Sushant Dhiman

I’m a backend engineer focused on building reliable, scalable services and infrastructure, not just APIs. I write technical blogs. I share what I’m learning in public — experiments, mistakes, tutorials and opinions.

In my free time I also explore low-level systems to understand how a computer really works. I like connecting with like-minded people, so below are my social media handles.

Blog Posts

Built a TCP Load Balancer in C to understand how it actually works.

A lot of engineers use load balancers every day. But most of them never...

Kafka Fundamentals - Guide to Distributed Messaging

Why Kafka Exists? You are building a backend system with multiple services (auth, payments,...

Understanding gRPC architecture in simple terms

Most tutorials explain how to write a .proto file and call a gRPC method....

HTTP Under the Hood: Here's What Actually Happens

Most backend engineers think that HTTP is a stateless request-response protocol. That's...

Building a Kafka-style commit log from scratch.

Recently I was learning how Kafka works internally. So in order to understand it,...

Why Kafka is so fast?

Recently I was exploring RabbitMQ and Kafka to do some POCs. I found that...