System Design
That Little Square Does a Lot: How QR Codes Actually Work
Apr 15, 2026 · 12 min read
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- Writes about
- Backend architecture · distributed systems · AI agents in production
- Latest post
- New HTTP Method Just Dropped: Meet QUERY
- Daily digest · Oct 30, 2026
- Google unveils Gemini 4 Carbon and Robotics ER 2, Mistral
- By
Ratnesh Maurya · SDE at Initializ
Deep dives written from building and debugging real systems — Go and Elixir services, Postgres, Kafka, Kubernetes — plus a curated daily digest for builders who ship.
- long-form posts
- 14
- technical terms explained
- 69
- daily news digests
- 127
- topics, from Go to Kubernetes
- 8
§ 01 — Featured
Start here if you are new.
§ 02 — Latest writing
Fresh from the lab.
Web Development
Chrome 144's <geolocation> Element: Declarative Location Access
RM
Feb 24, 2026 · 5 min read
System Design
How Files Are Stored, Deleted, and Copied Inside Your Computer
RM
Feb 20, 2026 · 6 min read
Computer Science
The Mechanics of Compression: How 100GB Becomes 25GB
RM
Feb 19, 2026 · 12 min read
Web Development
Building This Blog: A Modern Next.js Blog with Markdown
RM
Sep 8, 2025 · 5 min read
Golang
Optimizing Memory Layout in Go: A Deep Dive into Struct Design
RM
Jan 10, 2025 · 4 min read
AWS
Deploy a Nanoc Static Site to S3 with GitHub Actions
RM
Nov 23, 2024 · 4 min read
Term of the day
Exactly-Once Semantics
Exactly-once semantics guarantees that a message or operation is processed once and only once, despite retries, crashes, and network failures.
§ 04 — FAQ
Frequently asked.
What do you write about?
Backend engineering, distributed systems, system design, developer productivity, and practical AI engineering written from real-world building and debugging.
Is this content beginner-friendly?
Most posts aim for clear first, deep second. You will find high-level explanations, concrete examples, and links to go further.
How do I stay updated?
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