Rolando A.
Senior Data Engineer
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About
Rolando A. is a Software developer with over 15 years of experience specializing in healthcare and hospital information systems. He has a proven track record of designing and optimizing data architectures for clinical and financial datasets, utilizing tools like Snowflake, Databricks, and Power BI. Rolando’s work includes Software Development, building scalable ETL pipelines with SQL and Python, delivering real-time analytics, and developing BI dashboards to support hospital executives in making informed decisions. He has led projects such as a hospital data warehouse with advanced data modeling, patient admissions analytics, revenue tracking, and diagnosis standardization. Rolando has also managed mobile app projects in the sports industry, developed auto-diagnosis systems for garages, and designed secure, high-availability database systems supporting over a million medical records. His hands-on approach ensures data reliability, regulatory compliance, and actionable insights across healthcare domains.
Experience
Project Manager
Spann and Bunker Technology · 2021 — 2025Oversaw the complete development process of a mobile application targeted at golfers, from initial concept through to its launch on the App Store and Play Store. Collaborated with UI/UX designers, developers, QA, and stakeholders to meet project deadlines and quality standards. Established project scope, timelines, and milestones following Agile methodology, including conducting sprint planning and retrospectives. Integrated user feedback and usage analytics to prioritize features and foster ongoing enhancements. Managed project risks, budgets, and resource allocation, ensuring adherence to timelines and financial constraints.Hospital Information-System Developer
Freelance & Side Projects · 2005 — 2021Designed and built scalable database architectures using MySQL for over 1 million patient and billing records, ensuring 99.9% uptime. Enhanced schemas and optimized SQL queries, significantly reducing report generation times and improving overall system performance across multiple areas. Created Power BI dashboards that facilitated real-time decision-making concerning admissions, medical cases, HMOs, and PhilHealth claims. Implemented measures for data security and compliance with healthcare regulations, including encryption, access control, and audit logging. Collaborated with hospital executives to align technical architecture with organizational objectives, translating needs into effective solutions. Resolved intricate data-related system issues to maintain reliability for clinical and administrative users.MIS Chief/Software Developer
Dr. Fe Del Mundo Medical Center · 1999 — 2005Implemented and tailored the Hospital System for various departments. Integrated modules for accounting and conducted training sessions for end users across the hospital. Managed LAN setups, ensuring the security and performance of the systems.Programmer / System Analyst
Dataware Corporation · 1998 — 1999Deployed and sustained hospital software solutions at client locations. Directed the design and implementation of the inaugural computerized Medicare form (PhilHealth) in the Philippines. Worked closely with users to refine system requirements and enhance functionality.Programmer
Banawe Computer Square · 1995 — 1998Developed various business applications, including inventory and payroll systems. Engaged in the full software development lifecycle, from planning through deployment and maintenance. Collaborated with QA teams to address issues and optimize software performance.
Skills & Expertise
Education
- Bachelor of Science in Computer ScienceAdamson University · 1990 — 1995
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