Led the development of scalable Health Management Information Systems (HMIS) using Ruby on Rails and PostgreSQL, ensuring high availability and performance. Designed and maintained RESTful APIs for seamless integration with external healthcare systems, improving data accessibility by 30%. Implemented secure payment processing endpoints (Mpesa, Quikk) with robust callback handling, enhancing transaction reliability. Conducted code reviews and wrote RSpec tests to ensure code quality and maintainability. Collaborated with cross-functional teams in Agile sprints to deliver optimized, user-focused solutions. Key Achievement: Enhanced HMIS platform scalability, enabling real-time data sharing across healthcare facilities, reducing latency by 25%.

Developed and maintained RESTful APIs using Ruby on Rails, ensuring seamless integration with frontend applications and third-party systems. Optimized cloud-based deployments (AWS, Azure) for the Blood Management Information System (BMIS), improving system uptime to 99.9%. Participated in Agile sprints, analyzing user stories and contributing to scalable system designs. Key Achievement: Led BMIS revamp, integrating with The Nairobi Hospital’s labware, enabling secure and efficient data exchange.

Built RESTful APIs with Ruby on Rails and integrated third-party services for efficient data management. Adopted Agile methodologies to enhance team collaboration and adapt to evolving project requirements. Reduced system issue resolution time by 50% through proactive troubleshooting and optimization. Key Achievement: Designed scalable backend systems to support growing user bases, improving performance under high load.