Engineering Blogs | Govind Sharma

Govind's Technical Logbook

Deep systems notes, architecture breakdowns, and implementation patterns.

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Chrome Built-in AI APIs: Translator + Summarizer Implementation Guide

A practical guide to Google Chrome's Translator and Summarizer APIs: current support, capability checks, graceful fallback, and real implementation patterns.

How to Build Sticky Scroll Reveal Animations in Next.js

A deep implementation walkthrough of scroll geometry, deterministic state mapping, motion performance budgets, and accessibility-safe sticky storytelling.

How to Design a Hybrid RAG Stack with pgvector + Elasticsearch

A production retrieval blueprint covering index design, parallel query planning, rank fusion, reranking, and offline evaluation before prompt tuning.

Why Webhook-Driven State Machines Beat Polling for Telephony

Polling fails both economically and semantically at scale. This post breaks down inbox/outbox, legal transition guards, and replay-safe call orchestration.

What a 100K-Concurrent WebRTC Signaling Architecture Looks Like

A control-plane deep dive into deterministic room placement, backpressure budgets, autoscaling signals, and failure containment at high concurrency.

How Per-PR Preview Environments Compress QA Cycles

An engineering playbook for deterministic preview infrastructure with concurrency guards, namespace isolation, cleanup policies, and measurable lead-time impact.