AI Weekender
Claudia NgI write weekly for data scientists and engineers building with AI tools and coding agents.
| Platform |  | Pricing | Freemium | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 70 | Founded | a year ago | Last Issue | 8 days ago |
| Active | |||||
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aiweekender.substack.comLatest Issues
Fine-Tuning LLMs: When to Do It and When Not To
If you’ve been following AI engineering, you’ll have seen fine-tuning showing up everywhere, from job postings to Hugging Face repos to conference talks.
Fine-tuning is worth knowing if you’re serious about AI engineering or building an AI...
When Your Coding Agent Says Done (And Isn’t)
Session fixes for false progress, doom loops, and instruction drift in Claude Code and Cursor (after re-prompting made my stuck sessions worse).
In last week’s post, I mapped what’s inside a coding agent and named ten common failure patter...
How Coding Agents Actually Work Under the Hood (and Why They Go Wrong)
“It should be a quick UI change,” I told myself.
A few weeks ago, I made a small frontend tweak in Cursor and opened a PR. All tests passed and the screen I cared about looked fine. But when I clicked around the web app, something else bro...
6 LLM Prompting Techniques for Data Scientists and Engineers in 2026
I’ve been leaning heavily into agentic coding this year using Claude Code, Cursor, and similar tools to the point where I’m writing far more natural language than actual code.
This shift forced me to take prompting seriously in a way I ha...
Should You Run an LLM on Your Phone?
Google launched Gemma in 2024 as a family of open-weight models, but running small language models (SLMs) directly on mobile devices got much better with the Gemma 4 release in March 2026.
Then in April 2026, they shipped Google AI Edge Ga...
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I write weekly for data scientists and engineers building with AI tools and coding agents | ML Engineer at Silicon Valley FinTech startups | Harvard alum | PyCon Austria 2026
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