Skip to content
Ajmal K Engineer & builder
WorkAboutWritingContact ↗
← Home

The notebook

Thinking out loud.

Notes on engineering, building AI products, and what I learn along the way.

In this collection

All writing 02Explore my work ↗

Written by Ajmal K.
From experience, with curiosity.

Notes & perspectives

From the workbench.

Things I’m building, questions I’m exploring, and lessons worth keeping.

All writing

Latest first

01 / Aug 11, 2025

I built a 'Heroku for LLMs' from scratch. I got 0 users. Here's why.

My journey building a full-stack AI platform and the pivot it inspired. Learn from my mistakes building cubik.ai - a comprehensive LLM hosting platform that taught me expensive lessons about product-market fit.

Read the story ↗
I built a 'Heroku for LLMs' from scratch. I got 0 users. Here's why.

02 / Sep 2, 2024

Building LLM Applications with OpenAI, Vector DBs and LangChain

Learn how to create powerful AI applications by combining OpenAI's language models, vector databases for semantic search, and LangChain for orchestration. A comprehensive guide to building production-ready LLM apps.

Read the story ↗
Building LLM Applications with OpenAI, Vector DBs and LangChain

Have something in mind?

Let’s build something good.

Get in touch ↗
© 2026 Ajmal KBuilt with care. Always a work in progress.Notes & ideas ↗