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.

76Published articles

3/4Current page

AllActive track

Learning Tracks

Essays, tutorials, and systems notes.

AI Agents Automation Dev Tools Japanese Learning

Browse Library

Showing 49-72 of 76 articles

All Salesforce AI Agents Python AI Automation Dev Tools Micro SaaS Web Development

EngineeringStop Overthinking Vector Databases: A Builder’s Decision Framework

Avnish Yadav – February 21, 2026 · 8 MIN READ

Stop Overthinking Vector Databases: A Builder’s Decision Framework

Pinecone, Weaviate, Chroma, pgvector? The options are paralyzing. Here is the pragmatic 3-question framework I use to choose the right Vector DB, complete with a setup guide and cost analysis.

BuildBuilding Your First RAG Pipeline: A Developer’s Guide to Context-Aware AI

Avnish Yadav – February 21, 2026 · 8 MIN READ

Building Your First RAG Pipeline: A Developer’s Guide to Context-Aware AI

LLMs hallucinate. RAG fixes that. This guide walks through building a retrieval pipeline from scratch, covering ingestion, chunking strategies, and how to evaluate your system.

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

Avnish Yadav – February 21, 2026 · 7 MIN READ

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

Subscription fatigue is real, but so is maintenance hell. Here is my decision framework for building an AI automation stack, comparing n8n vs. Zapier, Supabase vs. Airtable, and the exact tools I use to run my systems.

ShipThe De-Scoping Algorithm: How to Define an MVP That Actually Ships

Avnish Yadav – February 21, 2026 · 7 MIN READ

The De-Scoping Algorithm: How to Define an MVP That Actually Ships

Most developer side projects die in the 'graveyard of localhost' because the scope is too big. Here is the 'Power of One' framework I use to strip products down to the bare metal: 1 User, 1 Pain, 1 KPI.

RetrospectiveWeek 3 Retro: Breaking Bottlenecks and Hardening the Pipeline

Avnish Yadav – February 21, 2026 · 7 MIN READ

Week 3 Retro: Breaking Bottlenecks and Hardening the Pipeline

The 'messy middle' of building is where the real engineering happens. This week was about moving from prototype code to resilient systems, optimizing latency, and fixing the pipelines that broke under load.

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

Avnish Yadav – February 21, 2026 · 7 MIN READ

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

AI agents are non-deterministic by nature, making traditional debugging useless. Here is my systematic framework for logging, tracing, and fixing agent failures in production.

EngineeringBeyond Einstein: Building a Custom AI Sales Agent in Salesforce

Avnish Yadav – February 21, 2026 · 7 MIN READ

Beyond Einstein: Building a Custom AI Sales Agent in Salesforce

Salesforce's native AI is powerful, but expensive. Here is a technical blueprint for building your own Opportunity Enrichment Agent using Apex, Flow, and external LLMs to automate pre-meeting research.

Career & BrandRefactoring My Reality: The Engineer's Guide to Daily Systems

Avnish Yadav – February 21, 2026 · 7 MIN READ

Refactoring My Reality: The Engineer's Guide to Daily Systems

Stop relying on motivation. Learn how to architect a '2-Hour Deep Work Loop' and implement a daily logging protocol that treats your energy like a finite system resource.

CareerYour Code is Good, But Your Repo Looks Abandoned: A Guide to GitHub Hygiene

Avnish Yadav – February 21, 2026 · 6 MIN READ

Your Code is Good, But Your Repo Looks Abandoned: A Guide to GitHub Hygiene

Code functionality is only half the battle. This guide covers how to structure your GitHub repositories to serve as high-converting assets for your personal brand.

BuildBuilding an AI Agent That Writes to Notion: Schema Design & API Logic

Avnish Yadav – February 21, 2026 · 7 MIN READ

Building an AI Agent That Writes to Notion: Schema Design & API Logic

Stop pasting LLM outputs manually. Learn how to architect a Notion database schema and build a Python-based agent that autonomously writes, formats, and updates status fields via the Notion API.

ShipThe Developer’s Guide to Landing Page Teardowns: Debugging Your Conversion Rate

Avnish Yadav – February 21, 2026 · 7 MIN READ

The Developer’s Guide to Landing Page Teardowns: Debugging Your Conversion Rate

You built a complex system, but your landing page is leaking users. Here is a systematic, builder-first framework to tear down, refactor, and optimize your copy for clarity and conversion.

RetrospectivesWeek 2 Retro: Escaping the Hype Cycle & Systemizing the Build

Avnish Yadav – February 21, 2026 · 7 MIN READ

Week 2 Retro: Escaping the Hype Cycle & Systemizing the Build

The 'launch energy' has faded. Week 2 is where the real engineering begins. Here is the breakdown of the systems built, the retention data analyzed, and the automation workflows implemented to survive the grind.

ShipDebug Your Landing Page: A Developer's Guide to Conversion Teardowns

Avnish Yadav – February 21, 2026 · 7 MIN READ

Debug Your Landing Page: A Developer's Guide to Conversion Teardowns

Most developer-led SaaS products fail not because of bad code, but because of vague copy. Here is my systematic framework for tearing down, refactoring, and optimizing landing pages for clarity.

ShipPricing 101 for Solo Founders: Stop Undervaluing Your Code

Avnish Yadav – February 21, 2026 · 7 MIN READ

Pricing 101 for Solo Founders: Stop Undervaluing Your Code

Engineers are great at logic but terrible at pricing. Learn how to structure pricing tiers, define value metrics, and use psychological anchoring to charge what your Micro-SaaS is actually worth.

