CRMNext.js
Build vs Buy: Why Fast-Growing Companies Build Custom Lead-Gen CRMs
Why scaling sales teams outgrow Salesforce and HubSpot per-seat licensing, and how a custom Next.js & NestJS CRM pays for itself in under 6 months.
Oct 20, 20268 min read
20 Engineering Notes & Deep Dives
Engineering Blog & Case Studies.
Production notes on AI voice systems, Next.js architecture, Agentic AI, App Store mobile products, and high-ROI Meta Ads engineering.
Web ScrapingAPIs
Web Scraping vs Official APIs: Anti-Bot Defense, Scalability & Legalities
When should your engineering team rely on official third-party APIs versus building custom automated scraping pipelines? Architecture, legal precedents, and cost breakdown.
Oct 12, 20267 min read
Meta AdsNext.js
How a Full Stack Developer Runs Meta Ads That Actually Convert
The developer playbook for high-ROI Meta Ads — Next.js landing pages, Meta Pixel, Conversions API, event quality, and creative testing I use for client campaigns.
Aug 16, 20268 min read
AIAgentic AI
How I Built an AI Voice Campaign Platform That Handles 1000+ Leads in Real-Time
How I built Calling Agent — an AI-powered voice campaign platform that calls 1000+ leads per day, scores them in real-time, and reports back via WebSocket.
Nov 20, 20258 min read
Agentic AILLM
Agentic AI vs Traditional Automation: What's Actually Different (With Real Code)
The real technical difference between traditional automation and agentic AI — with production code from a voice campaign platform calling 1000+ leads per day.
Nov 10, 20257 min read
Generative AILLM
Generative AI in Production: Lessons From Building 3 AI Products
5 hard lessons from shipping 3 AI products in 18 months — prompt versioning, latency, cost control, hallucination mitigation, and observability.
Oct 28, 20259 min read
Agentic AIAI Platform
I Built a Drag-and-Drop AI Agent Builder — Here's the Architecture
How I architected a no-code AI agent builder with React Flow — visual node editor, graph execution engine, Zod output validation, and zero-downtime deploys.
Oct 15, 20258 min read
SaaSMulti-Tenant
How to Architect a Multi-Tenant AI SaaS Without Losing Your Mind
A technical deep-dive into multi-tenant AI SaaS architecture — shared DB with tenant isolation, Redis Bull with tenant namespacing, and per-tenant LLM rate limiting.
Sep 20, 20258 min read
LLMTool Calling
LLM Tool Calling in Production: The Complete Developer Guide
A practical guide to OpenAI function calling in production — tool schema design, the execution loop, Zod validation, error handling, and 5 design principles.
Sep 5, 20257 min read
WebSocketReal-Time
Building a WebSocket Real-Time AI Monitoring Dashboard
How I built a real-time WebSocket dashboard to monitor AI voice campaigns — Socket.io rooms, Redis adapter for scaling, React live charts, and preventing event floods.
Aug 22, 20258 min read
Prompt EngineeringLLM
Prompt Engineering Patterns That Actually Work in Production
7 prompt engineering patterns I use in production AI systems — three-layer prompts, chain of thought, Zod output constraints, persona anchoring, context compression, temperature tuning, and prompt versioning.
Jul 30, 20259 min read
React NativeApp Store
How I Published Xpenly — My First App Store App
The full story of building and publishing Xpenly — a React Native expense tracker — on the App Store. Stack, architecture, recurring transactions, and the App Store submission process.
Jul 8, 20258 min read
Agentic AIGenerative AI
The Future of AI Agents: A Developer's Guide to 2025 and Beyond
6 trends defining the future of AI agents in 2025 — multi-agent systems, vector memory, voice AI, structured output, observability, and what it means to be an AI-fluent developer.
Jun 25, 20257 min read
Next.jsReact
Getting Started with Next.js 14 and App Router
Learn about Server Components, Server Actions, streaming, and architectural best practices in Next.js 14.
May 15, 20256 min read
TypeScriptReact
Mastering TypeScript for Enterprise React Applications
A comprehensive guide to advanced generics, discriminated unions, and strict typing in large React codebases.
Apr 20, 20258 min read
Next.jsFrontend
Building Responsive Layouts with Tailwind CSS
Production tips and tricks for fluid typography, container queries, and mobile-first responsive design.
Mar 12, 20255 min read
ReactFrontend
Understanding React Hooks & State Performance
A deep dive into useEffect dependency arrays, useMemo caching, and custom hook composition.
Feb 18, 20257 min read
Next.jsProduction
Deploying Next.js Applications on Vercel with Zero Downtime
Step-by-step engineering guide to edge deployments, environment variables, and CDN caching strategies.
Jan 25, 20255 min read
Node.jsBackend
Building a Scalable RESTful API with Node.js and Express
Learn how to structure enterprise Express backends with controller-service architecture, middleware, and JWT.
Jan 10, 20259 min read
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