About

Ayush Kaushik

Backend & AI Engineer

I'm a backend engineer focused on the parts of software that have to actually work in production: APIs under load, async services that don't leak connections, and AI features that stay grounded and reliable.

Most of my work lives in the Python and FastAPI ecosystem — designing API architecture, wiring up SQLAlchemy and Postgres correctly, and increasingly building LLM and RAG systems that go beyond demos. I write about the problems I hit along the way, in enough depth to be genuinely useful to other engineers.

This site is where I publish that writing — and where you can reach me if you're building something in the same space.

Stack I work in

Python FastAPI SQLAlchemy PostgreSQL Async / asyncio RAG & vector search LLM integration Docker Google Cloud Run CI/CD

Let's work together

I take on a small number of backend and AI engagements. Tell me what you're building.

Book a discovery call More writing