Building scalablesystems for modern web

Frontend / Fullstack Developer crafting performance-focused products with React, Next.js, and systems that scale.

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Software Developer with a passion for Scalable Systems

I'm Siddhartha Mishra, a Software Developer with a deep focus on crafting premium web and mobile experiences. My expertise lies in building reusable component architectures, optimizing performance, and designing systems that scale.

2+ Years

Experience

15+

Projects

Open Source

Satisfied Clients

Expertise & Services

Frontend Engineering

Deep expertise in React, Next.js, and TypeScript. Building scalable and maintainable component architectures.

Mobile Development

Creating cross-platform mobile experiences using React Native with a focus on native-like performance.

Backend & Systems

Designing robust APIs and database schemas using Node.js and MongoDB. Focus on system design and scalability.

Performance Optimization

Obsessed with Core Web Vitals, bundle size reduction, and smooth 60fps animations.

My professional experience as a developer, focusing on engineering excellence and product growth.

Software Developer II

TechBRJ

2026 - Present

Designing and architecting scalable frontend systems using Next.js and TypeScript.
Leading the development of React Native applications with cross-platform optimization.
Improved application performance and reduced bundle size by 30% through advanced optimization techniques.
Implemented complex state management and data fetching patterns using TanStack Query.
Conducting technical code reviews and making critical architecture decisions.

Software Developer I

TechBRJ

2024 - 2026

Developed scalable frontend components using React 18 and Tailwind CSS.
Optimized web performance and Lighthouse scores through SSR/SSG strategies.
Built and maintained reusable component libraries for internal teams.
Integrated complex RESTful APIs and handled real-time data synchronization.
Successfully migrated legacy applications to modern React 18 standards.

A curated selection of my open-source work and side projects, ranging from developer tools to full-stack applications.

Developer Tools

SnapbitTools

A comprehensive suite of developer utilities designed for maximum productivity. Includes state-of-the-art formatting, conversion, and debugging tools with a focus on performance and DX.

Tanstack Start

TypeScript

Tailwind

Radix UI

Web App

Sticky-Iky

A premium sticky notes application with real-time synchronization, rich text editing, and advanced categorization features.

React

Firebase

Framer Motion

Fullstack

Bloggers

Modern blogging platform with markdown support, SEO optimization, and dynamic content delivery.

Next.js

MongoDB

Prisma

Tooling

create-parcel-react-template

A blazingly fast starter template for React applications using Parcel bundler. Pre-configured with Tailwind, TypeScript, and ESLint.

Parcel

React

TypeScript

Web Design

Portfolio v2

This current portfolio, featuring an updated design and enhanced user experience.

React

Next.js

Tailwind

Framer Motion

A comprehensive set of tools and technologies I use to bring digital products to life.

Frontend

React

Next.js

TypeScript

Tailwind

Framer Motion

TanStack Query

Backend & Database

Node.js

Express

Fastify

MongoDB

REST APIs

Mobile

React Native

Expo

Tools & DevOps

Git

Docker

Vercel

Railway

Writing about web technologies.

View all posts Dev.to

When Does useEffect Really Run?

Aug 20, 2026

#React#useEffect#React cleanup

Why Calling setCount Three Times Doesn't Add Three in React

Aug 10, 2026

#React#React state#setState