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@samkeen

Sam Keen

@samkeen

Software Dev @ AWS (my opinions are my own))

Vancouver, WAJoined September 2023

About

Experienced Software Development Leader | Expertise in Cloud Architecture | Spearheaded Projects at AWS, Lululemon, & Nike

Sam Keen's blogs

SamKeen.devsamkeen.dev15 posts

ExploreGameDevexploregame.dev15 posts

About

Experienced Software Development Leader | Expertise in Cloud Architecture | Spearheaded Projects at AWS, Lululemon, & Nike

Sam Keen's blogs

SamKeen.devsamkeen.dev15 posts

ExploreGameDevexploregame.dev15 posts

Recently published

samkeen.dev

I've moved to Substack

👋 Hello, I am happy you found or stumbled upon my site, I actively post on AlteredCraft

Nov 28, 2025·1 min read

samkeen.dev

Taming Error Flow with Result Objects in Python

Error handling is a critical aspect of software development, yet it's often overlooked or implemented in ways that can lead to confusing and hard-to-maintain code. This article explores the limitations of traditional exception-based error handling an...

Nov 12, 2024·10 min read

samkeen.dev

Python Protocols: Combining Duck Typing with Type Hints for Better Coding

Python's dynamic nature and support for duck typing have long been praised for their flexibility. However, as codebases grow larger and more complex, the benefits of static type checking become increasingly clear. But how can we reconcile the flexibi...

Aug 3, 2024·4 min read

samkeen.dev

Understanding Enums in Rust: A Beginner's Guide

If you're new to Rust, you might have encountered enums and wondered what they're all about. In this post, we'll explore Rust enums, their uses, and how they can make your code more expressive and safer. We'll cover basic enums, enums with associated...

Jul 5, 2024·8 min read

samkeen.dev

Enhancing RAG Systems with Rerankers: A Practical Guide

In the rapidly evolving field of AI, Retrieval-Augmented Generation (RAG) has emerged as a powerful technique for enhancing the capabilities of large language models. This post will guide you through the process of improving RAG systems using reranke...

Jun 25, 2024·12 min read