Ruto Kelvin
Data Analyst / Data Engineer/ Data Scientist
Nairobi
Summary
Experienced in data analysis, data science, and data engineering with over 5 years of expertise. Focus on data analysis, machine learning, statistical modeling, and data visualization. Skilled at conducting comprehensive analysis throughout the project lifecycle to develop reports and data solutions that drive informed business decisions. Strong proficiency in optimizing data pipelines, data cleansing, ETL/ELT processes, and performance monitoring. Dedicated to improving data quality and operational efficiency.
Overview
3
3
years of professional experience
5
5
years of post-secondary education
2
2
Certifications
2
2
Languages
Work History
Data Analyst
Verb Education
01.2025 - 03.2025
- Analyzed large-scale assessment data to uncover patterns and trends, leading to a 15% improvement in teaching efficiency
- Cleaned, mined, and transformed raw datasets into actionable insights using Python, enabling data-driven decision-making across departments
- Built and customized Power BI dashboards for tracking individual and group performance metrics, improving performance monitoring by 20%
- Created visual reports highlighting key performance indicators (KPIs), enhancing the clarity and speed of reporting by 15%
Data Analyst
Verb Education
01.2024 - 12.2024
- Designed and implemented scalable data solutions on Microsoft Azure, enhancing data accessibility and reliability, which resulted in a 30% reduction in system downtime
- Developed and optimized SQL queries to manage large MongoDB databases, increasing data retrieval efficiency by 25% and supporting over 50,000 assessment records
- Created and maintained dynamic Tableau and Power BI dashboards that provided actionable insights, reducing report preparation time by 70%
- Automated data pipelines for real-time updates, reducing data processing time for end-of-term reports from a full day to just one hour
- Collaborated with development teams to integrate advanced analytics features into the CBC App, improving user satisfaction by 50%
- Implemented robust data validation and quality control measures, reducing data discrepancies by 20% and ensuring the integrity of assessment data
Data Analyst
Verb Education
06.2022 - 02.2024
- Analyzed large assessment datasets to identify trends and patterns, leading to a 15% improvement in teaching efficiency
- Conducted data mining, cleansing, and visualization tasks to transform raw data into actionable insights for decision-makers
- Developed detailed Power BI dashboards to track individual and group performance metrics, enhancing monitoring by 20%
- Created custom visuals that highlighted key performance indicators, improving reporting efficiency by 15%
- Used statistical analysis techniques to validate findings, ensuring data-driven decisions for strategic planning
Data Analyst
Verb Education
09.2023 - 01.2024
- Designed and implemented robust ETL processes, optimizing data extraction, transformation, and loading from multiple sources, resulting in a 25% increase in the efficiency of funding allocation
- Developed and maintained interactive Power BI dashboards and reports, improving operational efficiency by 70%
- Architected scalable data pipelines for real-time processing, accelerating insights for strategic decision-making
- Applied advanced statistical techniques and validation processes to ensure data quality, enhancing accuracy for data-driven decisions
- Collaborated with cross-functional teams to integrate data engineering solutions, reducing delivery timelines by 20%
Data Scientist
Freelancer
02.2023 - 01.2024
- Developed machine learning models that achieved 90% accuracy in sentiment analysis of McDonald’s customer reviews, providing actionable insights that improved service quality by 20%
- Implemented a predictive model for staff attrition, reducing turnover by 15% by identifying critical attrition patterns
- Led cross-functional teams in defining and implementing risk control measures, reducing risk-related incidents by 30%
- Created data analytics solutions using Power BI and DAX, enabling management to track KPIs and improve decision-making efficiency by 25%
Data Analyst
County Government of Kericho
02.2022 - 06.2022
- Enhanced financial data management processes by optimizing ETL workflows, reducing data processing time by 20%
- Automated financial reporting processes, reducing errors by 10% and improving decision-making efficiency by 15%
- Analyzed financial performance indicators, providing actionable insights for budgetary adjustments and strategic planning
- Developed and automated sector-specific reporting pipelines, supporting the creation of policy briefs and improving operational efficiency
Education
Bachelor of Science - Applied Statisticts And Informatics
Moi University
08.2018 - 12.2023
Skills
- SQL
- Python (Pandas, NumPy)
- R
- SPSS
- STATA
- Data Cleaning/Wrangling
- Tableau
- Power BI
- Matplotlib
- Seaborn
- Plotly
- Classification
- Regression
- Clustering
- Decision Trees
- Random Forest
- Neural Networks
- NLP
- Microsoft Azure (Data Factory, Azure SQL Database)
- SQL Server
- MySQL
- PostgreSQL
- MongoDB
- ETL/ELT
- Data Modeling
- Star Schema
- Snowflake Schema
- Apache Spark
- Hadoop
- DAX
- T-SQL
- Git
- Data Validation
- Standardization
- Deduplication
- Anomaly Detection
- Multivariate Analysis
- Regression Models
- Time Series
- Hypothesis Testing
- Experimental Design
- Bayesian Methods
Certification
Microsoft Certified Data Engineer Associate
Accomplishments
- Led projects that streamlined data cleaning processes by 30% and increased data accuracy by 25%.
- Developed machine learning models with up to 90% accuracy, improving service quality and operational efficiency.
- Reduced system downtime by 30% and improved data retrieval efficiency by 25% through scalable data solutions.
- Automated data pipelines, reducing manual data processing time by 80% and increasing reporting speed by 70%.
- Improved decision-making efficiency by 25% through the use of advanced data visualization tools like Power BI and Tableau.
Timeline
Data Analyst
Verb Education
01.2025 - 03.2025
Data Analyst
Verb Education
01.2024 - 12.2024
Data Analyst
Verb Education
09.2023 - 01.2024
Data Scientist
Freelancer
02.2023 - 01.2024
Data Analyst
Verb Education
06.2022 - 02.2024
Data Analyst
County Government of Kericho
02.2022 - 06.2022
Bachelor of Science - Applied Statisticts And Informatics
Moi University
08.2018 - 12.2023
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