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Soham Haldar

Full Stack Developer and Software Engineer

> little about me

I am 20 years old computer science undergrad based in india. I like to build random stuff. I have expertise in web development and generative ai engineering.

> Skills

Frontend Development

React • Next.js • Shadcn • ReactNative • Tailwind CSS • Responsive Design

Backend Development

Node.js • Express • MongoDB • PostgreSQL • Redis • Prisma • REST APIs

DevOps & Tools

Git • Docker • Nginx • WebRTC • Socket.io • Github Actions

AI Engineering

LangChain • LangGraph • RAG Systems • Prompt Engineering • Vector Databases

Languages

Java • Javascript • Typescript • Python • C (Familiar)

> My Experiences

SDE Intern

Kabizz Labs

Remote (In)

May 2025-July 2025

  • Built end-to-end web application with React.js frontend and Node.js backend.
  • Deployed on AWS EC2 with Nginx reverse proxy, achieving 99.9% uptime, and established CI/CD pipeline reducing deployment time by 50%.
  • Implemented robust security measures, including data encryption and secure authentication protocols, enhancing overall application security.

Full Stack Developer Intern

Wisematic Inc.

Remote (CA)

Dec 2024-May 2025

  • Developed 3+ client web applications using Next.js and Node.js, improving user engagement by 40% through optimized UI/UX and real-time features
  • Collaborated in Agile teams to deliver scalable microservices, reducing API response time by 30% via Redis caching and code refactoring.

> My Projects

Havtalk - AI Chat Platform

AI chat platform with character customization and real-time interaction

A full-stack real-time AI chat platform with support for custom characters, conversation histories, and image generation. Frontend built with Next.js App Router, TypeScript, and Tailwind CSS, secured using Better Auth and OAuth 2.0. Backend powered by Express.js, PostgreSQL, and Prisma ORM with Gemini API integration for chat and Stable Diffusion for AI images. Deployed on AWS EC2 using Docker and Nginx.

Next.jsExpress.jsTypeScriptPostgreSQLAWSDockerNginxPrismaGemini APIStable DiffusionOAuth
Live Link Source Code
Havtalk - AI Chat Platform

BoardSync - Collaborative Whiteboard

Free and open-source collaborative whiteboard

Real-time collaborative whiteboard with multi-user sync using WebSockets. Supports 50+ concurrent users with under 200ms latency. Built using Next.js, TypeScript, and Socket.IO.

Next.jsTypeScriptSocket.IOMongoDBTailwind CSSRedisOAuth
Live Link Source Code
BoardSync - Collaborative Whiteboard

LiveVibes - Video Streaming

Interactive live video streaming and chat platform

A live broadcasting platform with webcam streaming, screen sharing, and real-time chat using WebRTC protocols. Built using the MERN stack and Socket.IO.

WebRTCMongoDBExpress.jsReactNode.jsSocket.IOTailwind CSS
Source Code
LiveVibes - Video Streaming

Hospital Management System

Backend API for managing hospital operations securely

Designed and implemented RESTful APIs for patient records, appointments, and user management with JWT authentication and role-based access control. Built using Node.js, Express.js, and MongoDB.

Node.jsExpress.jsMongoDBJWT
Source Code

Vibes Music App

Cross-platform music app with sleek design and smooth performance

Cross-platform music streaming app built with React Native, featuring responsive UI and smooth playback. State managed with Zustand and styled using Nativewind.

React NativeZustandNativewind
Source Code
Vibes Music App
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> My Contacts

Feel free to reach out to me via email at sohamhaldar25@gmail.com

You can also find me on: