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DEV Challenges

This is the official tag for submissions and announcements related to DEV Challenges.

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How Unsafe AI Code Could Harm Critical Systems — And Why Execution Control Matters

DEV Weekend Challenge: Earth Day

How Unsafe AI Code Could Harm Critical Systems — And Why Execution Control Matters

2
Comments 1
4 min read
I tested the same self-monitoring role doc on Claude and Gemma 4. Here's what survived.

Gemma 4 Challenge: Write about Gemma 4 Submission

I tested the same self-monitoring role doc on Claude and Gemma 4. Here's what survived.

6
Comments 7
3 min read
Everyone Wants AI Agents. Fewer Teams Are Ready for the Messy Business Context Behind Them

Google Cloud NEXT '26 Challenge Submission

Everyone Wants AI Agents. Fewer Teams Are Ready for the Messy Business Context Behind Them

3
Comments
5 min read
Gemma 4 Error Log Simplifier — AI-Powered Debugging Insights from Raw Logs

Gemma 4 Challenge: Build With Gemma 4 Submission

Gemma 4 Error Log Simplifier — AI-Powered Debugging Insights from Raw Logs

4
Comments
2 min read
Earth Day Edition

DEV Weekend Challenge: Earth Day

Earth Day Edition

4
Comments
1 min read
I fine-tuned a bias judge for $30. The training was the easy part.

Gemma 4 Challenge: Write about Gemma 4 Submission

I fine-tuned a bias judge for $30. The training was the easy part.

1
Comments 1
5 min read
Congrats to the Notion MCP Challenge Winners!

AI-powered workspace and GitHub automation

Congrats to the Notion MCP Challenge Winners!

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Comments 24
3 min read
"Be Anything You Want" — OK, Here's How (Technically)

April Fools Challenge Submission ☕️🤡

"Be Anything You Want" — OK, Here's How (Technically)

8
Comments
2 min read
Day 4 – Array Problem Solving Practice (JavaScript)

Day 4 – Array Problem Solving Practice (JavaScript)

1
Comments
2 min read
Unlocking Our Creative Superpowers to Model the World

Google Cloud NEXT '26 Challenge Submission

Unlocking Our Creative Superpowers to Model the World

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Comments 1
3 min read
🌍 Eco Swap – Small Changes, Big Impact

DEV Weekend Challenge: Earth Day

🌍 Eco Swap – Small Changes, Big Impact

2
Comments
1 min read
Why the Real AI Revolution Won't Happen in the Cloud (And Why I Bet on Gemma 4 E4B) : My personal experience :)

Gemma 4 Challenge: Write about Gemma 4 Submission

Why the Real AI Revolution Won't Happen in the Cloud (And Why I Bet on Gemma 4 E4B) : My personal experience :)

4
Comments
3 min read
The Best Cursor Experience

April Fools Challenge Submission ☕️🤡

The Best Cursor Experience

Comments
1 min read
🚀 The End of the Memory Wall — And the Beginning of the Coordination Problem

Google Cloud NEXT '26 Challenge Submission

🚀 The End of the Memory Wall — And the Beginning of the Coordination Problem

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Comments 3
3 min read
Day 3 of Problem Solving

Day 3 of Problem Solving

2
Comments
1 min read
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