Engineering Notes

Practical guides for AI, automation, and product engineering.

Field notes from systems I build: agents, n8n workflows, developer tools, micro-SaaS, and production architecture.

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CareerThe Frontend Architecture: From Junior Developer to Tech Lead

Avnish Yadav – February 21, 2026 · 7 MIN READ

The Frontend Architecture: From Junior Developer to Tech Lead

Treat your career like a software product. This is a practical roadmap for scaling your skills, systems, and influence from writing your first component to architecting large-scale frontend applications.

EngineeringFrom Development to Production: A Builder's Guide to Frontend Deployment Strategies

Avnish Yadav – February 21, 2026 · 9 MIN READ

From Development to Production: A Builder's Guide to Frontend Deployment Strategies

It works on localhost, but will it survive production? We break down the three distinct tiers of frontend deployment: Managed PaaS, Containerized (Docker), and Cloud Native (S3/CloudFront), complete with CI/CD pipelines.

EngineeringAutomating Code Quality: The Modern Stack with ESLint, Prettier, and Husky

Avnish Yadav – February 21, 2026 · 8 MIN READ

Automating Code Quality: The Modern Stack with ESLint, Prettier, and Husky

Stop wasting mental energy on formatting. Learn how to build a 'set-it-and-forget-it' code quality pipeline using ESLint, Prettier, and Husky to enforce standards automatically.

Practical guides for AI, automation, and product engineering.

Essays, tutorials, and systems notes.

Start with the newest deep dive

The Frontend Architecture: From Junior Developer to Tech Lead

From Development to Production: A Builder's Guide to Frontend Deployment Strategies

Automating Code Quality: The Modern Stack with ESLint, Prettier, and Husky

Introduction to Micro Frontends: Building Scalable Architectures

Demystifying the Build Pipeline: A Deep Dive into Webpack and Babel Configuration

Automated Testing in React: Unit Testing with Jest and React Testing Library

React Architecture: Advanced Navigation and Data Flow Patterns

React Architecture: Mastering State and Props in Class vs. Functional Components

Getting Started with React: Deconstructing JSX and Component Architecture

Inside the V8 Engine: A Deep Dive into JavaScript Execution

Architecting Scalable JavaScript: OOP Principles & Design Patterns

Why TypeScript Matters: Adding Type Safety to Your JavaScript Projects

Mastering the Metal: Essential Web APIs & Browser Internals for Frontend Engineers

Understanding the JavaScript Runtime: Event Loop, Call Stack, and Task Queue Explained

From Prototypes to ES6 Classes: Understanding JavaScript's Object-Oriented Nature

Overcoming the Daunting Start: A Strategic Roadmap for New Frontend Developers

Demystifying Scope and Closure: Key Concepts for Writing Robust JavaScript

Shipping Systems, Not Scripts: Announcing My 30-Day Production AI Challenge

Weekly Recap #4: The Art of Stress Testing and The Feedback Loop

Stop Overthinking Vector Databases: A Builder’s Decision Framework

The Pragmatic Automation Stack: When to Pay vs. When to Self-Host

Week 3 Retro: Breaking Bottlenecks and Hardening the Pipeline

The Engineer’s Guide to Debugging AI Agents: From Hallucinations to Reliable Systems

Beyond Einstein: Building a Custom AI Sales Agent in Salesforce