Insights

Founder, AI, SaaS, and engineering thinking: practical posts on building things that actually ship.

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Build an Offline AI Assistant with Gemma 4

How I used Gemma 4 and WebGPU to run a private, offline AI assistant entirely in the browser: no API keys, no server, no cloud costs.

August 2, 2026·7 min read

How I Built a Claude Code Skill for Backend Development

Behind the scenes of building api-forge: what Claude Code skills are, how the /backend skill prompt is structured, the design decisions behind the 3-layer architecture, and how to build your own skill.

June 7, 20269 min read

Build a Production-Ready Express API with Claude Code's /backend Skill

Step-by-step tutorial: scaffold a complete Express + TypeScript API using the api-forge /backend skill in Claude Code. Covers setup, architecture, validation, error handling, and adding resources.

June 5, 20268 min read

Stop Scaffolding by Hand: Meet api-forge for Claude Code

api-forge is a Claude Code skill that scaffolds production-grade Express + TypeScript APIs in minutes. One command. No boilerplate. No forgotten patterns.

June 3, 20267 min read

Node.js TypeScript REST API Guide

Build a production REST API with Node.js and TypeScript — typed routes, Zod validation, error middleware, and patterns that prevent runtime failures.

June 1, 20267 min read

UUID v4 in JavaScript: When to Use One

UUID v4 vs v7, GUID vs UUID, and when to use UUIDs over auto-increment IDs — with crypto.randomUUID() examples for Node.js and the browser.

May 29, 20267 min read

What to Look for in a Technical Co-Founder (And What Most Founders Miss)

A technical co-founder is not just a developer with equity. The traits that matter are not the ones most founders screen for — and the mismatches that destroy startups are predictable.

May 27, 20268 min read

7 Questions to Ask Before Signing With a Dev Agency

Dev agency contracts look standard until something goes wrong. Seven questions that reveal who actually works on your project, who owns the code, and how scope gets handled when reality meets the proposal.

May 25, 20267 min read

How to Hire Your First Developer Without Getting Burned

Hiring your first developer is one of the highest-stakes decisions a non-technical founder makes. Here is how to evaluate candidates, spot red flags, and structure the engagement — without writing a line of code.

May 23, 20268 min read

How to Price an AI Feature Without Losing Money

Pricing AI features wrong is the fastest way to destroy your SaaS margins. Per-seat vs usage-based vs token passthrough — the real math and the model that protects you.

May 21, 20267 min read

What Technical Debt Actually Costs Your Business

Technical debt is not a developer problem — it is a business problem. What it actually costs, when to pay it down, and how to talk about it with your team and your board.

May 19, 20266 min read

Build vs Buy: The Framework Founders Use to Stop Wasting Engineering Time

Every founder faces the build vs buy decision. Most get it wrong by building what they should buy and buying what they should build. Here is the framework that stops the waste.

May 17, 20267 min read

What a 5-Day AI MVP Actually Looks Like (And What It Costs)

Validating an AI product idea? Here's exactly what a 5-day MVP sprint looks like — features, scope, stack, and realistic cost expectations.

May 16, 20267 min read

How to Add AI to Your Existing Product Without Rebuilding It

Add AI to your existing product without a rewrite. A guide for founders on integration points, build vs. buy, and shipping AI features safely.

May 15, 20267 min read

AI Engineer vs. Agency vs. In-House: Which Fits Your Stage?

Wrong hiring decision at early stage kills runway. When to hire a freelance AI engineer, use an agency, or build an in-house team.

May 14, 20267 min read

crypto vs Math.random in Node.js (2026)

Math.random() is predictable — use Node.js crypto.randomBytes, crypto.randomInt, and crypto.randomUUID for safe tokens, IDs, and passwords.

May 10, 20268 min read

How to Architect an AI Product Before You Start Building

Your AI product architecture will make or break scalability. How to design an AI SaaS system that scales without a full rewrite.

May 9, 202610 min read

TypeScript for AI Apps in Node.js (2026)

Type OpenAI and Vertex AI responses in Node.js — use TypeScript with Zod to catch shape mismatches and prevent runtime failures in production AI apps.

May 6, 202610 min read

Why AI Features Fail to Deliver ROI — And How to Fix It

Most AI features fail not because of the model — but because of poor problem definition. Here's what product-minded builders do differently.

May 5, 20268 min read

Password Security for Web Developers

OWASP-aligned password security for web developers — hashing, storage, reset flows, timing attacks, and the mistakes that leave your users vulnerable.

May 4, 20268 min read

bcrypt in Node.js: Password Hashing Guide

Hash passwords in Node.js with bcryptjs: cost factor, timing attack prevention, async patterns, and OWASP 2026 recommendations.

May 3, 202610 min read

Deploy Node.js AI Apps to Cloud Run

Deploy a Node.js + Vertex AI app to Cloud Run — Dockerfile, authentication, Artifact Registry, and continuous deployment step by step.

May 1, 20266 min read

LangChain.js Agents Tutorial in Node.js

A practical guide to building autonomous AI agents with LangChain.js in Node.js — tools, agent executors, memory, and real working code examples.

April 30, 20267 min read

Prompt Engineering for Production LLM Apps

Prompt engineering for production LLM apps — system prompts, temperature, context injection, few-shot examples, and structured output validation.

April 28, 20268 min read

Chroma vs Pinecone vs pgvector (2026)

Chroma vs Pinecone vs pgvector — setup, query speed, scalability, and 2026 pricing for production RAG pipelines. Which vector database should you pick?

April 26, 20268 min read

How to Cut Your AI API Costs Without Sacrificing Quality

AI costs out of control? Cut OpenAI and Gemini API spend with model selection, caching, prompt optimization, and batching — without degrading user experience.

April 24, 20268 min read

What Happens When You Type a URL?

Most devs give the 3-step answer. The full version — DNS, TCP, TLS, load balancers, app servers, databases — with the depth that gets you hired.

April 23, 202612 min read

Junior Developer Job Market Reality Check

The junior dev job market isn't broken — it's a filter. What junior developers must do to be in the 2 that stay, get hired, and build real careers.

April 19, 20268 min read

Developer Product Thinking: WHY and WHAT

Most developers are experts at HOW to build — but WHY and WHAT to build are where real product thinking lives. A Design Sprint changed how I see this gap.

April 16, 20266 min read

How to Monitor AI Pipelines in Production

Monitor LLM apps in production — track latency, token usage, error rates, and hallucinations with practical tools and observability strategies.

April 1, 20268 min read

OpenAI vs Vertex AI: 2026 Comparison

OpenAI vs Vertex AI — cost, reliability, model quality, and OpenAI-compatible endpoints on Vertex. Which platform wins for SaaS in 2026?

March 28, 20268 min read

Vertex AI Setup for Node.js Apps

Set up @google-cloud/vertexai in Node.js — authentication, getGenerativeModel, generateContent, streaming responses, and production patterns.

March 22, 20267 min read

RAG Architecture for JavaScript Developers

A practical guide to building Retrieval Augmented Generation (RAG) pipelines using JavaScript, LangChain.js, and OpenAI — with working Node.js code examples.

March 15, 20267 min read

Google Cloud AI: Node.js Setup Guide

How to integrate Google Cloud AI and Vertex AI into a Node.js app — authentication, API setup, Cloud Run deployment, and production patterns for 2026.

March 26, 20255 min read

JavaScript vs TypeScript: Which to Use?

JavaScript vs TypeScript: advantages, disadvantages, and when to use each — a practical guide for web developers choosing between the two.

January 3, 20246 min read