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gooliverani/README.md

Hi 👋, I'm Vladimir Vukojičić

Operations & Security Professional | Data Analytics Enthusiast

LinkedIn Profile Views

🧑‍💼 About Me

I'm an operations and security professional with 18+ years of experience across hospitality and 8 years in security environments spanning the EMEA and APAC regions. My career has been built on reliability, process discipline, and data-driven decision making in high-responsibility environments.

In my current role as a Control Room Officer at NCR Voyix in Belgrade, Serbia, I work extensively with security systems, access control platforms, and operational data. Through hands-on projects, I have expanded my skill set into data analytics — transforming raw operational data into actionable insights.

  • 🔭 Currently working on security analytics & operational dashboards
  • 🌱 Expanding my skills in Python, SQL, Tableau and Power BI
  • 📍 Based in Belgrade, Serbia
  • 💼 Open to opportunities in Data Analytics · Security Analytics · Data Engineering · Hybrid Operational/Data Roles

🎯 Focus Areas

Area Description
📊 Dashboards Building interactive Power BI and Tableau dashboards for operational visibility
🗃️ SQL & Data Writing SQL queries for data extraction, analysis, and reporting
🐍 Python Data cleaning, transformation, and automation scripts
🔐 Security Ops Monitoring and improving security & access control processes
📈 Decision Support Supporting data-driven decision making in daily operations

📂 Featured Projects

Project Description Tech
🐍 python_projects A collection of Python projects for data cleaning, transformation, and automation Python

🛠️ Tech Stack

Python SQL Power BI Tableau Excel Git GitHub

💼 Professional Highlights

  • 🏢 Control Room Officer at NCR Voyix (Nov 2020 – Present)
  • 🌍 Monitored and managed access control systems across 20+ locations
  • 👥 Supported daily security operations for facilities serving 15,000+ employees/visitors
  • 📊 Built Power BI and Tableau dashboards to track security metrics and operational KPIs
  • 🗃️ Used SQL and Excel to extract and analyze data from internal systems
  • 🔍 Analyzed incident and access data to identify patterns and improve response procedures
  • 🤝 Collaborated with cross-functional teams to improve compliance and reporting accuracy

💡 What Differentiates Me

My combination of long-term operational experience and modern data analytics skills. I understand real-world business processes and know how to translate data into practical improvements.

📫 Let's connect! Feel free to reach out via LinkedIn.

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  1. databricks_bootcamp_2026 databricks_bootcamp_2026 Public

    End-to-end Data Lakehouse project built on Databricks, following the Medallion Architecture (Bronze, Silver, Gold). Covers real-world data engineering and analytics workflows using Spark, PySpark, …

    Jupyter Notebook

  2. sql-data-analytics-project sql-data-analytics-project Public

    This repository contains a collection of SQL scripts demonstrating various analytical techniques, such as changes over time, cumulative, performance, data segmentation, part-to-whole analysis.

    TSQL

  3. sql-data-warehouse-project sql-data-warehouse-project Public

    Building a modern data warehouse with SQL Server, including ETL processes, data modeling, and analytics

    TSQL

  4. Tableau_Projects Tableau_Projects Public

    This repository is a collection of Tableau dashboards I've developed. It tracks my journey in using Tableau, from foundational visualizations to more advanced interactive analyses, all aimed at tur…

    Python

  5. Power_BI_Dashboards Power_BI_Dashboards Public

    This repository is a collection of Power BI dashboards I've developed. It tracks my journey in using Power BI, from foundamental reports to more advanced interactive analyses, all aimed at turning …

  6. python_projects python_projects Public

    A collection of Python projects demonstrating core programming concepts including object-oriented programming, file handling, data validation, and interactive command-line applications.

    Python