Caleb Omariba
Nairobi
Summary
Innovative data scientist with a robust background in machine learning, statistical analysis, and predictive modeling. Skilled in translating complex datasets into actionable insights that drive decision-making and business strategy improvements. Demonstrates strong problem-solving abilities and mastery of Python, R, SQL, and data visualization tools. Previous work has led to significant enhancements in operational efficiency and revenue growth through data-driven strategies.
Overview
8
8
years of professional experience
Work History
Data Scientist
LUNYAMWI Devs
05.2024 - 08.2025
- Automated unit tests using Pytest, achieving an 87% increase in testing efficiency.
- Designed and optimized database schemas for efficient storage and retrieval of chatbot data.
- Integrated Zoho CRM data into the database, enhancing chatbot personalization.
- Developed scalable APIs using the Django Rest Framework to facilitate backend communication.
- Implemented data cleaning processes to ensure accuracy and reliability of information.
- Performed exploratory analysis on large datasets using SQL and Python libraries such as Pandas, NumPy, Scikit-Learn, and Matplotlib.
Data Enumerator
Strathmore University
Nairobi
07.2021 - 12.2021
- Enhanced data collection tools, including KoboToolbox, to improve reporting accuracy and efficiency.
- Delivered high-quality results under tight deadlines within a fast-paced environment.
- Updated survey methodologies to ensure data reliability and alignment with objectives.
- Conducted household interviews and administered questionnaires to obtain demographic data.
- Conducted in-depth analyses that uncovered insights advancing research outcomes.
- Collaborated with team members to develop and implement effective data collection strategies.
Junior Financial Analyst
Wellness Forever
Nairobi
04.2020 - 05.2021
- Spearheaded operational efficiency projects, achieving 15% productivity improvements.
- Enhanced financial models to provide actionable insights and streamline processes.
- Forecasted advertising expenditures, resulting in improved budget accuracy.
- Developed financial analysis reports and presentations, applying advanced financial principles.
- Collaborated with management to align business objectives with data-driven strategies.
- Partnered with senior management to establish and track key financial performance indicators (KPIs).
Freelance Data Analyst
01.2018 - 11.2019
- Delivered tailored data analysis projects for various clients, supporting business decisions.
- Developed dashboards and reports using Power BI and Tableau.
- Modeled datasets with Python and Pandas to ensure accuracy and consistency.
- Conducted market research and trend analysis, driving a 10% increase in sales.
- Presented findings in detailed reports for non-technical audiences.
Education
Data Analyst Nanodegree -
Udacity
California, USA08.2022
Bachelor of Science - Financial Engineering
Jomo Kenyatta University of Agriculture And Technology
Juja Kenya11.2016
Master of Data Science -
Open University of Kenya
Konza Technopolis Certified Investments and Financial Analyst (CIFA) -
KASNEB
NairobiSkills
- Python and libraries (Pandas, NumPy, Seaborn, Matplotlib, Sci-kit learn, TensorFlow, PyTorch)
- SQL and database management (Postgres, MySQL)
- Data processing and ETL pipelines
- Model development and deployment
- Feature engineering and predictive modeling
- Data visualization (Power BI, Tableau, Streamlit)
- Web scraping techniques
- Version control (Git)
- Report writing and presentation skills
- Teamwork and collaboration
- Analytical thinking and effective communication
- Time management
- Data collection strategies
- Data cleaning
- Agile methodology
- Machine learning algorithms
- Predictive modeling
References
- Geoffrey Kangwana, FIA Lead Actuary - QBE Europe, kangwanageoffrey@gmail.com, +254703526504
- Martin Luther Bironga, Data Engineer - Boasted Chat, lutherlunyamwi@gmail.com, +254700701209
- Duncan O. Ageng’a, Research Associate, dangengaastrathmore.edu, +254718263967
Timeline
Data Scientist
LUNYAMWI Devs
05.2024 - 08.2025
Data Enumerator
Strathmore University
07.2021 - 12.2021
Junior Financial Analyst
Wellness Forever
04.2020 - 05.2021
Freelance Data Analyst
01.2018 - 11.2019
Data Analyst Nanodegree -
Udacity
Bachelor of Science - Financial Engineering
Jomo Kenyatta University of Agriculture And Technology
Master of Data Science -
Open University of Kenya
Certified Investments and Financial Analyst (CIFA) -
KASNEB