Chris Lettieri – Medium

Chris Lettieri

he/him

Chris Lettieri

Shuffling in Spark: How to Balance Performance With Getting It Done

Spark is wonderful, Spark is awful.

5d ago

Shuffling in Spark: How to Balance Performance With Getting It Done

5d ago

Chris Lettieri

I just built my first Neural Network: Here’s how I learned it in just 3 weeks

My simple neural network architecture to solve XOR

Oct 19

I just built my first Neural Network: Here’s how I learned it in just 3 weeks

Oct 19

Chris Lettieri

My Attempt at a Tree-View Hierarchical Summarizer to Read with AI

Do you have too much to read?

Jul 13

My Attempt at a Tree-View Hierarchical Summarizer to Read with AI

Jul 13

Chris Lettieri

Pushing the Right Buttons: How My Son Taught Me to Find High-Impact Work as a Staff Engineer

A moment with my son inspired a simple yet powerful framework that I now use: Listen-Do-Share.

Jun 24

Pushing the Right Buttons: How My Son Taught Me to Find High-Impact Work as a Staff Engineer

Jun 24

Chris Lettieri

Talk about AI like an expert: a short guide for beginners

I’m on my friend’s rooftop terrace recording an episode for my new podcast (AI for Real Life) with him.

Jun 14

Talk about AI like an expert: a short guide for beginners

Jun 14

Chris Lettieri

What is RAG and how can it be used to train LLMs on your own data?

Retrieval Augmented Generation (RAG) allows LLMs to “augment” their knowledge with data outside the model.

May 31

What is RAG and how can it be used to train LLMs on your own data?

May 31

Chris Lettieri

I trained a local LLM on my Obsidian, here’s what I learned

It’s amazing what you can do for free with open source models on a 4 year old computer.

May 25

I trained a local LLM on my Obsidian, here’s what I learned

May 25

Chris Lettieri

My Framework for Learning in Public as a Staff Engineer

WHY BOTHER?

May 17

My Framework for Learning in Public as a Staff Engineer

May 17

Chris Lettieri

What is storytelling and why should software engineers care?

Here’s why I’ve become obsessed with finding stories to tell and how you can too.

May 11

What is storytelling and why should software engineers care?

May 11

Chris Lettieri

How to Start a Podcast in 10 Minutes as a Part-Time Creator

The moment I hit ‘publish’ on my first podcast episode, I stepped into a world I never imagined.

Mar 9

How to Start a Podcast in 10 Minutes as a Part-Time Creator

Mar 9

Chris Lettieri

Chris Lettieri

he/him

Trader turned data engineer, building deep neural networks on time series data. I like second brains and podcasting @ (https://bitsofchris.com).

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