EngineeringBuilding an Automated AI Daily Brief: My Morning Workflow

Avnish Yadav – February 21, 2026 · 7 MIN READ

Building an Automated AI Daily Brief: My Morning Workflow

Stop checking five different apps to start your day. Here’s how I built a Python-based system that fetches tasks, prioritizes them with GPT-4, and emails me a strategic briefing every morning at 7 AM. We cover API integration, prompt engineering for planning, and robust scheduling.

TutorialsBuilding an AI Inbox Triage Agent with n8n and OpenAI

Avnish Yadav – February 21, 2026 · 8 MIN READ

Building an AI Inbox Triage Agent with n8n and OpenAI

Stop using your inbox as a to-do list. Learn how to build an automated workflow in n8n that reads emails, classifies them using LLMs, summarizes context, and pushes actionable tasks to your project management tool.

EngineeringSystematizing Creativity: Building an Automated Content Repurposing Pipeline

Avnish Yadav – February 21, 2026 · 8 MIN READ

Systematizing Creativity: Building an Automated Content Repurposing Pipeline

Stop writing the same post three times. Here is a technical breakdown of how to build a content operations pipeline that transforms raw Notion inputs into platform-specific JSON payloads using AI agents.

EngineeringWeekly Retro #01: The Reality of Shipping AI Agents & Micro-SaaS

Avnish Yadav – February 21, 2026 · 7 MIN READ

Weekly Retro #01: The Reality of Shipping AI Agents & Micro-SaaS

A raw look at Week 1 of building in public. From shipping intelligent RAG agents to battling serverless timeouts, here is the breakdown of what worked, what broke, and the metrics behind the code.

AI DevelopmentFrom Chatbot to Agent: The Engineer's Guide to LLM Memory Systems

Avnish Yadav – February 21, 2026 · 7 MIN READ

From Chatbot to Agent: The Engineer's Guide to LLM Memory Systems

Stateless LLMs are just goldfish. To build true agents, you need persistence. We break down memory architectures, implementation patterns, and the hidden pitfalls of context poisoning.

EngineeringLangChain vs. LlamaIndex vs. Vanilla: The Builder's Stack Selection Matrix

Avnish Yadav – February 21, 2026 · 7 MIN READ

LangChain vs. LlamaIndex vs. Vanilla: The Builder's Stack Selection Matrix

Stop agonizing over the perfect LLM framework. A pragmatic guide comparing LangChain, LlamaIndex, and Vanilla implementations with decision charts and folder structures for shipping production AI apps.

TutorialsBuilding a Deep Research Agent: An End-to-End Walkthrough

Avnish Yadav – February 21, 2026 · 7 MIN READ

Building a Deep Research Agent: An End-to-End Walkthrough

LLMs are terrible researchers out of the box. In this technical walkthrough, I break down how to build an autonomous research agent that searches the web, verifies sources, and generates structured briefs without hallucinating.

AutomationBuild Your First Autonomous AI Agent in 10 Minutes with n8n (Prompt Pack Included)

Avnish Yadav – February 21, 2026 · 8 MIN READ

Build Your First Autonomous AI Agent in 10 Minutes with n8n (Prompt Pack Included)

Stop overcomplicating agents. Learn how to build a functional 'ReAct' agent using n8n that can plan, execute tools, and handle memory. Includes a copy-paste system prompt to get you started.

AutomationEngineering a Personal Prompt System: Library, Versioning, and Automated Tests

Avnish Yadav – February 21, 2026 · 7 MIN READ

Engineering a Personal Prompt System: Library, Versioning, and Automated Tests

Stop guessing with your prompts. Learn how to build a centralized prompt library, version control your system instructions, and write a simple Python test harness to evaluate output quality scientifically.

Practical guides for AI, automation, and product engineering.

Essays, tutorials, and systems notes.

Stop Overthinking Vector Databases: A Builder’s Decision Framework

Building Your First RAG Pipeline: A Developer’s Guide to Context-Aware AI

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

The De-Scoping Algorithm: How to Define an MVP That Actually Ships

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

Refactoring My Reality: The Engineer's Guide to Daily Systems

Your Code is Good, But Your Repo Looks Abandoned: A Guide to GitHub Hygiene

Building an AI Agent That Writes to Notion: Schema Design & API Logic

The Developer’s Guide to Landing Page Teardowns: Debugging Your Conversion Rate

Week 2 Retro: Escaping the Hype Cycle & Systemizing the Build

Debug Your Landing Page: A Developer's Guide to Conversion Teardowns

Pricing 101 for Solo Founders: Stop Undervaluing Your Code

Building an Automated AI Daily Brief: My Morning Workflow

Building an AI Inbox Triage Agent with n8n and OpenAI

Systematizing Creativity: Building an Automated Content Repurposing Pipeline

Weekly Retro #01: The Reality of Shipping AI Agents & Micro-SaaS

From Chatbot to Agent: The Engineer's Guide to LLM Memory Systems

LangChain vs. LlamaIndex vs. Vanilla: The Builder's Stack Selection Matrix

Building a Deep Research Agent: An End-to-End Walkthrough

Build Your First Autonomous AI Agent in 10 Minutes with n8n (Prompt Pack Included)

Engineering a Personal Prompt System: Library, Versioning, and Automated Tests

Systematic Ideation: How to Engineer Profitable Micro-SaaS Ideas