Medium

Joel Ugwa

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Joel Ugwa

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Dec 3, 2025

5 Years, 4 Stacks, and the Silence in Between

I’ve spent half a decade building with Flutter, React, Node, and Go. It’s time to talk about the messy, complex reality of production…

5 Years, 4 Stacks, and the Silence in Between

Joel Ugwa

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Nov 7

Shipping Agents Safely: What Designing a Finance Agent Taught Me

Most of what I learned shipping AI features was about guarding a model’s output: validating what it returns, handling failure, keeping…

Shipping Agents Safely: What Designing a Finance Agent Taught Me

Joel Ugwa

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Mar 30

Shipping AI to Production: What I Learned Building FundPilot and Aura Drive

I shipped two AI-powered features to production in the last 4 months. One is live with real users. One goes live this week. Neither is a…

Shipping AI to Production: What I Learned Building FundPilot and Aura Drive

Joel Ugwa

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Mar 20

The JWT Race Condition That Logged Users Out Randomly

It wasn’t a bad token. It was two good requests arriving at the wrong time.

The JWT Race Condition That Logged Users Out Randomly

Joel Ugwa

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Feb 1

The Bug I Couldn’t Reproduce — Until I Stopped Testing on My Own Phone

Three weeks ago, I started getting messages from users of an app we shipped last year.

The Bug I Couldn’t Reproduce — Until I Stopped Testing on My Own Phone

Joel Ugwa

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Jan 4

3 Backend Security Mistakes Automated Scanners Won’t Find.

Why auth ≠ permission, and how logic bugs quietly break real systems

3 Backend Security Mistakes Automated Scanners Won’t Find.

Joel Ugwa

·

Dec 21, 2025

The Difference Between a Junior and Senior Code Review (It’s Not About Syntax)

Early in my career, I treated code reviews like a checklist.

The Difference Between a Junior and Senior Code Review (It’s Not About Syntax)

Joel Ugwa

·

Dec 11, 2025

Stop Using useEffect to Manage State. Do This Instead.

There was a period in my React journey where I genuinely believed that useEffect was the heart of everything.

Stop Using useEffect to Manage State. Do This Instead.

Joel Ugwa

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Dec 9, 2025

The Math Behind the Magic: How Offline 2FA Really Works

The Math Behind the Magic: How Offline 2FA Really Works

The Math Behind the Magic: How Offline 2FA Really Works

Joel Ugwa

·

Dec 6, 2025

The “Async Gap” Killer: Fixing Flutter’s Most Common Production Crash

We’ve all been there.

The “Async Gap” Killer: Fixing Flutter’s Most Common Production Crash

Joel Ugwa

Joel Ugwa

Software engineer who started out mapping the world. Now I build apps, explore AI, and share little “aha” moments in Flutter, GIS, and machine learning.

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