Hi there, I'm

Harsh

I specialize in building scalable web applications and seamless UX.

Next.js

React

Node.js

TypeScript

JavaScript

Tailwind

Python

Docker

AWS

Postgres

MongoDB

Prisma

Nginx

Java

Socket.io

Three.js

Next.js

React

Node.js

TypeScript

JavaScript

Tailwind

Python

Docker

AWS

Postgres

MongoDB

Prisma

Nginx

Java

Socket.io

Three.js

Projects

File uploads

LiteShare CLI

🚀 A powerful CLI tool for peer-to-peer file sharing with password protection and progress tracking.

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Streaming tokens float field(vec2 p, float t) { float ph = TAU * t / T; float v = blob(p, vec2(88.0, 230.0), 30.0, 1.05); // the ribbon: a travelling wave from the model to the response, pulses running along it (six a cycle) if (p.x > 116.0 && p.x < 356.0) { float env = sin(3.14159 * (p.x - 116.0) / 240.0); float y = 230.0 + 30.0 * env * sin(p.x * 0.035 - ph * 2.0); float pulse = pow(0.5 + 0.5 * sin(p.x * 0.08 - ph * 6.0), 4.0); v += exp(-pow(p.y - y, 2.0) / 64.0) * (0.3 + 0.75 * pulse); } // the response: four lines; the last is written by the cursor, then it all scrolls up a line if (p.x > 376.0 && p.x < 654.0 && p.y > 130.0 && p.y < 322.0) { float yy = p.y + 46.0 * sm(3.2, 3.8, t); float idx = floor((yy - 160.0 + 23.0) / 46.0); float ly = 160.0 + 46.0 * idx; float on = step(0.32, hash(vec2(floor(p.x / 7.0), 1.0))); float front = t < 0.3 ? 380.0 : t < 3.0 ? mix(380.0, 650.0, (t - 0.3) / 2.7) : 650.0; float filled = idx < 3.0 ? 1.0 : idx < 4.0 ? (t > 3.0 ? 1.0 : 1.0 - sm(front - 6.0, front + 4.0, p.x)) : 0.0; float band = exp(-pow(yy - ly, 2.0) / 49.0); v += band * (on * (0.55 + 0.35 * hash(vec2(floor(p.x / 7.0), 2.0))) * filled + 0.13 * (1.0 - filled) * on); float cx = t < 3.0 ? front : 380.0; float cyy = t < 3.0 ? 298.0 : 298.0 - 46.0 * sm(3.2, 3.8, t) + 46.0 * step(3.8, t); v += blob(p, vec2(cx + 3.0, cyy), 8.0, 1.2 * (t < 3.0 || t > 3.8 ? 1.0 : 0.0)); } return v; }

CodeBox AI

Custom remote code execution platform with AI-based interviewer chat and real-time feedback using WebSockets and Docker.

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Log stream

WroteUs

Real-time collaborative whiteboard platform with drawing tools and live chat.

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Version control

DevMatchups

Platform for connecting developers for hackathons and collabs.

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Experience

• Built Groww’s end-to-end automated story generation platform, including document ingestion, review workflows, rendering, and publishing; increased output from 10/week to 15/day.

• Optimized high-traffic product pages serving 300K+ monthly users by improving frontend performance and caching, reducing load times by 42%.

• Optimized high-scale web systems by building a BFF layer with batching, parallel fetches, and caching, while resolving frontend performance bottlenecks including memory leaks and redundant renders.

Timeline

Hackathons

IEM Hacks 2.0
Online store for farmers using React, Node.js, MongoDB.
Aug 2023
HackAI
Celebrity face generator using DCGAN for deep learning.
Mar 2024
Buildspace S5
Full-stack apps with Prisma, PostgreSQL.
Aug 2024
IEM Hackoasis 1.0
AI-powered cybersecurity platform for live threat detection.
Sept 2024
Hack This Fall (MLH)
ML-based crypto scam detection using transaction analysis.
Nov 2024
Hack4Bengal 3.0
Decentralized ticketing platform on Avalanche.
Jun 2024
Diversion 2k25 (MLH)
Decentralized freelancing platform with escrow.
Feb 2025
Murf AI Coding Challenge
Real-time YouTube Translator Chrome Extension using Murf APIs.
Jun 2025
Walmart Sparkathon Challenge
AI Native virtual shopping infusion with retail stores.
July 2025

Timeline

Beyond Code

Education

Institute of Engineering and Management (IEM)

B.Tech – Computer Science and Engineering (IoT)

Kolkata, India

CGPA: 9.032022 – 2026
School

Sri Ram Narayan Singh Memorial High School

ISC – XII

Kolkata, India

86%2019 – 2021
Mentorship

Mentor & Project Admin

Social Winter of Code

Mentored 20+ contributors for the open-source project DevMatchups over a period of two months.

2024
Leadership

Web Development Lead

Google Developer Group IEM

Conducted open-source mentorship and web development guidance sessions. Led the Arcade Facilitator Program with over 200+ participants.

2024–2025

Featured

Writing

Medium

Understanding Garbage Collection in Go

Understand Go's garbage collection, escape analysis, mark and sweep, tricolor algorithm, write barriers, GOGC tuning and common memory pitfalls.

7 min readGolang
Medium

Stop Switching, Start Shipping: Git Worktrees and Claude Code for Beginners

How Git worktrees let you keep multiple branches checked out at once, and how pairing them with Claude Code unlocks truly parallel coding workflows.

6 min readGit · Claude Code · Workflow
Medium

How Git Aliases Made My Life Easier

From tiny shortcuts like `git cm` and `git nb` to full shell-function aliases that encode entire workflows — how my .gitconfig saves me hours every week.

4 min readGit · Productivity · Shell

About

Me

Harsh Pandey

Passionate software engineer focused on building scalable, high-performance systems and AI-driven products. Experienced in full-stack development, distributed architectures, real-time systems, and developer tooling using TypeScript, React, Next.js, Node.js, Docker, and cloud technologies. Strong interest in solving complex engineering problems, optimizing system performance, and shipping impactful products at scale.

Skills

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