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DEV Challenges

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

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Revive old projects using GitHub Copilot

Jess Lee for The DEV Team

May 21

Join the GitHub Finish-Up-A-Thon Challenge: $3,000 Prize Pool!

#githubchallenge #devchallenge #githubcopilot

3 min read

GitHub “Finish-Up-A-Thon” Challenge Submission

Syed Ahmer Shah

May 23

I Built a Production-Grade E-Commerce Platform in 3 Months — GitHub Copilot Was My Co-Founder

#devchallenge #githubchallenge #php #webdev

9 min read

Gemma 4 Challenge: Write about Gemma 4 Submission

IBIYEMI Samuel O.

May 23

Gemma 4 on Android: Tricks for Faster On-Device Inference

#devchallenge #gemmachallenge #gemma #android

8 min read

Gemma 4 Challenge: Build With Gemma 4 Submission

Dickson Kanyingi

May 23

Multimodal Gemma 4 Visual Regression & Patch Agent

#devchallenge #gemmachallenge #gemma #ai

6 min read

Google I/O Writing Challenge Submission

May 23

Why WebMCP Is the Most Important Thing Google Announced at I/O 2026 (And Nobody's Talking About It)

#devchallenge #googleiochallenge

6 min read

Hermes Agent Challenge Submission: Write About Hermes Agent

May 23

I Build ML Infrastructure for a Living — Here's Why Hermes Agent Changes the Game for Platform Engineers

#hermesagentchallenge #devchallenge #agents #kubernetes

7 min read

Google I/O Writing Challenge Submission

May 23

I Spent 108 Commits Building Infrastructure. Google I/O 2026 Shipped It as One API Call.

#devchallenge #googleiochallenge

8 min read

Google I/O Writing Challenge Submission

Iryna Katmaieva

May 23

The Most Underrated Announcement at Google I/O 2026

#devchallenge #googleiochallenge #ai #testing

3 min read

Google I/O Writing Challenge Submission

Mettusella

May 23

Building a Real Android App at Google I/O 2026: No Kotlin, Just Prompts

#devchallenge #googleiochallenge #ai

6 min read

Gemma 4 Challenge: Build With Gemma 4 Submission

Osvaldo Dias dos Santos

May 23

Surgically Cleaning Code: A Gemma 4 AI Tool for Repairing Corrupted Snippets

#devchallenge #gemmachallenge #gemma #javascript

2 min read

Gemma 4 Challenge: Write about Gemma 4 Submission

PlayOverse

May 23

🛡️ Gemma Guard: Ending the “Accept All” Trap with Local-First AI Defense

#gemmachallenge #devchallenge #gemma #privacy

3 min read

Gemma 4 Challenge: Build With Gemma 4 Submission

BABBLED77

May 23

Babbled Notes: turning hums, taps, and breath into editable music code with Gemma 4

#devchallenge #gemmachallenge #gemma

3 min read

Gemma 4 Challenge: Write about Gemma 4 Submission

May 23

Gemma 4's Silent Trade-off

#devchallenge #gemmachallenge #gemma

5 min read

Google I/O Writing Challenge Submission

Awosise Oluwaseun

May 23

Google I/O 2026 Told Me AI Can Help Learners — So I Built an Entire Skill System for My Master's Degree

#devchallenge #googleiochallenge

9 min read

Gemma 4 Challenge: Write about Gemma 4 Submission

Rome

May 23

Gemma 4 dense by default: why your local agent doesn't want the MoE

#devchallenge #gemmachallenge #gemma

11 min read

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