Avik
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Writing

I write about development techniques, project insights, and lessons learned building software.

2026

How Aegis Works: Privacy-First PII Redaction with Go WASM and Chrome Extensions

Building Aegis, a browser extension that redacts sensitive data before it reaches AI chatbots. Covers Go WASM compilation, Chrome offscreen documents, content script interception, and the full architecture of a local-first privacy tool.

Apr 12, 2026

How a Man-in-the-Middle Proxy Actually Works: Building Network Interception from Scratch

Building a MITM proxy in Go to understand HTTP intercession, TLS certificate spoofing, and how to inspect encrypted traffic. Line-by-line breakdown of the concepts that power debugging proxies like Fiddler and Charles.

Apr 5, 2026

Summary of Quantization from the Ground Up by Sam Rose

A practical, interactive breakdown of quantization: float formats, symmetric vs asymmetric mapping, quality loss, and throughput gains.

Apr 2, 2026

Second Book. Minimal Modeling by Alexey Makhotkin.

A complete breakdown of Alexey Makhotkin's Database Design Book — every chapter, every principle, every pattern, from logical models to physical schemas.

Mar 29, 2026

I Started Reading Books. First One Was Clean Architecture by Uncle Bob.

A complete breakdown of Robert C. Martin's Clean Architecture — every chapter, every principle, every pattern, with TypeScript and Go code examples throughout.

Mar 22, 2026

I Implemented Reed-Solomon Erasure Coding to Understand How S3 Actually Works

Every explanation I found either hand-waved it as 'basically RAID' or went straight into Galois field theory. So I implemented it from scratch.

Mar 21, 2026

I Vibecoded a Mini Kubernetes to Understand the Real One

A stripped-down Kubernetes implementation built in a weekend to preview how the real thing works — reconciliation loops, heartbeats, desired state, and rolling updates explained through code.

Mar 19, 2026

Understanding Prompt Caching: The KV Cache Explained

A deep dive into how prompt caching actually works under the hood — from tokenization and attention mechanisms to the KV matrices that make LLMs 10x faster and cheaper

Mar 16, 2026

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Popular Reads

How Aegis Works: Privacy-First PII Redaction with Go WASM and Chrome Extensions

Apr 12, 2026

How a Man-in-the-Middle Proxy Actually Works: Building Network Interception from Scratch

Apr 5, 2026

Summary of Quantization from the Ground Up by Sam Rose

Apr 2, 2026

Second Book. Minimal Modeling by Alexey Makhotkin.

Mar 29, 2026

I Started Reading Books. First One Was Clean Architecture by Uncle Bob.

Mar 22, 2026