JOSEPH MASELE
Dar es Salaam
Summary
Dynamic DRF Backend Developer at ZenoPay with a proven track record in designing scalable APIs and enhancing system reliability. Leveraged skills in Django REST Framework and data integration to drive impactful solutions. Adept at collaborating with teams, utilizing AWS and Git for efficient project delivery. Passionate about optimizing operations through data-driven insights.
Overview
3
3
years of professional experience
1
1
Certification
Work History
DRF Backend Developer
ZenoPay
01.2024 - 01.2026
- Built scalable APIs for financial and payment transaction systems, enhancing transaction speed and reliability
- Designed and developed backend endpoints and models using Django REST Framework to support application functionality
- Improved backend performance and ensured high system reliability
- Collaborated with data teams to integrate predictive models into production, facilitating data-driven decision-making
Data Scientist Intern
Apotek (Softlink Company)
01.2023 - 01.2024
- Built predictive models to optimize operations and improve decision-making
- Developed dashboards for real-time performance monitoring to enhance visibility of key metrics
- Cleaned, processed, and analyzed large company datasets to support data-driven insights
- Automated data workflows and reporting systems to streamline data handling processes
Education
Bachelor Degree - Data Science
The Eastern Africa Statistical Training Centre (EASTC)
Skills
- Postgres
- AWS
- Google Cloud
- Azure
- Git
- GitHub
- BeautifulSoup
- Numpy
- Pandas
- TensorFlow
- Matplotlib
- Hadoop
- Power BI
Certification
- Google Data Analytics Professional Certificate
- IBM Machine Learning Professional Certificate
- AWS Cloud Practitioner
Projects
Evaluating the Impact of Fishing Practices on Lake Victoria's Ecosystem and Local Economy, Analyzed long-term fishing trends using statistical and predictive modeling, Collected and processed large datasets on fish populations and economic indicators, Applied machine learning algorithms to forecast sustainability outcomes, Created interactive data dashboards using Tableau & Power BI, Delivered insights for policymakers on sustainable fishing practices Customer Segmentation for E-Commerce Business, Implemented clustering algorithms (K-Means, DBSCAN) to segment customer groups, Improved targeted marketing efforts, increasing conversion and sales by 15%, Visualized customer behavior insights using Python (Matplotlib & Seaborn) Fraud Detection System for Financial Transactions, Built classification models using Logistic Regression and Random Forest, Achieved 92% accuracy in detecting fraudulent transactions, Deployed the model using Flask and integrated it into a banking system workflow
Languages
- Swahili
- English, Fluent
- Swahili, Native
Timeline
DRF Backend Developer
ZenoPay
01.2024 - 01.2026
Data Scientist Intern
Apotek (Softlink Company)
01.2023 - 01.2024
Bachelor Degree - Data Science
The Eastern Africa Statistical Training Centre (EASTC)