Sarthak Duggal

Full Stack Developer crafting high-impact products with keen attention to detail.

Bengaluru, India

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About

Full Stack Software Engineer with a passion for creating innovative solutions. Experienced in building scalable and efficient web applications using a diverse tech stack including Python, JavaScript, React, and Node.js. Skilled in optimizing backend processes, enhancing user experiences, and delivering impactful results. Eager to contribute expertise to dynamic projects and collaborate with like-minded professionals.

Work Experience

Tifin Fintech
Bangalore, India

2025 - Present

Engineering Lead

Led a cross-functional team of 2 software engineers and 1 QA engineer to deliver product features, ensuring high-quality code releases and on-time project delivery
Spearheaded cloud migration of core microservice infrastructure from Amazon Web Services (AWS) to Google Cloud Platform (GCP), reducing system latency and decreasing infrastructure costs by 25%
Executed data migration of critical services from Firebase to the MongoDB database, improving query performance and reducing operational expenses
Resolved performance bottlenecks and system bugs, reducing application latency and minimising production incidents and on-call escalations

Tifin Fintech
Bangalore, India

2021 - 2025

Software Engineer ~ Full Stack

Achieved a 15% increase in MAU by adding new features to the app, engineering and implementing new micro-services within the domain of Investment Models
Engineered and implemented asynchronous API optimisation that reduced response latency by 30% and decreased on-call incidents by 45%, enhancing system reliability
Architected and optimised database read/write operations, achieving a 90% reduction in read operations (from 100 M+ to 10M) and significantly improving system throughput and infrastructure costs
Engineered cloud infrastructure optimisation through PubSub architecture refinement and database CPU utilisation, delivering 20% cost reduction across production services
Implemented a comprehensive data flow monitoring and debugging strategy, increasing system stability by 40% and establishing incident prevention

Education

Guru Gobind Singh Indraprastha University

2018 - 2022
Bachelor's Degree in Computer Science
CGPA 8.6

Skills

JavaScript
TypeScript
React/Next.js
Golang
Node.js
GraphQL
FastAPI
SQL/PostgreSQL
MongoDB
SQLAlchemy
Prisma

Blogs/Publications

Building Your Own Git from Scratch in Go

The article 'Building Your Own Git from Scratch in Go' provides a comprehensive guide to understanding and implementing the core functionalities of Git using the Go programming language. It delves into the internal mechanisms of Git, such as creating repositories, reading & writing blob objects, offering readers both theoretical insights and practical coding examples.

Git Internals
Go Programming

How to Implement Logging with Pino-logger

It covers the fundamentals of logging in Node.js applications, focusing on using Pino-logger. The article walks through setting up a project, installing Pino, creating a logger service, configuring logs, and storing logs in a file. It's aimed at developers with some Node.js experience and provides practical steps for implementing efficient logging in their applications.

Node.js
Logging

Build a custom sticky navbar with CSS

It guides readers on creating a responsive, sticky navigation bar using HTML, SCSS, and minimal JavaScript. It covers various aspects such as styling for different screen sizes, incorporating a hamburger menu for mobile views, and differences between sticky and fixed navbar positions. The post includes detailed code snippets and explanations, making it a practical resource for web developers looking to enhance their site navigation

SCSS
Navbar
Media-queries

How Node.js works behind the scenes?

An article giving you insights into How Node.js works behind the scenes in a very simple manner.

Node.js
Event loop

Uploading files using Multer in a Node.js application

In this article, we will see how to use Multer to handle multipart/form-data using Node.js, Express and MongoDB.

Node.js
Multer
File upload

Uploading Files using Formidable in a Node.js Application

In this article, we will see how to use Formidable to handle multipart/form-data using Node.js, Express, and MongoDB.

Node.js
Formidable
File upload

How does CSS works behind the scenes?

In this article we will explore what happens behind the scenes with CSS (Cascading Style Sheets). We will go over what parsing is within HTML.

CSS