Ken Chapple is a senior software engineer with 15 years of experience building full-stack, cloud-native healthcare applications and open-source EHR tools. He blends hands-on development in Java, Python, Node/Laravel, and modern front-ends (Vue/React/TypeScript) with architecture and AWS infrastructure work to deliver reliable SaaS at scale. At NextGen and MI-Squared he led large rewrites, introduced feature-flagging and rigorous component testing, and drove performance wins that dramatically reduced support load. An active contributor to prominent open-source projects like OpenEMR and LibreHealth, he has implemented plugin systems, appointment/report fixes, and security-minded document features that improved interoperability and data integrity. Based in Asheville, NC, he mentors teams, breaks complex requirements into actionable work, and pairs product empathy with a passion for using technology to improve population health.
15 years of coding experience
19 years of employment as a software developer
MS, Computer Science, MS, Computer Science at Portland State University
BS, Computer Science, BS, Computer Science at State University of New York at Fredonia
LibreHealth EHR - Free Open Source Electronic Health Records
Role in this project:
Full-stack Developer
Contributions:28 commits, 25 PRs, 2 pushes in 2 years 6 months
Contributions summary:Ken's primary contributions revolve around the implementation of a plugin system, including migrations, a hooks system, and tag/filter functionalities. They integrated these features into the LibreHealth EHR system, focusing on tag management within patient demographics and building a filter builder form for patient searches. The work extended to incorporating tag filters into the calendar and addressing namespace and migration issues. Additionally, the user made changes to the bootstrap-editable.js file.
The most popular open source electronic health records and medical practice management solution.
Role in this project:
Back-end Developer
Contributions:49 reviews, 76 commits, 49 PRs in 11 years 5 months
Contributions summary:Ken focused on enhancing and debugging the appointment report feature, including implementing 24-hour clock display, showing available slots, and fixing a bug for recurring appointments. They also fixed email reminders by generating messages using action titles and category labels, and by showing authorization for email and SMS in the reminders screens. Additionally, they contributed to the documents module, adding features for document SHA-1 checks and encryption, and made bug fixes and code improvements throughout various modules.
emrfhirelectronicmedicalelectronic-health-records
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Ken Chapple - Senior Software Engineer at Relocity, Inc.