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Senior Analyst with 3+ years in Data Analysis & Business Intelligence
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Data Analyst with over 3 years of experience in data analysis, business intelligence, and IT systems support. Skilled in leveraging Excel, Power BI, Python, SQL, and SPSS to analyze performance metrics, reconcile financial data, and provide actionable insights for operational excellence. Proven record of building dashboards, automating reports, and streamlining decision-making processes across various industries. Passionate about data-driven problem-solving, revenue performance tracking, and continuous process improvement.
Moringa School
Data Science Certification · Data Science
August 1, 2022 – June 30, 2022
Karatina University
Bachelor of Science · Computer Science
August 1, 2019 – June 30, 2023
Rafiki Microfinance Bank Limited
Data Analyst
September 1, 2024 – Present
Kericho, Kericho County, Kenya
Prompt BI
Junior Data Analyst
January 1, 2023 – September 1, 2023
Nairobi, Nairobi, Kenya
Moringa School
Data Science Fellow
July 1, 2022 – December 1, 2022
Nairobi, Nairobi, Kenya
County Government of Kericho
IT Attaché/Data Intern
January 1, 2022 – June 1, 2022
Kericho, Kericho County, Kenya
SQL Analytics Toolkit: Business Intelligence Project
June 1, 2025 – June 30, 2026
Developed a modular SQL analytics toolkit with 13+ scripts covering advanced BI techniques: time series trends, cumulative metrics, segmentation, and performance benchmarking. Created reusable SQL views to calculate key KPIs like recency, customer lifespan, and revenue segmentation. Used advanced SQL (window functions, CASE, DATETRUNC) to generate deeper insights for reporting.
View ProjectPredictive Maintenance System for Mining Equipment
May 1, 2025 – July 1, 2025
Developed a machine learning system to predict equipment failures with 98.6% accuracy, optimizing data operations and data flow across multiple platforms. Built and optimized ensemble models (Random Forest, XGBoost) for sensor data analysis (vibration, temperature, pressure). Designed an interactive Streamlit dashboard to visualize failure probabilities and real-time predictions. Integrated multilingual support (French/English) for global mining teams. Automated feature engineering workflows, reducing data prep time by 35%.
Data Warehouse & Analytics Project: Medallion Architecture
May 1, 2025 – July 1, 2025
Designed and implemented a full-stack data warehouse using the Medallion architecture (Bronze, Silver, Gold) in SQL Server. Built ETL pipelines to transform ERP and CRM data into analytics-ready tables. Modeled data with a star schema for business reporting and BI use cases. Developed SQL-based reporting views on customer behavior, product trends, and sales performance. Built an interactive Tableau dashboard to analyze customer behavior and sales trends (CY & PY). Used LOD expressions, KPI cards, and table calculations for deeper insights.
View ProjectData Science Certification
Moringa School
July 1, 2022 – Present
Cultural Fit Analysis
The candidate's diverse project experience, including predictive maintenance for mining, SQL analytics, and data warehousing, indicates a broad interest and adaptability to different business contexts. Their roles at a microfinance bank, a data science school, and a government entity show a willingness to work across various organizational structures. The emphasis on data-driven decision-making and continuous process improvement aligns well with a culture valuing analytical rigor and efficiency.
Soft Skills & Operational Fit
The candidate demonstrates strong problem-solving skills through project descriptions, particularly in optimizing data operations and predicting equipment failures. Their experience in developing interactive dashboards and automating reports suggests an operational fit for roles requiring efficiency and clear communication of insights. The multilingual support in a project indicates adaptability and a global mindset.