---
title: "Ajitabh Singh (@ajitabh) | Hashnode"
description: "Real-world engineering insights on AI, systems, and scalable design. Read the latest articles by Ajitabh Singh on Hashnode."
url: "https://hashnode.com/@ajitabh"
---

@ajitabh

# Ajitabh Singh

@ajitabh · New York, USA · Joined March 2026

Real-world engineering insights on AI, systems, and scalable design

### [Why Chunking Strategy Can Make or Break Your RAG Pipeline](https://ajitabh.net/why-chunking-strategy-can-make-or-break-your-rag-pipeline?utm_source=hashnode&utm_medium=feed)

Chunking quietly shapes RAG retrieval quality. Learn the four main strategies, common failure modes, and how to evaluate them for your own data.

7 min read · [ajitabh.net](https://ajitabh.net/why-chunking-strategy-can-make-or-break-your-rag-pipeline?utm_source=hashnode&utm_medium=feed)

[7](https://hashnode.com/posts/why-chunking-strategy-can-make-or-break-your-rag-pipeline/6a7ab6663ddc972e303c1f03) [Aug 11](https://hashnode.com/posts/why-chunking-strategy-can-make-or-break-your-rag-pipeline/6a7ab6663ddc972e303c1f03)

### [The Vibe Coding Trap: Why AI-Driven Development Needs Strong Architecture](https://ajitabh.net/the-vibe-coding-trap-ai-architecture?utm_source=hashnode&utm_medium=feed)

AI speeds up coding, but without clear architecture, it creates technical debt fast. Learn why vibe coding is a trap.

3 min read · [ajitabh.net](https://ajitabh.net/the-vibe-coding-trap-ai-architecture?utm_source=hashnode&utm_medium=feed)

[10](https://hashnode.com/posts/the-vibe-coding-trap-ai-architecture/69dd08e13000edd30fdb3991) [Apr 13](https://hashnode.com/posts/the-vibe-coding-trap-ai-architecture/69dd08e13000edd30fdb3991)

### [You Can't Manage What You Can't See: The Three Pillars of Observability](https://ajitabh.net/you-cant-manage-what-you-cant-see-three-pillars-of-observability?utm_source=hashnode&utm_medium=feed)

Logs, metrics and traces explained. Covers Prometheus, OpenTelemetry, distributed tracing, SLOs, error budgets and alerting for backend engineers.

10 min read · [ajitabh.net](https://ajitabh.net/you-cant-manage-what-you-cant-see-three-pillars-of-observability?utm_source=hashnode&utm_medium=feed)

[Mar 26](https://hashnode.com/posts/you-cant-manage-what-you-cant-see-three-pillars-of-observability/69c56d4e5a1c125818c3e424)

### [Scaling: Before You Buy More Servers, Read This](https://ajitabh.net/scaling-before-you-buy-more-servers-read-this?utm_source=hashnode&utm_medium=feed)

Most slow systems are code problems not infrastructure. Covers horizontal scaling, load balancers, read replicas, connection pooling and auto-scaling

9 min read · [ajitabh.net](https://ajitabh.net/scaling-before-you-buy-more-servers-read-this?utm_source=hashnode&utm_medium=feed)

[Mar 26](https://hashnode.com/posts/scaling-before-you-buy-more-servers-read-this/69c55f7cbab7762a3ec8b2f0)

### [When to Stop Calling APIs and Start Publishing Events](https://ajitabh.net/when-to-stop-calling-apis-and-start-publishing-events?utm_source=hashnode&utm_medium=feed)

Synchronous chains fail at scale. Covers Kafka vs RabbitMQ, delivery guarantees, idempotency, Saga and Outbox patterns for backend engineers.

8 min read · [ajitabh.net](https://ajitabh.net/when-to-stop-calling-apis-and-start-publishing-events?utm_source=hashnode&utm_medium=feed)

[Mar 26](https://hashnode.com/posts/when-to-stop-calling-apis-and-start-publishing-events/69c5512ac147fa621e034eb9)