Engineering Insights

The HNBC Technology Blog

Deep-dive technical articles, architecture guides, and industry insights from our engineering team — written by practitioners for practitioners.

AI & ML

Building Production-Ready RAG Systems with LangChain and Pinecone

A deep-dive guide to designing retrieval-augmented generation pipelines that are accurate, cost-efficient, and production-deployable.

✍ Arjun Menon📅 Dec 10, 2024⏱ 14 min read
Cloud

AWS vs Azure in 2025: An Honest Enterprise Comparison

We analysed 50+ enterprise migrations. Here is what the data says about total cost of ownership, support quality, and developer experience.

✍ Priya Sharma📅 Nov 28, 2024⏱ 11 min read
Engineering

Micro-Frontend Architecture: When to Use It (and When Not To)

Micro-frontends solve real problems for large teams. But they introduce significant complexity. This guide helps you decide.

✍ Vikram Nair📅 Nov 15, 2024⏱ 9 min read
Security

Zero-Trust Network Architecture: A Practical Implementation Guide

Step-by-step walkthrough of implementing zero-trust principles in an enterprise environment — from identity to workload segmentation.

✍ Sunita Rao📅 Nov 2, 2024⏱ 16 min read
DevOps

GitOps with ArgoCD: How We Cut Deployment Failures by 94%

A real-world case study of migrating from manual kubectl deployments to a full GitOps workflow. The results surprised even us.

✍ Karthik Iyer📅 Oct 18, 2024⏱ 12 min read
AI & ML

Demystifying AI Agent Architectures in 2025

ReAct, Plan-and-Execute, and multi-agent systems explained — with honest assessments of where each approach works and fails.

✍ Deepa Krishnan📅 Oct 5, 2024⏱ 10 min read
Cloud

Kubernetes Cost Optimisation: 7 Strategies That Actually Work

We reduced monthly Kubernetes spend by 41% for a client without touching their application code. Here is the complete playbook.

✍ Arjun Menon📅 Sep 20, 2024⏱ 8 min read
Engineering

Event-Driven Architecture with Apache Kafka: Lessons from Production

Three years of running Kafka in production across five clients. The good, the surprising, and the things nobody tells you upfront.

✍ Raj Kumar📅 Sep 7, 2024⏱ 13 min read
Security

DPDP Act 2023: What Indian Enterprises Must Do Before the Deadline

A practical compliance checklist for CISOs — covering data mapping, consent frameworks, and breach notification requirements.

✍ Sunita Rao📅 Aug 25, 2024⏱ 7 min read
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