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Stephen Macharia (@stephen-macharia) | Hashnode

@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.dev77 posts

Articles Comments1

# PHP2Shell: Two Critical PHP Vulnerabilities

Two critical vulnerabilities. One vulnerable runtime. Potential remote code execution. CRITICAL · CVSS 4.0: 9.2 CVE-2026-109618 · CVE-2026-109619 PHP2Shell refers to two reported PHP runtime vulnera

Oct 22 · 2 min readstephen-macharia.hashnode.dev

PHP2Shell: Critical RCE Vulnerabilities in the PHP Runtime

Two critical vulnerabilities. One vulnerable runtime. Potential remote code execution. CRITICAL · CVSS 4.0: 9.2 CVE-2026-109618 · CVE-2026-109619 PHP2Shell refers to two reported PHP runtime vulnerabi

Oct 22 · 2 min readstephen-macharia.hashnode.dev

King Midas Had an AI Problem

The ancient Golden Touch is a surprisingly good way to understand AI agents, automation, and the danger of giving systems too much power. Long before anyone talked about artificial intelligence, there

Sep 9 · 9 min readstephen-macharia.hashnode.dev

Debugging a 403 CSRF Error in a CodeIgniter DataTables Application

While working on a legacy PHP Point-of-Sale application built with CodeIgniter, I recently encountered an interesting problem. The invoice management page was loading correctly, but the invoice table

Aug 19 · 10 min readstephen-macharia.hashnode.dev

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

Jul 31 · 4 min readstephen-macharia.hashnode.dev

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.dev77 posts