Me

Pinned Loading

  1. HabitFlux HabitFlux Public

    Data-driven habit tracking tool in Python — analyze daily and weekly streaks, completion rates, and visualize consistency with heatmaps.

    Python 1

  2. MetricForge MetricForge Public

    Business analytics dashboard for KPI tracking, performance analysis, and data visualization using Python (Pandas, Matplotlib).

    Python 1

  3. AtmosPulse AtmosPulse Public

    Time-series weather analytics system for analyzing climate trends and environmental data using Python, APIs, and data visualization.

    Python 1