Lewis Mosage

Working on a smart, multi-modular insurance ecosystem integrating provider management, claims processing, and an online pharmacy platform.

Full Stack Engineer at Accord Managed Health Care (2025-08 – Present)

Working on a smart, multi-modular insurance ecosystem integrating provider management, claims processing, and an online pharmacy platform.

• Architecting and developing modular features using Next.js (App Router) and Node.js (Express) to support insurance, provider, and pharmacy workflows.
• Designing and managing relational data models in PostgreSQL for policies, claims, preauthorizations, prescriptions, and financial transactions.
• Building secure authentication and role-based access control (RBAC) systems for insurers, providers, pharmacies, and internal teams.
• Developing dynamic dashboards and analytics modules for finance, network management, and operational reporting.
• Optimizing API performance and database queries to handle high-volume transactional workflows.
• Collaborating in Agile sprints with product managers, QA, and design teams to deliver scalable, production-ready modules.
• Key Achievement: Contributed to the development of a scalable multi-module insurance/providers/facilities and pharmacy system designed to streamline policy management, claims processing, and provider operations within a unified platform.

Full Stack Engineer at HealthSync Technologies (2022-01 – 2025-07)

Worked with a health-tech startup building HIPAA-compliant patient data systems and appointment dashboards for clinics.

• Collaborated in Agile sprints with designers and backend developers to deliver secure REST APIs using Django and FastAPI.
• Built scalable, reusable frontend components with React.js, improving response time by 35%.
• Optimized PostgreSQL queries, reducing average data fetch latency by 40%.
• Developed real-time patient monitoring dashboards using WebSockets and React Hooks.
• Implemented continuous integration pipelines with Docker, GitHub Actions, and test automation.
• Key Achievement: Helped launch a patient record system now used by 15+ clinics.

Software Developer at Meditest Hospital (2021-07 – 2021-12)

Led the development of a full-featured hospital management system used for daily clinical and administrative operations.

• Architected and developed a secure, web-based health information system using Python (Django) and PostgreSQL to manage patient records, prescriptions, and appointments.
• Designed responsive front-end interfaces with HTML, CSS, and JavaScript to ensure usability across desktop and mobile devices.
• Implemented secure transaction workflows to protect sensitive patient and billing data.
• Integrated SMS reminders and PDF generation tools for appointment alerts and clinical reports.
• Regularly maintained the system, fixing bugs, optimizing database queries, and responding to staff feedback.
• Key Achievement: Delivered a live, secure hospital management system still in daily use, improving operational efficiency and data accessibility for clinicians and administrative staff.

Full-Stack Software Development – IBM (2024)

Diploma in Project Management – Mount Kenya University