Krupa Sawant

@krupa-sawant

Mumbai, IndiaJoined July 2025

About

Hi I am Krupa! I’m a Full-Stack Developer focused on building secure, scalable web applications with Java, JavaScript/TypeScript, and Node.js. I take pride in solving challenges like authentication and Single Sign-On. Off work, I’m a 2× marathon finisher and avid photographer, always seeking new adventures.

Available for

Full time Software Developer Roles in USA/India starting immediately

Krupa Sawant's blogs

Stack Storieskrupasawant.hashnode.dev17 posts

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Recently published

krupasawant.hashnode.dev

AWS Lambda — Serverless in Under 30 Seconds

AWS Lambda is a serverless compute service that lets you run code without provisioning or managing servers. You simply upload your function (in Python, Node.js, Java, etc.), and AWS handles everything behind the scenes — scaling, running, and billing...

Sep 16, 20251 min read

krupasawant.hashnode.dev

Understanding AWS EC2 in Under 3 minutes

AWS EC2 (Elastic Compute Cloud) lets you rent virtual machines on demand in the cloud — pay only for what you use. It's like having your own server, but elastic, scalable, and ready in minutes. Why Use EC2? Elasticity: Scale up or down based on dem...

Sep 16, 20253 min read

krupasawant.hashnode.dev

How YouTube Works: The Role of Resumable Uploads, DAG Processing, and Adaptive Streaming

Uploading a 30GB video to YouTube without breaking the internet? It’s not magic — it’s a combination of chunked uploads, resumable transfers, DAG-based processing, and adaptive bitrate streaming working seamlessly behind the scenes. Let’s understand ...

Sep 14, 20256 min read

krupasawant.hashnode.dev

Amazon S3 : A Clear Guide to Buckets and Infrastructure

Amazon S3 is one of the most powerful and foundational services in the AWS ecosystem — and it’s often the first service engineers use when moving to the cloud. In this guide, we’ll go from the absolute basics of creating your first S3 bucket, to unde...

Sep 14, 20256 min read

krupasawant.hashnode.dev

Building a Full-Stack Fitness SaaS App with Next.js, Supabase, and Stripe

As someone passionate about fitness, I wanted to build an application that reflects both my personal interests and my technical skills. The Fitness SaaS app I created allows paid members to securely book classes, view upcoming sessions, and manage th...

Sep 5, 20255 min read

Krupa Sawant

About

Available for

Krupa Sawant's blogs

Recently published

AWS Lambda — Serverless in Under 30 Seconds

Understanding AWS EC2 in Under 3 minutes

How YouTube Works: The Role of Resumable Uploads, DAG Processing, and Adaptive Streaming

Amazon S3 : A Clear Guide to Buckets and Infrastructure

Building a Full-Stack Fitness SaaS App with Next.js, Supabase, and Stripe

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Krupa Sawant

About

Available for

Krupa Sawant's blogs

Recently published

AWS Lambda — Serverless in Under 30 Seconds

Understanding AWS EC2 in Under 3 minutes

How YouTube Works: The Role of Resumable Uploads, DAG Processing, and Adaptive Streaming

Amazon S3 : A Clear Guide to Buckets and Infrastructure

Building a Full-Stack Fitness SaaS App with Next.js, Supabase, and Stripe