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ArashCh/README.md

πŸ‘‹ Hi, I'm A. Arash Chitgar!

Profile Banner

Passionate Problem-Solving with a knack for solving complex business challenges using data-driven strategies. I specialize in turning raw data into actionable insights to drive meaningful outcomes and optimize processes.


πŸ“„ About Me

  • πŸ” Looking for better opportunities. I'm open to work!
  • 🧠 Strong background in Problem-Solving and Critical Thinking
  • πŸ“ˆ Dedicated to improving business operations through data analysis and visualization

πŸ’» Skills & Tools

πŸ›  Technical Skills:

  • Database: T-SQL & PostgreSQL (transforming, aggregating, and analyzing datasets to support data-driven decisions)
  • Spreadsheets: Excel & Google Sheets (using Power Query and advanced formulas for modular data prep and efficient pivot-based business reporting & dashboards)
  • Programming: Python (Leveraging Python to build modular and automated data workflows that enhance accuracy and scalability of business analysis pipelines)
  • Visualization: Experienced in Power BI for data modeling and dynamic dashboards that drive actionable insights.
  • Prompt Engineering: Proficient in utilizing AI tools such as ChatGPT, Grok, Gemini for productivity.
  • Machine Learning: Supervised & Unsupervised Learning (scikit-learn)

πŸ”§ Soft Skills:

  • Teamwork
  • Root Cause Analysis, Decision Trees, Cognitive Bias Mitigation
  • Time Management (GTD, Time-Boxing, etc.)

πŸš€ Experience

Ordibehesht Travel Group

BI Engineer | Jun 2025 - Present | Tehran, Iran

  • Designed and deployed user-centric Google Sheets solutions (to reduce entry friction)
  • Built end-to-end Python ETL pipelines (from disparate spreadsheets into analysis-ready datasets)
  • Developed interactive Power BI dashboards (to surface KPIs and root-cause insights)
  • Fostered cross-functional alignment through proactive engagement (to maximize adoption and drive data-informed culture)
  • Helped identify and resolve operational bottlenecks (to reduce turnaround times and improve process throughput)
  • Co-designed end-to-end business processes and inter-organizational workflows (establishing standardized protocols that enhanced coordination and reduced handoff friction)
  • Acted as the in-house spreadsheet and data solutions expert (mentoring peers on best practices, and championing a problem-solving mindset across the company)

Data Specialist | Feb 2025 - Jun 2025 | Tehran, Iran

Raees Coffee (Data Analyst)

Oct 2024 – Jan 2025 | Tehran, Iran

  • Optimized inventory management processes for products nearing expiry
  • Unified multi-channel sales data for better reporting and insights
  • Designed dynamic dashboards for real-time sales tracking
  • Conducted customer segmentation for targeted marketing campaigns
  • Provided financial forecasts for new branch openings

MahooArts Gallery (Freelance BI Analyst)

Apr 2023 – Aug 2024

  • Defined KPIs and analyzed workflows
  • Built data pipelines with ETL processes
  • Designed and delivered actionable dashboards

Saho Style (Freelance Data Analyst)

Jun 2024 – Oct 2024

  • Established data warehousing processes
  • Created insightful reports and visualizations

LIAU (Data Science Researcher)

2019 - 2022 | Lahijan, Iran

  • Research & Working on Eldercare in Smart-Home at the Intelligent Systems Lab. of LIAU.

πŸ› οΈ Projects & Portfolio

Explore my Data Analysis Projects, including:

Dynamic dashboards and visualizations that drive actionable insights.


πŸ† Certifications

  • Google Data Analytics Professional Certificate
  • Google Business Intelligence Professional Certificate
  • SQL for Data Analysis (Udemy)
  • Introduction to Data Science in Python (University of Michigan)
  • Midnware: Critical Thinking for the Information Age (University of Michigan)
  • Preparing Data for Analysis with Microsoft Excel (Microsoft)

πŸ“œ Full list of certifications available here


πŸ“ Publications

Investigating the thermal performance of green wall: Experimental analysis, deep learning model, and simulation studies in a humid climate | Building & Environment, Elsevier


πŸ“¬ Connect With Me

LinkedIn
GitHub


πŸ’‘ "Turning data into stories, one insight at a time."

Pinned Loading

  1. Data-Analysis-Portfolio Data-Analysis-Portfolio Public

    Jupyter Notebook 1

  2. Data-Article-Bank Data-Article-Bank Public

    Here I share every data article I read

  3. Regression-Line Regression-Line Public

    Regression Line (Univariable) implementation from scratch using Python

    Jupyter Notebook