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J
Joy K.
✨ Newly Added🎓 Academy GraduateData Analyst
Kenya9+ years experienceAvailable now$3,000/mo
Compare at US rates $9,000/mo?
Notable Highlight
Built Streamlit dashboards for bond pricing and automated reporting workflows at RBC, improving forecasting accuracy by 15% with LightGBM models.
Experience Summary
Data scientist with 9 years of professional experience in financial analysis, healthcare data, and reporting automation. Proficient in Python, SQL, Power BI, and Tableau for building dashboards and automating workflows. Mentored data science learners at a previous company and UN Women.
Key Achievements
- Improved forecasting accuracy by 15% through development of LightGBM machine learning models.
- Improved vendor master data quality by 15% through process improvements and cross-functional collaboration at BI.
- Built Streamlit dashboards for bond pricing and financial analysis at RBOCCM.
- Automated data preparation and reporting workflows using Python.
- Analyzed healthcare datasets to support evidence generation and commercial strategy for schizophrenia and obesity programmes.
- Analyzed customer data and drove a 15% increase in product sales at EFS.
- Developed reproducible data science workflows using R and Python for a Master's thesis on HIV viral load suppression trends in Kenya.
- Applied Bayesian hierarchical models and spatial and temporal analysis to national HIV treatment datasets.
- Reviewed data science projects covering exploratory data analysis, data visualization, statistical analysis, and machine learning as a Technical Mentor at a previous company.
- Delivered training in cloud computing, programming fundamentals, and data science through UWA.
Skills
Power BITableauSQLPythonStreamlitData visualizationLightGBMBayesian hierarchical modelsReporting automationMachine learningFinancial analysisHealthcare datasetsAWS CloudR
Work Experience
Technical Mentor
a previous company · Jan 2023 - Present
- Guide learners in developing reproducible data science workflows.
- Review learner projects covering exploratory data analysis, data visualization, statistical analysis, and machine learning.
- Provide feedback on analytical thinking, programming practices, and documentation.
- Assist learners with programming concepts, debugging, and project implementation.
Instructor and Mentor
UWA · Jan 2023 - Present
- Deliver training in cloud computing, programming fundamentals, and data science.
- Facilitate practical, project-based learning activities.
- Mentor young women pursuing or switching careers in technology.
Data Science Fellow (Afrika Kommt! Fellow)
BI · Germany · Jan 2024 - Dec 2024
- Improved vendor master data quality by 15% through process improvements and cross-functional collaboration.
- Analyzed healthcare datasets to support evidence generation and commercial strategy for schizophrenia and obesity programmes.
- Explored clinical and business datasets using Python and large language models.
Consultant, Data Science
RBOCCM · Remote · Jan 2022 - Dec 2024
- Built Streamlit dashboards for bond pricing and financial analysis.
- Automated data preparation and reporting workflows using Python.
- Translated analytical results into business decisions with cross-functional teams.
- Developed LightGBM machine learning models that improved forecasting accuracy by 15%.
Retail Benefits Consultant
EFS · Kenya · Jan 2016 - Dec 2021
- Analyzed customer data to drive a 15% increase in product sales.
- Guided teams in using data to refine marketing and outreach strategies.