Resolving HTML Mismatch Errors in Next.js Apps
Learn how to fix 'Text content does not match server-rendered HTML' errors in Next.js App Router, improving performance and SEO.
Tech blogReact · AI · Architecture84 articles
Tech blog · India · page 7
Tech blogs on code, architecture and AI.
Deep dives into React.js, AI and ML integration, MERN stack patterns, and lessons from building production applications at scale in India — written by Deepak Kumar.
What it covers
- javascript35 articles
- Node.js34 articles
- devops25 articles
- React24 articles
+ 190 more topics in the archive
84 articlesLatest · Sept 2026
Archive · page 7
Configuring Node.js Environments: Local to Production
Learn how to set up different environments in Node.js to streamline your development and testing processes.
Switching AI Models in Node.js Invoice Summarization
Learn how to effectively switch AI models for invoice summarization using Node.js, maintaining accuracy and cost-efficiency.
Scaling Node.js APIs with Express: Modular Design Tips
Transform your monolithic Express app into a scalable, maintainable service by adopting modular design principles.
Choosing Between React and Angular for Your Web Projects
Explore the key differences between React and Angular to make the right technology choice for your web development needs.
Implementing JSON-Schema Moderation Gates in Node.js
Learn to implement a JSON-schema moderation gate for fintech ticket systems using Node.js and Infrai, ensuring safe, auditable decision-making.
All Things Agentic Hackathon: Build Next-Generation AI Agents
Join the All Things Agentic Hackathon to create autonomous AI agents using Google Cloud and Gemini. Win part of $180,000 in prizes.
React Performance Optimization: 10 Techniques I Use in Production
Practical React performance patterns I've used at India Today Group to optimize rendering, reduce bundle size, and deliver sub-second load times for millions of users.
Build a RAG App with LangChain, OpenAI & Node.js — Step by Step
How I built a Retrieval-Augmented Generation system at India Today Group for intelligent article search and content automation using LangChain, OpenAI, and MongoDB Atlas Vector Search.
Integrating AI into Next.js Apps: OpenAI, Streaming & Edge Functions
A practical guide to adding AI-powered features to Next.js applications using OpenAI API, Vercel AI SDK, streaming responses, and edge functions for low-latency inference.
MERN Stack Architecture in 2026: What's Changed & Best Practices
How I architect MERN stack applications in 2026 — MongoDB Atlas, Express with TypeScript, React Server Components, Node.js 22, and the tools that replaced Redux.
Engineering India Today's Election Dashboard: Real-Time Data at Scale
Behind the scenes of building India Today's live election results dashboard — handling 10,000+ constituency results in real-time with WebSockets, React, and Node.js.
About the author
Deepak Kumar
Sr Software Engineer at India Today Group | Aaj Tak
Building scalable web applications and Generative AI systems. Writing about React, Node.js, AI and the engineering lessons from 9+ years of production work.
More about me