• I am an active contributor to significant open-source projects in the areas of software engineering education and sequence diagramming.• I collaborate with a diverse global team of developers, utilizing agile git workflow methodologies to effectively work on extensive code bases.

• Detailed requirement analysis and scoping for MPESA , VOOMA, MALI(ZIDII), Cashia fintech systems, translating prioritized features into technical specifications and designing seamless customer journeys and transaction processes.• Coordinated with cross-functional international teams, ensuring seamless system integrations aligned with architectural designs, reducing integration errors by 2% and enhancing project efficiency by 10% through continuous integration and automated testing.• Developed comprehensive functional requirement specifications (FRS) and conducted code reviews, providing technical guidance to ensure high code quality, adherence to best practices, and a 5% increase in development speed by leveraging agile methodologies.• Acted as a direct interface with clients, gathering feedback, aligning solutions with evolving needs, and conducting cost-benefit analyses, optimizing project efficiency and resource allocation through detailed technical documentation and performance analysis tools.

• Maintenance and optimization of Huawei and Safaricom's Overdraft System(Fuliza) and Mobile Money System (M-PESA).• Implemented security measures for continuous system availability and protection against cyber threats.• Conducted data analysis on weekly reports from the OverDraft system to extract projections aiding business decisions.

• Developed and maintained secure authentication APIs using NodeJS, Express.js, and TypeScript, facilitating user registration, login, and password reset functionality.• Implemented a role-based access control system to enhance security and user permissions.• Collaborated with the frontend team to define API requirements, ensuring seamless integration and optimal performance.• Conducted code reviews and troubleshooting, maintaining high code quality and ensuring bug-free backend functionality.• Architected and deployed scalable backend solutions to support the MVP, utilizing cloud services, containerization, and MongoDB for NoSQL database management.• Optimized database queries and schema design in MongoDB to improve application performance and data integrity. • Employed agile methodologies to manage project timelines, deliverables, and team collaboration, ensuring timely completion of project milestones.

• Conducted thorough analysis of COVID-19 and vaccine datasets using Python; Pandas for data manipulation, and NumPy for numerical computations.• Created insightful visualizations using Matplotlib and Seaborn to present key findings and trends effectively.• Utilized advanced statistical methods to categorize the data into distinct segments including rumors, facts, and actionable solutions, providing valuable insights for decision-making.• Implemented rigorous data cleaning and validation procedures to maintain data accuracy and reliability throughout the analysis process.• Worked closely with cross-functional teams to develop customized strategies aimed at increasing vaccine acceptance within the community, leveraging insights derived from comprehensive data analysis.