David Maina

Built and maintained end-to-end features using React (frontend) and Node.js/Express (backend)
Designed REST APIs for core modules (auth, payments, reporting) and integrated external services (e.g., Stripe, Firebase)
Modeled and optimized PostgreSQL/MySQL databases, improving query performance and reducing load times
Implemented authentication and role-based access control (JWT, OAuth)
Diagnosed an

Design, develop, and maintain scalable full-stack web applications
Build and optimize RESTful APIs and backend services
Develop responsive, high-performance frontend interfaces
Collaborate with product, design, and engineering teams to deliver new features
Write clean, maintainable, and well-tested code
Participate in code reviews and enforce best engineering practices
Optimize applications for ma

Led development of AI-powered digital platforms integrating generative and predictive models to automate workflows and enhance personalization.
Architected modular, microservice-based systems for fintech, retail, and hospitality clients.
Integrated APIs and third-party tools (payroll, biometrics, CRM, cloud storage) to unify business operations.
Delivered analytics dashboards and automation pipeli

Engineered a scalable ERP architecture, ensuring seamless integration with existing systems.
Led the development of frontend and backend components, improving code quality by 40%.
Optimized database schemas, reducing query processing time by 20%.
Conducted performance analysis and implemented optimizations, enhancing system efficiency.
Collaborated with QA teams to develop and execute rigorous tes

Unified customer interactions across channels, increasing customer satisfaction by 15%.
Consolidated customer information for better tracking and analytics, improving data accuracy.
Created and tracked campaigns, leading to a 20% increase in customer engagement.
Developed an Automatic Call Distribution feature, reducing call handling time by 25%.
Built a comprehensive reporting module, providing i

Collaborated with county stakeholders to refine project management requirements, aligning them with local government objectives.
Engineered a scalable project management system that enhanced task tracking and timeline management, increasing project efficiency by 25%.
Integrated real-time messaging and collaboration tools, improving team communication and cutting project delays by 20%.
Implemented

Collaborated with stakeholders to capture and refine performance management requirements, ensuring alignment with the county's needs.
Designed and developed a scalable performance management system that enhanced KPI tracking and reporting by 35%.
Integrated the system with county databases for seamless data synchronization, reducing manual data entry by 40%.
Implemented advanced security protocols

Architected and developed scalable web applications, accommodating a 40% increase in client usage and user engagement.
Designed and implemented responsive user interfaces, enhancing UX/UI and boosting user satisfaction by 30%.
Engineered robust server-side components and RESTful APIs, ensuring seamless data flow and reducing system latency by 25%.
Integrated third-party services and APIs, streamli

Deployed KenyaEMR in over 20 hospitals, optimizing electronic medical record systems and enhancing patient care quality by 30%.
Led on-site training sessions for hospital staff, achieving a 95% adoption rate of new EMR workflows and reducing data entry errors by 40%.
Customized KenyaEMR configurations for diverse hospital needs, resulting in a 25% improvement in data accuracy and workflow efficien

Needs Assessment: Conducted thorough needs assessment sessions.
System Design: Designed a performance management system for county governments.
Reporting and Visualization: Created comprehensive reporting functionalities.
User Access and Permissions: Implemented secure user access controls.
Compliance and Data Security: Ensured compliance with data protection regulations.
Documentation and Knowled

Requirements Gathering: Collaborated with stakeholders to gather MIS requirements.
System Design and Architecture: Designed a scalable and efficient MIS with data accuracy and
security.
Data Collection and Management: Implemented robust data collection mechanisms for assessment.
Performance Measurement and Reporting: Designed features for performance analysis and reporting.
User Access and Permiss