Avoiding Common JWT Pitfalls in Production Environments
Understand and prevent common JWT issues in production, from timestamp mismatches to payload bloat, ensuring secure and efficient authentication.
Tech blogReact · AI · Architecture202 articles
Tech blog · India · page 3
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.
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202 articlesLatest · Oct 2026
Showing 51 articles tagged Node.js. Clear filter
Sponsored postsNewHave a dev or AI product? Sponsor a post on this blog.Starts at only ₹999 per postSee how it works →Node.js 26.8.2 Enhancements: Security and Dependency Updates
Node.js 26.8.2 introduces security posture refinements and updates key dependencies like Undici and OpenSSL.
Cloudflare Workers Enhance Node.js Compatibility with New Module Registry
Cloudflare Workers' module registry now aligns with Node.js, improving module resolution with ESM, CommonJS, and WebAssembly support.
Automate RAG Index Refresh with EventBridge in Node.js 22
Node.js 22 and EventBridge Scheduler automate RAG index refreshes to prevent stale data in vector stores, enhancing accuracy and user trust.
Automated Testing for Node.js APIs with Vitest and Supertest
Vitest and Supertest streamline automated testing in Node.js APIs. Learn setup, test creation, and practical workflow integration.
Building a Node.js Chatbot that Uses Real-Time Weather Data
Create a Node.js chatbot using OpenRouter to fetch real-time weather data, showcasing an Agentic Tool-Use architecture.
Navigating User Signup: Node.js Email Verification Best Practices
Explore a robust approach to handling user registration and email verification in Node.js e-commerce systems with a focus on state management.
Reliable SMS Delivery in Node.js: Building an Auditable Pipeline
Explore how to build an auditable SMS delivery pipeline in Node.js, ensuring compliance and reliability across jurisdictions.
Building a Reliable WhatsApp Join Request Queue with Node.js
Explore a robust system for managing WhatsApp group join requests using Node.js, ensuring durable moderation and reliable processing.
Securing LLM API Keys with AWS Secrets Manager in Node.js
Learn to securely store and rotate LLM API keys using AWS Secrets Manager in Node.js, ensuring protection against leaks and simplifying key management.
Effective Use of Delayed Queues in Node.js: A Practical Guide
Learn how to manage reservation holds with delayed queues in Node.js, comparing QStash, SQS, Cloud Tasks, and Redis for optimal performance.
Building High-Performance Web Apps: Lessons from iGaming
Explore the architectural innovations behind HellSpin, a modern iGaming platform, and learn how to apply these strategies to your own projects.
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 meHiring, 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.
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.