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Daniel21b/README.md
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Waving Hand Emoji Hi, I'm Daniel, CS 2025! GitHub profile views counter

A professional animation coder gif

Chart Emoji Turning data into insights, one pipeline at a time.

  • Globe Showing Americas Based in DMV
  • Desktop Computer Emoji Recent CS Graduate from University of Maryland
  • Email Emoji Contact me @: dberhane@terpmail.umd.edu
  • Bar Chart Emoji Building data pipelines and analytics solutions with cloud technologies
  • Brain Emoji Passionate about data engineering, ML operations, and business intelligence
  • Lightning Emoji Always exploring new ways to optimize data workflows
github contribution grid snake animation

Globe with Meridians Emoji Let's Stay Connected:

LinkedIn GitHub Hand Shake Emoji

Laptop Emoji Technical Skills:

Programming & Query Languages

Python SQL R JavaScript

Data Analysis & Visualization

Pandas NumPy Matplotlib Seaborn Plotly Power BI Tableau Looker

Data Engineering & Cloud

dbt AWS Snowflake AWS Lambda AWS Glue

Machine Learning & MLOps

scikit-learn MLflow

Databases & Tools

MySQL PostgreSQL MongoDB Git GitHub Actions

Web Technologies & APIs

FastAPI BeautifulSoup Jupyter


Folder Emoji Featured Projects:

[Automated Invoice Processing Pipeline)(https://github.com/Daniel21b/invoice_pipeline)

Tech Stack: Python, PostgreSQL, Streamlit, AWS (Lambda, S3, RDS), OCR (Textrac

  • Designed an event-driven architecture that eliminates manual data entry by automatically triggering extraction pipelines upon file upload, reducing processing time by 95% .
  • Migrated real-time invoice processing to a scheduled Airflow batch architecture, optimizing compute resource usage by processing uploads in hourly micro-batches.
  • Implemented unstructured-to-structured data transformation using AI-based OCR to parse PDF invoices and normalize them into a relational PostgreSQL schema

Tech Stack: Python, Pandas, Seaborn, Plotly, Looker

  • Processed 2M+ trips to identify usage patterns across DC metro stations
  • Analyzed weather-ridership correlations to quantify seasonal demand fluctuations
  • Built interactive Looker dashboards visualizing peak hours and route trends

Tech Stack: Python, Pandas, BeautifulSoup, Matplotlib

  • Scraped and analyzed job postings to track company hiring patterns
  • Standardized data with Pandas for accurate trend analysis
  • Visualized month-over-month hiring trends with Matplotlib

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