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Showing 12 of 122 articles on AI systems, retrieval, backend engineering and DevOps.

LLM GatewayAI FinOpsNode.js
Architecting a Self-Hosted Hybrid LLM Gateway: Dynamic Cost Routing, Semantic Caching, and Usage Billing with Node.js, Ollama, and Next.js
A hands-on 2026 guide to building a self-hosted hybrid LLM gateway with Node.js, Express, Nginx, and Ollama. Route LangGraph traffic by query complexity and latency, cache semantically in PostgreSQL with pgvector, log token telemetry in MongoDB, stream live costs to a Next.js dashboard, and bill usage through Stripe, Razorpay, and Cashfree.
Oct 17, 2026
MCPModel Context ProtocolLangGraph
Engineering Custom MCP Servers for Local AI Agents: Bridging PostgreSQL, MongoDB, and REST APIs with LangGraph and Next.js
A hands-on 2026 guide to building secure TypeScript MCP servers that connect local Ollama models and Claude Code to PostgreSQL, MongoDB, and REST APIs, orchestrated with LangGraph, streamed to a Next.js dashboard, and deployed with Docker and Nginx on AWS.
Oct 16, 2026
LangGraphHuman-in-the-LoopAI Agents
Engineering Durable Human-in-the-Loop (HITL) AI Workflows: State Checkpointing with LangGraph, PostgreSQL, and Next.js
Build enterprise-grade human-in-the-loop AI agents that pause for approval before Stripe or Razorpay payouts. Learn LangGraph interrupts, PostgreSQL checkpointing, Socket.io real-time dashboards in Next.js, an Express resume API, JWT/OAuth RBAC, n8n alerts, and Docker deployment on AWS.
Oct 15, 2026
Voice AIOllamaWebSockets
Architecting Sub-50ms Voice AI Agents: Integrating C++ Inference Engines, Ollama, and WebSockets in Next.js
Build a real-time, full-duplex voice AI agent from scratch. Learn how to wire whisper.cpp, Ollama, Piper, Socket.io, LangGraph, Next.js, Redux and JWT auth into a containerized stack behind Nginx on AWS Linux.
Oct 14, 2026
Claude CodeLangChainDevOps
AI-Assisted Platform Engineering: Automating CI/CD Pipelines and DevOps with Claude Code, LangChain, and Shell Scripting
Learn how to build self-healing CI/CD pipelines using Claude Code, LangChain agents, Docker, Nginx, and Shell scripting. A practical 2026 guide to AI-assisted platform engineering on AWS.
Oct 13, 2026
Graph RAGLangChainPostgreSQL
Architecting an Enterprise Graph RAG Pipeline: Semantic Knowledge Discovery with LangChain, PostgreSQL, and Next.js
Build a sovereign, entity-aware Graph RAG pipeline with LangChain, Ollama, PostgreSQL and pgvector, an Express.js API and a Next.js + Shadcn UI frontend, then ship it with Docker, Nginx and GitHub Actions on AWS.
Oct 12, 2026
LangChainAI AgentsNext.js
Automating Enterprise B2B SaaS: Integrating LangChain AI Agents, Next.js, and Zapier Workflows on AWS
A practical 2026 blueprint for building an AI-driven B2B SaaS: LangChain agents, a Next.js + Tailwind + Shadcn UI frontend, secure Express APIs with OAuth and JWT, Zapier automations, and zero-downtime Docker, Nginx and AWS deployments.
Oct 11, 2026
UnityNode.jsSocket.io
Building a Server-Authoritative Multiplayer Game Backend: Real-Time State Sync with Unity, Node.js, and Socket.io
Learn how to build a server-authoritative multiplayer game backend with Node.js, Express, Socket.io, MongoDB and a Unity C# client, then ship it with Docker, GitHub Actions and zero-downtime deploys on AWS Linux.
Oct 9, 2026
Payment Gateway IntegrationNode.jsExpress.js
Architecting Multi-Gateway Payment Systems: Orchestrating Webhooks with Node.js, n8n, and PostgreSQL on AWS
A practical 2026 blueprint for building a resilient multi-gateway payment backend. Integrate Stripe, Razorpay, and Cashfree with Express.js and PostgreSQL idempotency, automate reconciliation with self-hosted n8n and Make.com, push real-time updates with Socket.io, and ship it all with Docker, CI/CD, and AWS.
Oct 8, 2026
Small Language ModelsLoRAPEFT
Fine-Tuning Domain-Specific Small Language Models (SLMs): A Full-Stack LoRA Pipeline with Python, Ollama, and Next.js
A hands-on 2026 guide to fine-tuning domain-specific Small Language Models with LoRA in Python, exporting to GGUF, serving with Ollama in Docker, testing APIs with Postman, and monitoring everything in a Next.js dashboard.
Oct 6, 2026
React NativeClaude CodeSocket.io
AI-Assisted Mobile Development in 2026: Scaling React Native Apps with Claude Code, Socket.io, and Stripe
A hands-on 2026 guide to building a real-time, scalable React Native app with Claude Code, Redux Toolkit, Node.js, MongoDB, Socket.io, JWT/OAuth, Stripe and Razorpay, then deploying it on AWS with Nginx and a modern CI/CD pipeline.
Oct 5, 2026
Agentic RAGLangGraphOllama
Building a Privacy-First Agentic RAG System: Integrating Ollama, LangGraph, and PostgreSQL in a Next.js App
Learn how to build a local, privacy-first agentic RAG system using Ollama, LangGraph, PostgreSQL with pgvector, and a Next.js frontend with Shadcn UI. Step-by-step code, Docker setup, best practices, and common mistakes.
Oct 4, 2026

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