09/15/2025 updated
100 % available
Senior Data Analyst with expertise in BI, visualization and fraud detection
Mombasa, Kenya
Only remote
Bachelor of Science in Industrial MathematicsData AnalysisAutomationBusiness IntelligenceGoogle BigQueryComputer ProgrammingData CleansingExtract Transform Load (ETL)ForecastingFraud Prevention and DetectionR (Programming Language)Python (Programming Language)NumPyPattern RecognitionVisualizationQuality Management
Data Analysis & Visualization
Advanced data analysis using Excel, SQL, Power BI, Tableau, Python and R to transform complex datasets into strategic insights
Business Intelligence
Dashboard design, KPI development and automated reporting across various platforms including Power BI, Tableau and SQL databases
Fraud Detection & Risk Mitigation
Statistical modeling and pattern recognition to identify fraud, reducing risk exposure by up to 25% for clients
Data Cleaning & ETL
Experience with data preparation, transformation and loading using SQL, BigQuery, Snowflake and ETL/QA processes
Programming & Analytics Tools
Proficiency in Python libraries (Pandas, NumPy), R, SQL, and various BI tools for statistical modeling and forecasting
Database Management
Working knowledge of SQL, BigQuery and Snowflake for efficient data storage, retrieval and analysis
Automation
Creation of automated reporting systems and dashboards that save significant time and resources for organizations
Advanced data analysis using Excel, SQL, Power BI, Tableau, Python and R to transform complex datasets into strategic insights
Business Intelligence
Dashboard design, KPI development and automated reporting across various platforms including Power BI, Tableau and SQL databases
Fraud Detection & Risk Mitigation
Statistical modeling and pattern recognition to identify fraud, reducing risk exposure by up to 25% for clients
Data Cleaning & ETL
Experience with data preparation, transformation and loading using SQL, BigQuery, Snowflake and ETL/QA processes
Programming & Analytics Tools
Proficiency in Python libraries (Pandas, NumPy), R, SQL, and various BI tools for statistical modeling and forecasting
Database Management
Working knowledge of SQL, BigQuery and Snowflake for efficient data storage, retrieval and analysis
Automation
Creation of automated reporting systems and dashboards that save significant time and resources for organizations
Experience
Professional experience0 - 5 years
Freelancer since2022
Languages
EnglishFluent
Project history
Identified fraud patterns for 3 clients using data analytics, reducing risk exposure by 25%.
Working remotely on various data analysis projects including Power BI dashboards, data cleaning, and fraud detection for clients across e-commerce, healthcare, and logistics sectors.
Managed end-to-end data collection for a 500+ participant research study, achieving 99% data accuracy.