I'm Tolga Boroglu —transforming complexdata into actionableinsights.
Advanced analytics, LLM models, and AI-powered solutions to drive business growth and decision-making.
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.
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
Python
Pandas · NumPy · Scikit-learn
SQL
PostgreSQL · MySQL · BigQuery · MSSQL
R
RStudio · ggplot2
Tableau
Dashboards · Viz
Power BI
Reports · DAX
Machine Learning
NLP · Deep Learning
Cloud Platforms
GCP · AWS · Azure
Excel / VBA
Automation · Analysis
Apache Spark
Big Data Processing
Docker
Containerization
n8n
Workflow Automation
LLM Models
GPT · NLP · RAG
Metabase
BI Dashboards · KPIs
ETL Tools
Azure Data Factory · Pipelines
Vibe Coding
AI-Assisted Development
Prompt Engineering
GPT · Claude · LLM Optimization
Education
Bachelor's Degree
Management Information Systems
Master's Degree
Management and Organization
Experience
Data Analyst
Gensure Tech
Comprehensive data analysis across sales, accounting, and insurance datasets. Built reporting infrastructure from scratch using BigQuery and Metabase.
02/2025 — Present
Remote
Data Analyst (Contract)
TEMSA
Led data preparation and integration projects. Designed ETL pipelines using Azure Data Factory and created Power BI dashboards.
08/2024 — 01/2025
Turkey
Data Analyst & Data Scientist
Upwork
NLP and machine learning projects, text automation systems, and predictive analytics. Achieved 86% accuracy in sentiment analysis.
02/2022 — 01/2025
Remote
Data Analyst Mentor
Kodlasam
Designed Python data analysis curriculum for bootcamps. Delivered hands-on training with real-world case studies.
03/2023 — 10/2023
Turkey
BI & DWH Developer
Trive Credit
Business intelligence and data warehouse development. Created Tableau dashboards and extensive reports using Microsoft SQL.
07/2023 — 09/2023
Turkey
Selected Work
Toroslardan
Full e-commerce website with n8n workflow for AI-powered product image generation and automated content creation pipeline.
AI Chatbot
Custom AI chatbot handling customer queries and routine tasks, tailored to client needs through Upwork.
Doc Scanner
Advanced document digitization app with edge detection, perspective transformation, and OCR.
Text to Image
Cutting-edge ML project converting textual descriptions into visually compelling images for marketing.
Heritage Game
EU-funded project preserving cultural heritage through gamification with professional visual design.
Focus Hub
Matching algorithm for educational platform pairing students based on cognitive and social-emotional abilities.
LiteFirm
Automated task documentation tool streamlining task tracking for business efficiency.
Ilkmucizem
Fully responsive, user-friendly website with elegant design and seamless navigation.
Liderform
AI-based predictive models for horse racing outcomes using machine learning algorithms.
Testimonials
"Tolga did an excellent job on the chatbot I requested. We had extensive discussions beforehand, and he developed the application exactly as I wanted. Upon completion, he thoroughly explained everything via a Zoom call and provided detailed explanations of the code. I am extremely satisfied with his work and would highly recommend him."
Andre
Client