Sushil Kumar

@sushil618

FullStack Engineer | Aspiring to become top 1%

Delhi, IndiaJoined August 2023

About

Hey devs, I am a Fullstack developer from India. Working for over 3 years now. I love working remote and exploring new realms of technology. Currently exploring AI and building scalable systems.

Available for

Remote Fullstack Jobs at exciting startups!!

Sushil Kumar's blogs

Let Us Nodelet-us-node.hashnode.dev10 posts

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let-us-node.hashnode.dev

this keyword in Javascript and its relationship with arrow functions

If you’ve ever found yourself scratching your head over this in JavaScript, you’re not alone.It’s one of the most misunderstood yet most powerful concepts in the language. We often hear that: “Arrow functions don’t have their own this — they inherit...

Oct 21, 20255 min read

let-us-node.hashnode.dev

Detailed System Design of Spotify: Architecture, Scalability, and ABR (HLS/DASH) Streaming Lessons

Designing scalable streaming platforms is one of the problems I like the most. I am obsessed with streaming platforms, both as a consumer and as a Software Engineer. Low latency streaming is one of the topics that always interests me and keeps me cur...

Sep 15, 202511 min read

let-us-node.hashnode.dev

Optimizing Node.js Applications for Performance and Scalability

Strategies to Handle High Traffic and Improve Efficiency To deliver a seamless user experience and maintain system reliability, it’s essential to build Node.js applications that are both robust and efficient. A well-optimized application can manage t...

Feb 14, 20257 min read

let-us-node.hashnode.dev

10 Open-Source Tools for the LLM World

The rapid advancement of large language models (LLMs) has sparked a surge of innovation in open-source tools, enabling developers to craft powerful AI-driven applications. From building chatbots to deploying generative AI solutions, these tools offer...

Dec 27, 20247 min read

let-us-node.hashnode.dev

Node.js FS Module : Files, Directories, Streams

Hey everyone, In this article, we’re going to dive deep into the fs module in Node.js and explore its capabilities in detail. The fs module, short for File System, is a built-in module in Node.js that provides a range of functionalities to work with ...

Dec 24, 20247 min read

Sushil Kumar

About

Available for

Sushil Kumar's blogs

Recently published

this keyword in Javascript and its relationship with arrow functions

Detailed System Design of Spotify: Architecture, Scalability, and ABR (HLS/DASH) Streaming Lessons

Optimizing Node.js Applications for Performance and Scalability

10 Open-Source Tools for the LLM World

Node.js FS Module : Files, Directories, Streams

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Sushil Kumar

About

Available for

Sushil Kumar's blogs

Recently published

this keyword in Javascript and its relationship with arrow functions

Detailed System Design of Spotify: Architecture, Scalability, and ABR (HLS/DASH) Streaming Lessons

Optimizing Node.js Applications for Performance and Scalability

10 Open-Source Tools for the LLM World

Node.js FS Module : Files, Directories, Streams