// for engineers & curious beginners
Code, AI tools &
the tech behind them
explained
for everyone
for everyone
Tutorials, deep-dives and plain-English guides. Whether you write code every day or you just want to understand how Claude Code actually works — you’re in the right place.
visitor@ls:~$ whoami
→Senior engineer. AI builder. Enthusiastic explainer.
visitor@ls:~$ cat topics
→Java · AWS · LangGraph · Claude Code
visitor@ls:~$ cat audience
→Everyone. Seriously, everyone.
visitor@ls:~$
Latest Posts
view all →
Beginner5 min read
AI-Powered Developer Tools: Building with LLM APIs
Building developer tools powered by LLMs has genuinely changed how I work as a developer. Deep dive into practical techniques and what actually works.
Deep Dive12 min read
How to Create iOS & Android Apps Using React Native and Expo
Step-by-step from setup to launch — create cross-platform mobile apps without maintaining two separate codebases.
Intermediate7 min read
World of Micro Frontends
Explore the benefits and architecture of micro frontends — the pattern reshaping how large web applications are built and deployed.
Intermediate8 min read
Leveraging the BFF Pattern
Improve your UI development with the Backend-for-Frontend pattern — cleaner APIs, better separation of concerns, happier teams.
Deep Dive10 min read
Publishing a Library to Maven Central
Step-by-step guide to publishing your Java library — signing, Sonatype requirements, and everything that trips people up the first time.
Beginner6 min read
AWS S3 UI in GoLang
A simple AWS S3 admin web UI in Go — browse buckets, upload and delete files through a clean minimal interface. Full code on GitHub.
// about the author
Hey, I’m the
Logical Sapien
A software engineer who documents what I build and learn — from Spring Boot to Kubernetes, React to AWS. Hands-on guides, practical code, no fluff.
Whether you’re just getting started or looking to level up, there’s something here for every stage of the journey.
More about me →