Welcome to Tolga Boroglu's Blog

I’m a data scientist , using this website to showcase my projects, share insights, and connect with others in the field. Explore my portfolio and blog for tutorials, visualizations, and updates. Let’s collaborate!

Collaborate

As a data scientist , I leverage my skills to create impactful projects and share valuable insights through my portfolio and blog. Let's connect and explore collaboration opportunities.

Experience

TEMSA
Data Analyst (Project Based) - 08/2024 - 01/2025

  • Data Preparation with MSSQL: Experienced in preparing and managing large datasets using MSSQL, ensuring data quality and efficiency. Worked on a project at TEMSA involving the integration of spare parts and vehicle stock data from different systems into a unified SQL database.

  • ETL Pipeline Development with Azure Data Factory: Skilled in designing and maintaining ETL pipelines to streamline data migration and integration processes.

  • Report Generation with Power BI: Proficient in creating dynamic, data-driven reports and dashboards in Power BI, including the development of a dashboard at TEMSA to monitor and analyze stock performance metrics for spare parts and vehicles.

UPWORK
Data Analyst & Data Scientist (Freelancer)- 02/2022 - Present

  • Experienced NLP and machine learning specialist adept at developing text and document automation systems.

  • Utilizes Apache Spark for big data handling, model building, and report generation.
    Proficient in advanced algorithm development, achieving 86% accuracy in sentiment analysis.

  • Implements logistic regression, k-NN, and gradient boosting models for predictive analytics with a 99% success rate in estimating customer behavior.

  • Skilled in innovative solutions for process optimization and data-driven decision-making.

  • Utilized BigQuery for querying large datasets to derive actionable insights and optimize data workflows.

  • Designed and implemented dashboards on Looker to visualize key performance metrics and improve business decision-making.

  • Leveraged Google Cloud Platform (GCP) tools for scalable data storage and analysis, ensuring efficient performance and cost-effectiveness.

KODLASAM
Data Analyst Mentor (Part Time) 03/2023 - 10/2023

  • Experienced Python Data Analysis instructor for Bootcamps, designing and delivering hands-on curriculum with real-world case studies.I assess student progress, offer tailored feedback, and lead workshops on the latest data analysis techniques.

TRIVE CREDIT
BI & DWH Developer 07/2023 - 09/2023

  • Extensive experience in report preparation utilizing Microsoft SQL.

  • Demonstrated expertise in the creation and support of Tableau Dashboards.

I have worked on diverse projects, showcasing my expertise in data science and entrepreneurship.

Work Experience

Data Science Services

Explore my data science services and collaborative insights here.

An iPad displaying data visualization content next to a book titled 'Data Science for Business.' The iPad is showing notes and a diagram about dashboard design, accompanied by a stylus placed between the iPad and the book.
An iPad displaying data visualization content next to a book titled 'Data Science for Business.' The iPad is showing notes and a diagram about dashboard design, accompanied by a stylus placed between the iPad and the book.
Data Visualization

Interactive visualizations showcasing data-driven insights and trends.

Machine Learning

Projects demonstrating machine learning applications and methodologies.

A laptop displaying a dashboard with various graphs, charts, and numeric data. The screen is partially visible, showcasing sections with line graphs, financial figures, and small images. The background is blurred with a prominent red light creating a warm ambiance.
A laptop displaying a dashboard with various graphs, charts, and numeric data. The screen is partially visible, showcasing sections with line graphs, financial figures, and small images. The background is blurred with a prominent red light creating a warm ambiance.
A computer screen displaying analytics dashboards with various charts, including a line graph on the left and a cohort analysis table on the right. The table is populated with different shades of blue, indicating varying levels of user activity over several weeks. Text labels and numbers detail user retention statistics.
A computer screen displaying analytics dashboards with various charts, including a line graph on the left and a cohort analysis table on the right. The table is populated with different shades of blue, indicating varying levels of user activity over several weeks. Text labels and numbers detail user retention statistics.
Entrepreneurial Ventures

Innovative projects that merge data science with entrepreneurship.

Collaborative Work

Join me in exploring collaborative data science initiatives and projects.

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Custom AI Chatbots

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turned-on laptop computer

Get in Touch

I’m excited to connect and collaborate on data projects.

Insights

Explore projects, tutorials, and connect with others.

Contact wıth emaıl

Connect

tolgaboroglu@gmail.com

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