Summary
Overview
Work History
Education
Skills
Accomplishments
Languages
Websites
Timeline
Generic

DERARTU WERJI

Everett,WA

Summary

Data Scientist with 7+ years of proven experience in data science and analysis in a data scientist role, building and deploying ML models. Expertise in applying machine learning concepts and techniques related to supervised and unsupervised learning. Hands-on experience developing deep learning models. Programming expertise in Python, R, PySpark, and SQL, and the ability to work with relational databases using SQL, coupled with big data architecture and pipeline, Hadoop, and Hive. Expertise in Databricks, Tableau, and Power BI. Expertise in articulating and translating business questions, and using statistical techniques to arrive at an answer using available data, including data visualization. Strong communication skills, ability to work with multi-functional teams.

Overview

7
7
years of professional experience

Work History

DATA SCIENTIST

TAK Technologies PLC
Addis Ababa, Ethiopia
06.2015 - 07.2022
  • Analyzed data to boost operational efficiency, aiding executive decision-making. Deliver timely, quality analysis, interpretation, and synthesis of data into effective, concise, and actionable recommendations.
  • Developed SQL, R, and Python solutions for impactful data insights, coupled with big data architecture and pipeline, Hadoop, Hive, and Spark.
  • Collaborated with IT to enhance data processes, improving report accuracy.
  • Implemented data mining and machine learning for actionable insights.
  • Created data visualizations to transform raw data into stakeholder insights.
  • Applied advanced statistical methods to uncover hidden patterns in large datasets, enabling data-driven strategic planning and operational improvements.
  • Designed and implemented machine learning models for customer behavior analysis, leading to substantial improvements in predictive accuracy.
  • Orchestrated data pipeline optimization projects with IT teams, resulting in faster processing times and enhanced data reliability.
  • Pioneered automated reporting solutions using Python, transforming complex data into actionable insights for business stakeholders.
  • Refined data quality protocols and validation procedures, establishing robust standards for analytical reporting and decision support.
  • Engineered scalable machine learning solutions for real-time customer behavior analysis, enhancing model accuracy, and deployment efficiency.

key Accomplishments

Healthcare Patient Segmentation: Segmented patients based on health conditions and demographics using K-Means clustering. Improved resource allocation for preventive care by 22% in a simulated healthcare dataset. Analyzed over 500K records from a publicly available Kaggle EHR dataset. Developed a predictive model to flag high-risk patients for chronic diseases.

Key Tools: Python, Scikit-Learn, Matplotlib.

Market Direction Predictor:

Technologies: Python, Pandas, NumPy, Scikit-Learn, Matplotlib.

Description: Developed a predictive analytics model as part of a course project aimed at forecasting market trends. Utilized statistical analysis and machine learning algorithms to analyze historical market data and predict future directions.

Achievements: Achieved model accuracy of over 85%, outperforming baseline predictions by 15%. Enhanced personal expertise in quantitative finance and machine learning applications in economic forecasting.

Education

MASTER OF SCIENCE - DATA SCIENCE

Stevens Institute of Technology
Hoboken, New Jersey
12.2024

MASTER OF SCIENCE - HYDRAULIC ENGINEERING

Addis Ababa University
Addis Ababa, Ethiopia
06.2018

BACHELOR OF SCIENCE - CIVIL ENGINEERING

Addis Ababa University
Addis Ababa, Ethiopia
06.2015

Skills

Programming: Python (Pandas, NumPy, Scikit-Learn, TensorFlow), SQL, R (expert)

Machine Learning: Classification, Regression, Clustering, NLP (Expert)

Big Data: Spark, Hadoop, Power BI (Expert)

Data Visualization: Matplotlib, Seaborn, Tableau, Power BI (Expert)

Tools: Jupyter Notebooks, Watson Studio, OpenAI API, statistical analysis, data mining, predictive modeling, operational efficiency, process optimization, data governance, automation solutions (expert)

Project management

Team collaboration

Accomplishments

  • Mekuria Maru Scholarship for Civil Engineering - March 2012
  • Noodle Master's Scholarship Summer for Master of Science in Data Science - June 2023

Languages

English
Full Professional
Amharic
Native/ Bilingual
Afan Oromo
Native/ Bilingual

Timeline

DATA SCIENTIST

TAK Technologies PLC
06.2015 - 07.2022

MASTER OF SCIENCE - DATA SCIENCE

Stevens Institute of Technology

MASTER OF SCIENCE - HYDRAULIC ENGINEERING

Addis Ababa University

BACHELOR OF SCIENCE - CIVIL ENGINEERING

Addis Ababa University
DERARTU WERJI