Codecraft Kenya

Data Scientist with a Bachelor of Computer Science from Kabarak University, certified in Python, and currently pursuing advanced certifications in Data Science, Artificial Intelligence (AI), and Machine Learning (ML). Brings 1+ year of hands-on experience building end-to-end data solutions, including ETL pipelines, predictive models, model evaluation workflows, and business intelligence dashboards. Focused on transforming raw data into reliable insights, developing interpretable models, and supporting data-driven decision-making.

Data Science and Engineering Intern at Jamii Telecommunications (2025-11 – Present)

• Build and evaluate machine learning models for business use cases, including a customer churn prediction model to flag at-risk customers.
• Perform exploratory data analysis (EDA) on datasets to uncover patterns and data quality issues, guiding feature engineering and model development.
• Write SQL queries to extract, filter, and aggregate data for analysis, reporting, and model development.
• Design and build a data pipeline using Apache NiFi, HDFS, Apache HBase, and Apache Phoenix, feeding a custom-built analysis tool for faster, repeatable analytics.
• Optimize churn prediction workflows through data preprocessing, feature engineering, and model evaluation, improving model reliability for stakeholder decisions.
• Monitor machine learning model performance to track prediction reliability and flag issues early.
• Prepare datasets and run data validation and quality checks, reducing errors reaching downstream analytics and model pipelines.
• Create and improve dashboards and visualization tools to communicate model outputs and operational insights to stakeholders.
• Document model workflows and technical procedures, improving reproducibility and team handover.

Software Developer Intern at Kocela Limited (2025-01 – 2025-05)

• Developed and maintained web applications using Play Framework and MySQL in a collaborative team environment.
• Implemented backend integrations and optimized database queries to improve application performance.
• Supported API integrations and bug fixes across features, improving application stability and user experience.
• Delivered development tasks on structured timelines using version-controlled workflows.

Freelance Data Scientist and Software Developer at Freelance (2023-01 – 2026-05)

• Delivered data science and machine learning solutions for clients, including churn prediction, pricing models, and analytics dashboards.
• Built ETL workflows for cleaning, transforming, and preparing datasets for reporting and model training.
• Developed business intelligence (BI) dashboards using Power BI and other visualization tools to support KPI tracking and business decisions.
• Implemented AI-enabled and data-driven features in client applications using Python frameworks and model outputs.
• Provided ongoing maintenance, optimization, and technical support for deployed solutions.

IT Consultant at Khetias Supermarket (2022-08 – 2023-01)

• Performed system troubleshooting, operating system installations, and hardware and software support.
• Trained staff on business systems and digital tools to improve operational efficiency.
• Supported IT infrastructure reliability through issue resolution and preventive maintenance practices.

Bachelor of Computer Science in Computer Science – Kabarak University (2021-09 – 2025-12)