Solutions Architect + Staff Engineer

Systems-level thinking, practical engineering, and clear explanations of complex technology.

I publish deep-dive articles and videos on AI, Machine Learning, Distributed Systems, and Data Structures & Algorithms. Explore the latest work below.

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13+ yearsEngineering experience
SystemsCloud + distributed design
AI/MLResearch to production
Featured ArticleLatest
Your Phone is a Data Center: Understanding WhatsApp’s “Local-First” Design

Your Phone is a Data Center: Understanding WhatsApp’s “Local-First” Design

Featured on Medium...

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Medium articles

Architecture, AI, and engineering

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Kinesis vs. Kafka: The “Buy vs. Build” Reality Check for 2026
Medium

Kinesis vs. Kafka: The “Buy vs. Build” Reality Check for 2026

Jan 18, 2026

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Your Phone is a Data Center: Understanding WhatsApp’s “Local-First” Design
Medium

Your Phone is a Data Center: Understanding WhatsApp’s “Local-First” Design

Jan 6, 2026

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Knowledge vs Politics: Who Really Wins in the Workplace?
Medium

Knowledge vs Politics: Who Really Wins in the Workplace?

Aug 29, 2025

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Upgrade your Angular 6 App to Angular 8
Medium

Upgrade your Angular 6 App to Angular 8

Nov 15, 2019

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How to read a book more than just the Introduction Chapter
Medium

How to read a book more than just the Introduction Chapter

Jun 2, 2019

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Access SharePoint On-Premise List through CSOM in .Net Core
Medium

Access SharePoint On-Premise List through CSOM in .Net Core

May 31, 2019

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Manage your multiple client projects in Azure DevOps
Medium

Manage your multiple client projects in Azure DevOps

May 31, 2019

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Manage your multiple client projects in Azure DevOps
Medium

Manage your multiple client projects in Azure DevOps

May 31, 2019

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YouTube videos

AI, ML, distributed systems

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You Won't Believe How MCP Can FIX Your Jira and Confluence Workflow
Featured video

You Won't Believe How MCP Can FIX Your Jira and Confluence Workflow

From the AI + ML playlist

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You Won't Believe How MCP Can FIX Your Jira and Confluence Workflow

You Won't Believe How MCP Can FIX Your Jira and Confluence Workflow

Aug 9, 2025

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You Won't Believe How EASY it is to Run LLMs Locally with Docker

You Won't Believe How EASY it is to Run LLMs Locally with Docker

Aug 9, 2025

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Run Your Own Private AI! Build a Local App with Ollama + React

Run Your Own Private AI! Build a Local App with Ollama + React

Aug 2, 2025

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About me

Hi, I'm Joy

A continuous learner and a teacher. I like to architect solutions and give solutions to complex problems. I do blog about technology, gadgets, code, the web, where we’re going. I'm excited about machine learning, artificial intelligence and the open web.

ArchitectCloud-native systems
MentorEngineering leadership
BuilderAI-powered products

Focus areas

  • Distributed systems architecture + reliability
  • AI/ML systems design + deployment
  • Data structures, algorithms, and performance
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