Topics
What I Write About
View all topicsFrontend Tech
Writing about component architecture, React patterns, TypeScript, and how browsers actually work under the hood.
Backend Tech
Distributed systems, event driven design, APIs, databases, and building backends that hold up under real load.
Cloud & Network
AWS, Kubernetes, Terraform, network design, and running things in production without it falling over at 2am.
Web3 & Blockchain
Smart contracts, DeFi, NFT systems, Metaverse platforms, and how decentralised apps are actually built.
Cyber Security
Zero Trust, penetration testing, DevSecOps, supply chain security, and keeping systems safe in practice.
IoT & Edge Computing
IoT system design, MQTT, edge computing, real time telemetry, EV ecosystems, and getting hardware to talk to software reliably.
AI & ML / MLOps
LLM integration, RAG pipelines, prompt engineering, MLOps infrastructure, and building AI features that work in production.
Robotics
Robotics system design, ROS, sensor fusion, autonomous navigation, edge AI, and connecting robots to the real world.
Marketing Tech
MarTech stack design, analytics pipelines, attribution systems, and building the infrastructure that makes marketing data usable.
Articles
Latest Writing
View all articlesFeatured
Internet Security Basics: 10-Part Series for Everyday Users
A practical parent guide for the complete 10-part Internet Security Basics series, covering everyday scam checks before clicking, paying, logging in, installing apps, or trusting links.
Is This Email Really From Your Bank or Company?
A simple everyday guide to checking sender names, real email addresses, urgent payment messages, and suspicious links before trusting an email.
Can You Spot the Real Website?
A simple everyday guide to reading website domains correctly, spotting fake login pages, and avoiding lookalike URLs before logging in or paying.
HTTPS Does NOT Mean the Website Is Genuine
A practical explanation of what HTTPS really means, why the lock icon is not proof of a genuine company, and why the domain still matters.
Does a Professional Domain Extension Mean the Website Is Genuine?
A practical guide to understanding why professional-looking domain extensions like .com, .org, .in, .net, and .ai do not automatically prove a website is genuine.
The Link Says SBI, But Where Does It Actually Go?
A simple guide to checking where buttons and links really go before clicking, especially in bank, bill payment, shopping, and government-service messages.
Sir, Please Tell Me the OTP for Verification
A practical guide to protecting OTPs, passwords, UPI PINs, CVV, recovery codes, and remote access from bank, payment, and fake support scams.
Scan This QR Code to Receive Your Refund
A practical guide to QR code safety, UPI PIN traps, fake refund messages, and how to check what opens before paying or entering sensitive details.
About Me
Designing systems that scale, securing what matters.
I'm Nikhlesh Yadav — Hands-on Technical Leader with 12+ years of experience designing distributed systems, cloud-native architectures, AI-enabled platforms, IoT ecosystems, and secure enterprise infrastructure.
Through this blog, I share practical insights, architecture decision records, and technical explorations — drawing from real-world projects across fintech, healthcare, SaaS, IoT, AI, and Web3.
- React / Next.js
- TypeScript
- WebRTC / WebSockets
- React Native / ElectronJS
- Node.js / Python
- REST / GraphQL / gRPC
- Microservices
- Kafka / RabbitMQ
- AWS / Kubernetes
- Docker / Terraform
- CI/CD / DevOps
- Network Design
- LLM / RAG
- MLOps Pipelines
- Prompt Engineering
- Model Serving
- MQTT / OCPP
- Arduino / Edge
- RxDB Offline-first
- Telemetry Pipelines
- Zero Trust
- VAPT / Pen Testing
- OWASP / DevSecOps
- Secure APIs