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Tech blog · India

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

  • javascript88 articles
  • node.js80 articles
  • Engineering73 articles
  • devops51 articles

+ 388 more topics in the archive

202 articlesLatest · Oct 2026
Where the archive has depth — every article is reachable from this page.

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Latest · Node.js

Effective Use of Delayed Queues in Node.js: A Practical Guide

· 4 min read 0 views

Learn how to manage reservation holds with delayed queues in Node.js, comparing QStash, SQS, Cloud Tasks, and Redis for optimal performance.

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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.

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Hiring, or need something built?

Open to senior full-stack and AI engineering roles, and to focused contract work. Delhi NCR or fully remote. I reply within 24 hours.

Replies in ~24h Delhi NCR or fully remote +91 82852 57636

What I take on

Full-stack product build

React, Next.js, Node, NestJS, MongoDB and MySQL — from idea to production.

AI features that ship

OpenAI and LangChain, RAG, semantic search, content and voice automation.

Architecture and scale

Microservices, real-time pipelines and caching — proven at national news scale.

Founding engineer work

Idea to MVP to scale, with SEO and analytics built in from the start.

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