Webstar Y.
Senior Data Analyst
Open to offersNew to PlatformAbout
Webstar Y. is a highly-skilled Data Analyst & AI Data Specialist based in Nairobi, Kenya, recognized for his expertise in managing and analyzing large datasets for AI applications. With a bachelor's degree in Economics and Statistics from The University of Nairobi, Webstar has acquired strong skills in data entry, transcription, annotation, and AI training over a professional career spanning more than five years. His proficiency in data cleaning and transformation is complemented by his command of programming languages such as Python and R, as well as data visualization with tools including Tableau and Power BI. At CloudFactory, he excelled in creating ETL pipelines, ensuring data quality, and collaborating on AI training projects to enhance model accuracy. Additionally, his freelance work has further honed his capabilities in delivering reliable, high-quality AI data solutions while adhering to ethical data practices.
Experience
Freelance Data Analyst & AI Data Specialist
Independent Contractor · 2023 — PresentDelivered freelance services in data analysis, transcription, annotation, and AI training for diverse clients, emphasizing accurate data input and high-quality results. Oversaw comprehensive projects that involved data collection, cleaning, labeling, and visualization to aid AI development while ensuring adherence to data quality best practices.Data Analyst
CloudFactory · 2018 — 2023Collected, entered, cleaned, and prepared extensive datasets from various sources, ensuring precision for AI training and analysis. Developed and maintained ETL pipelines to guarantee the timely availability of reliable data. Engaged in transcription and annotation of audio/video content and datasets, collaborating with teams to enhance model accuracy. Conducted exploratory data analysis to uncover trends and insights, and built predictive models utilizing statistical techniques such as regression and hypothesis testing. Created interactive dashboards and reports with Tableau and Power BI to present findings and track KPIs. Implemented validation processes to uphold data integrity and contributed to data governance standards. Coordinated effectively with product managers and engineers on AI and analytics projects while utilizing Python, R, SQL, and ETL tools.Data Analyst Intern
Milimani Law Courts · 2016 — 2016Supported data collection, entry, cleaning, and validation tasks. Conducted statistical analyses and produced visualizations to assist in decision-making processes. Collaborated on projects related to basic transcription and data annotation.
Skills & Expertise
Education
- Bachelor of Economics and StatisticsThe University of Nairobi · — — 2018