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KaranDigitalLabs engineering project library

A professional library of software engineering work: real business systems, AI tools, backend APIs, dashboards, realtime apps, automation utilities, and cloud-ready platforms.

AIAPIsDashboardsSaaSRealtimeCloudDeveloper ToolsBusiness Systems
Real business project

B2B Textile Platform

Sarjan Textiles

Next.js storefront and admin platform for textile catalog, inquiries, orders, CMS workflows, SEO, Supabase-ready data, and email flows.

Next.jsSupabaseNodemailerAdmin CMS
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AI delivery system

AI Engineering Runtime

Autonomous AI Software Company

17-agent software delivery runtime that expands requirements, plans architecture, creates artifacts, validates output, and generates runnable Next.js apps.

Node.jsExpressOpenAIZodPino
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AI automation project

AI Content API

AI Blog Writer

FastAPI service for SEO blog generation, keyword integration, tone control, content length control, SEO scoring, and reading-time estimation.

PythonFastAPIOpenAIUvicorn
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AI API project

AI News Platform

AI News Aggregator

Express API for real-time news aggregation, AI summaries, category filtering, search, trending news, and caching for faster responses.

Node.jsExpressOpenAIAxiosCache
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AI parsing project

AI Document Intelligence

AI Resume Parser

FastAPI resume parser that extracts PDF text, structures resume data with AI, scores resume quality, and returns improvement suggestions.

PythonFastAPIOpenAIPyPDF2
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Dashboard project

Fullstack Dashboard

Analytics Dashboard Pro

Production-style analytics dashboard with JWT authentication, protected APIs, real-time metrics, CORS support, and clean fullstack structure.

ReactNode.jsExpressJWT
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Fintech backend

Fintech Risk System

Banking Transaction Analyzer

Banking transaction API with fraud detection patterns, risk scoring, anomaly checks, AI financial insights, Redis queues, and MongoDB storage.

ExpressMongoDBRedisBullOpenAI
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Commerce API

Commerce Backend

E-Commerce API

Production-ready ecommerce API with product management, order workflow, Redis caching, MongoDB storage, JWT auth, and Stripe payments.

ExpressMongoDBRedisStripeJWT
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AI finance app

Personal Finance App

Expense Tracker AI

Smart expense tracker with category budgets, spending charts, monthly budget views, real-time analysis, and AI budget recommendations.

Next.jsReactTailwindRechartsZustand
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Developer tool

Developer Tooling

Jest to Vitest Migration CLI

CLI utility that migrates Jest tests to Vitest, converts common APIs, updates mock patterns, and processes folders recursively.

Node.jsCLITestingVitest
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Redis search project

Search Backend

Job Board with Redis

High-performance job board API with Redis keyword indexing, location and skill filtering, trending jobs, and automatic expiry.

ExpressRedisUUIDSearch
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Property API

Property Platform

Real Estate Listing API

Real estate listing backend with MongoDB, AWS S3 image uploads, advanced filtering, featured listings, search, and agent details.

ExpressMongoDBAWS S3MulterJWT
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Realtime system

Realtime App

Real-time Chat System

Socket.io chat system with instant messaging, live presence, typing indicators, join/leave events, avatars, timestamps, and responsive UI.

Node.jsSocket.ioWebSockets
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AI creator app

AI Creator Tool

Reel Script Generator

AI script generator for Instagram, YouTube, and TikTok content with platform targeting, style selection, duration control, hooks, and CTAs.

Next.jsReactOpenAITailwind
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SaaS-style app

Fullstack Social App

Social Media Feed

Next.js social feed with PostgreSQL, Prisma ORM, image posts, likes, comments, profiles, follow/unfollow workflows, and paginated feeds.

Next.jsTypeScriptPostgreSQLPrismaJWT
View case proof View repository
Data dashboard

Market Dashboard

Stock Market Tracker

Stock tracker with real-time quotes, watchlists, company info, technical indicators, RSI, MACD, and interactive charting.

Next.jsReactRechartsFinnhubZustand
View case proof View repository
SaaS project

Productivity SaaS

Task Manager Pro

Kanban task manager with Next.js, TypeScript, PostgreSQL, Prisma ORM, priority levels, task statuses, and drag-and-drop-ready APIs.

Next.jsTypeScriptPostgreSQLPrisma
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API project

Analytics API

URL Shortener Service

URL shortening API with unique short codes, click tracking, link expiration, URL validation, analytics, and clean REST endpoints.

Node.jsExpressShortIDCORS
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Cloud API

Cloud Media API

Video Streaming AWS

Video streaming backend with AWS S3 upload, video streaming endpoints, metadata lookup, delete flow, and scalable media storage.

ExpressAWS S3MulterUUID
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