Software Engineer | Full-Stack Developer: Next.js, React, Node.js, TypeScript, PostgreSQL | AI & Agentic Systems

leetcode

github

Rajarshi Chakraborty  • Peerlist

I have had the distinct honour and privilege of engineering an advanced and fully autonomous 'Line Follower' automaton - an intelligent, Arduino-driven contrivance, meticulously designed and constructed to discern and follow with the utmost precision a black line upon a designated surface. By harnessing the very latest advancements in automation, sensor integration, and electronic precision, this project is an exemplar of the seamless fusion of technological ingenuity and engineering exactitude. It empowers the machine to navigate, with remarkable accuracy and efficiency, pre-determined routes, thereby demonstrating the remarkable potential of robotics in real-world applications. Furthermore, I had the great privilege of partaking in an exclusive and intellectually stimulating workshop, hosted by @RRC, the Robotics Subclub of Geekonix - an esteemed and pioneering institution of technical innovation at Techno Main Salt Lake. In this distinguished forum, I refined and expanded my knowledge, honing my skills in the complex and evolving fields of robotics, automation, and emergent technologies, all of which are absolutely indispensable in propelling the success of modern technological ecosystems, and which will continue to shape the very future of engineering and innovation in the years to come.

AUTOBOTS

Chatify

DevPilot

ExeOS-AI is an AI-native executive workspace that unifies email, calendars, tasks, notes, and intelligent automation into a single productivity platform. Built for professionals and modern teams, it leverages state-of-the-art language models to automate routine work, organize information, and provide actionable insights from your daily workflow.

ExeOS-AI

Expenzo

GoSwift is a modern, full-stack ride-booking web application designed to replicate the core features of real-time transportation platforms.It enables users to request rides, track drivers live on a map, and simulate a smooth and responsive booking experience. It also provides drivers with real-time ride requests, navigation tools, and earnings management - all within user-friendly interface. Tech Stack: Client Side: React.js, TailwindCSS, Axios, Google Maps API, Skipper.js Server Side: Node.js, Express.js, Socket.io, JWT ,Bcrypt.js Databases : MongoDB with Mongoose Additional Tools: Cloudinary, Nodemailer, Stripe. Key Features: Role-Based Authentication: Separate login/signup portals for users and drivers with JWT-secured sessions. Ride Booking System: Users can request a ride, view nearby drivers, and receive real-time ride status. Driver Dashboard: Drivers receive and manage ride requests, view trip history, and track income. Live Location Tracking: Real-time vehicle and user movement with Google Maps API integration. Booking & Trip Logs: Both users and drivers can access detailed records of completed trips. Mock Payments: Simulated payment gateway for testing fare calculation and transaction flow. Learning Outcomes: GoSwift is a real-world full stack project that demonstrates core concepts such as real-time socket communication, REST API integration, stateful frontend design, and cloud deployment. It showcases how scalable architecture and responsive interfaces come together to deliver seamless experiences across user roles. The project is hosted using MongoDB Atlas for the database and deployed on platforms like Render and Vercel.

GoSwift

Build a LinkedIn Post Generateor based on length , post types and language using Langchain, GROQ API and Streamlit for UI. Checkout the Repo : https://github.com/chakrabortyrajarshi2005/LinkedIn-Post-Generateor

LinkedIn Post Generateor

LinkedUp is an AI-powered LinkedIn content generation platform built with LangChain, Groq LLMs, and Streamlit, delivering context-aware, high-quality content generation through scalable LLM pipelines and an intuitive user interface.

LinkedUp

A utility class based css parser built entirely on JavaScript which contains more than 1200 classes and can be used through with any html and jsx/tsx like structure just using CDN. Checkout Live app : https://mini-tailwindcss.com

Mini-TailwindCSS

Tech Stack: Next.js , Tailwind CSS , Shadcn UI, PostgreSQL + Prisma , tRPC

NovaHart-AI

2025 SIH-25036 A Softo-hardware product that detects microplastics in any liquid sample without requiring laboratory testing, ensuring quick, on-site, and accurate analysis - currently in the working phase.

PlastiScan: A Lab-less Microplastic Detector

SocketPoll is a real-time audience engagement platform engineered for instant interactive experiences, featuring low-latency WebSocket communication, scalable backend architecture, and a modern React-based interface powered by PostgreSQL for reliable data persistence.

SocketPoll

Spam Email Prediction

Synapse UI is a modern React UI library built with Next.js, TypeScript, and FumaDocs - helping developers build beautiful, production-ready applications faster. Designed with accessibility, performance, and scalability in mind, it enables teams to ship consistent, maintainable interfaces with confidence.

Synapse UI

TaskNest

Zenith CLI is a modern, AI-powered developer workspace that lives entirely inside your terminal. Powered by Google Gemini, Zenith combines conversational AI, intelligent tool execution, and autonomous project generation into a single CLI experience. Whether you're asking questions, searching the web, executing code, or scaffolding an entire application, Zenith keeps your workflow fast, interactive, and terminal-first.