tolga boroglu.

DATA SCIENTIST & DATA ANALYST

Hi, I’m Tolga Boroglu.

Complex data.
Clear decisions.

I turn data into practical analytics, intelligent tools, and AI-powered solutions that help businesses move forward.

Explore my work Let’s talk
FROM SIGNAL TO INSIGHT
DATA PATTERNS CLARITY
ANALYTICS / AI / AUTOMATIONSelected work below
Data scienceBusiness intelligenceAI developmentWorkflow automation

01 / MY WORK

Ideas put to work.

DATA / AI / AUTOMATION

Practical solutions.
Built around your business.

From analytics and dashboards to AI-powered tools and automated workflows. Explore my work and client feedback on Upwork.

View my work on Upwork

About Me

Passionate about turning data into decisions.

Data Analyst and Data Scientist with hands-on experience designing end-to-end analytics solutions across insurance, finance, manufacturing, and e-commerce domains.

Proven expertise in building scalable reporting infrastructures, developing cost-efficient SQL-based analytics in BigQuery, and delivering KPI-driven dashboards.

Strong background in ETL pipeline development using Google Cloud Dataflow and Azure Data Factory, with practical experience integrating complex datasets.

Experienced in applied AI and automation projects, including LLM-powered chatbots, OCR-based document processing, and predictive modeling.

Tolga Boroglu

My Approach

Data Collection & Cleaning

Gather and prepare high-quality data from multiple sources, ensuring accuracy and consistency.

LLM Models

Leverage Large Language Models for chatbots, document processing, and intelligent content generation.

Visualization & Reporting

Create compelling visualizations and dashboards that communicate insights effectively to stakeholders.

Tech Stack

Programming & Data Science

PythonSQLRExcel / VBA

BI & Analytics

TableauPower BIMetabaseKPI Dashboards

Data Engineering & Cloud

Apache SparkDockerGCP / AWS / AzureAzure Data FactoryETL Pipelines

AI & Automation

Machine LearningLLM Models (GPT/RAG)Prompt Engineeringn8nAI Automation

Education

2017 — 2023

Bachelor's Degree

Management Information Systems

2025 — 2026

Master's Degree

Management and Organization

Experience

2022 — Present

  1. Gensure Tech

    02/2025 — Present

    Current role

    Data Analyst

    Remote

    Comprehensive data analysis across sales, accounting, and insurance datasets. Built reporting infrastructure from scratch using BigQuery and Metabase.

    • BigQuery
    • Metabase
    • Data Pipelines
    • SQL

  2. TEMSA

    08/2024 — 01/2025

    Data Analyst (Contract)

    Turkey

    Supported data preparation and integration projects by bringing together data from different sources using Azure Data Factory. Contributed to Power BI dashboard development.

    • ETL
    • Azure Data Factory
    • Power BI
    • Data Modeling

  3. Upwork

    02/2022 — 01/2025

    Data Analyst & Data Scientist

    Remote

    NLP and machine learning projects, text automation systems, and predictive analytics. Achieved 86% accuracy in sentiment analysis.

    • NLP
    • Machine Learning
    • Python
    • Predictive Analytics

  4. Kodlasam

    03/2023 — 10/2023

    Data Analyst Mentor

    Turkey

    Designed Python data analysis curriculum for bootcamps. Delivered hands-on training with real-world case studies.

    • Python
    • Mentorship
    • Data Analysis
    • Curriculum Design

  5. Trive Credit

    07/2023 — 09/2023

    BI & DWH Developer

    Turkey

    Business intelligence and data warehouse development. Created Tableau dashboards and extensive reports using Microsoft SQL.

    • BI
    • DWH
    • Tableau
    • MSSQL

PODCAST

CodeCast

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Writing & Thoughts

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