---
title: "Mian Zubair (@mianzubair) | Hashnode"
description: "Cloud Infrastructure Architect | AWS CDK, DevOps, CI/CD | Writing production-grade guides — no toy examples."
url: "https://hashnode.com/@mianzubair"
---

@mianzubair

# Mian Zubair

@mianzubair · Joined March 2026

### [Your Production Code Is Training AI Models Right Now (And How to Audit Your Stack)](https://mianzubair.hashnode.dev/your-production-code-is-training-ai-models-right-now-and-how-to-audit-your-stack?utm_source=hashnode&utm_medium=feed)

Every AI coding tool you use needs access to your code to function. Copilot reads your files for completions. Cursor indexes your project for context. LangChain traces log your prompts and outputs for

5 min read · [mianzubair.hashnode.dev](https://mianzubair.hashnode.dev/your-production-code-is-training-ai-models-right-now-and-how-to-audit-your-stack?utm_source=hashnode&utm_medium=feed)

[Apr 1](https://hashnode.com/posts/your-production-code-is-training-ai-models-right-now-and-how-to-audit-your-stack/69cc8abee4688e4edd7e0a82)

### [The Difference Between Junior and Senior Engineers Isn't the Code They Write](https://mianzubair.hashnode.dev/the-difference-between-junior-and-senior-engineers-isn-t-the-code-they-write?utm_source=hashnode&utm_medium=feed)

After 4 years of shipping production systems across AI platforms, mobile apps, and AWS serverless backends, I've noticed a pattern. The engineers who ship the fastest and break the least aren't the on

4 min read · [mianzubair.hashnode.dev](https://mianzubair.hashnode.dev/the-difference-between-junior-and-senior-engineers-isn-t-the-code-they-write?utm_source=hashnode&utm_medium=feed)

[Mar 28](https://hashnode.com/posts/the-difference-between-junior-and-senior-engineers-isn-t-the-code-they-write/69c81c397cf270651049da32)

### [4 pgvector Mistakes That Silently Break Your RAG Pipeline in Production](https://mianzubair.hashnode.dev/4-pgvector-mistakes-that-silently-break-your-rag-pipeline-in-production?utm_source=hashnode&utm_medium=feed)

pgvector Mistakes that silently break your RAG pipeline in Production

5 min read · [mianzubair.hashnode.dev](https://mianzubair.hashnode.dev/4-pgvector-mistakes-that-silently-break-your-rag-pipeline-in-production?utm_source=hashnode&utm_medium=feed)

[Mar 27](https://hashnode.com/posts/4-pgvector-mistakes-that-silently-break-your-rag-pipeline-in-production/69c6b48dba12dbac2f83a1ad)

### [What Really Happens When You Deploy with AWS CDK?](https://mianzubair.hashnode.dev/what-really-happens-when-you-deploy-with-aws-cdk?utm_source=hashnode&utm_medium=feed)

A Behind-the-Scenes Guide That Most Teams Learn the Hard Way

19 min read · [mianzubair.hashnode.dev](https://mianzubair.hashnode.dev/what-really-happens-when-you-deploy-with-aws-cdk?utm_source=hashnode&utm_medium=feed)

[Mar 10](https://hashnode.com/posts/what-really-happens-when-you-deploy-with-aws-cdk/69b03deaabc0d950017c9223)