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@stephen-macharia

Stephen Macharia

@stephen-macharia·Kenya·Joined June 2025

Software Engineer | FHIR & Digital Health Implementer | Building scalable health systems for Kenya and East Africa.

About

FHIR, HL7V2, DICOM, MIRTH CONNECT, OPENEMR, PROGRAMMER

Available for

I am available for consulting and implementation projects focused on digital health systems in Kenya and East Africa, with a core emphasis on Medby Tech—developing medical systems that bridge clinical care, technology, and public health outcomes. I specialize in EMR customization (including OpenEMR), FHIR, HL7 v2, DICOM, and MirthConnect, offering deep expertise in building interoperable, standards-based health infrastructure tailored to regional needs. I’m open to collaborations with health programs, Medby Te.

Stephen Macharia's blogs

Kenya-FHIR & EMR Insights | Stephen Macharia's Digital Health Blogstephen-macharia.hashnode.dev73 posts

About

FHIR, HL7V2, DICOM, MIRTH CONNECT, OPENEMR, PROGRAMMER

Available for

I am available for consulting and implementation projects focused on digital health systems in Kenya and East Africa, with a core emphasis on Medby Tech—developing medical systems that bridge clinical care, technology, and public health outcomes. I specialize in EMR customization (including OpenEMR), FHIR, HL7 v2, DICOM, and MirthConnect, offering deep expertise in building interoperable, standards-based health infrastructure tailored to regional needs. I’m open to collaborations with health programs, Medby Te.

Stephen Macharia's blogs

Kenya-FHIR & EMR Insights | Stephen Macharia's Digital Health Blogstephen-macharia.hashnode.dev73 posts

Articles Comments1

Recently published

SMStephen Machariainstephen-macharia.hashnode.dev·Jul 31 · 4 min read

Intent-Driven Software Engineering: The Next Abstraction Layer After AI Coding?

What if the source code of the future is no longer the primary artifact of software development? For decades, software engineering has evolved through one consistent pattern: abstraction. Every major

SMStephen Machariainstephen-macharia.hashnode.dev·Jul 24 · 5 min read

Building a SMART on FHIR Client Against OpenEMR: A Deep Dive into OAuth2, PKCE, and Patient Context

SMART on FHIR is one of the most important standards in healthcare interoperability. While most tutorials demonstrate how to read a Patient resource, very few explain what actually happens during the

SMStephen Machariainstephen-macharia.hashnode.dev·Jul 18 · 7 min read

STRIDE Threat Modeling for Healthcare APIs: A Practical Guide for FHIR, OpenEMR, and API Gateway Security

Modern healthcare is powered by APIs. Whether you're integrating OpenEMR, building FHIR services, exchanging HL7 v2 messages, or sharing medical images through DICOM, APIs have become the backbone of

SMStephen Machariainstephen-macharia.hashnode.dev·Jun 22 · 3 min read

How a Unit Conversion Error Cost NASA a $327 Million Mars Mission

When we think about major engineering failures, we often imagine faulty hardware, broken software, or complex system crashes. But sometimes, the cause is much simpler. One of the most famous examples

SMStephen Machariainstephen-macharia.hashnode.dev·May 26 · 3 min read

Design Should Bypass Complexity, Not Users

In modern digital product design, one principle separates good experiences from frustrating ones. Great design does not just simplify interfaces. It hides complexity from the user entirely. When users