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Euphoric-Coder/README.md

Hi there, I'm Sagnik Dey 👋

Full-Stack Developer • AI & Cloud Enthusiast • Builder of Practical Digital Products

I build modern, scalable, and meaningful software products that combine clean user interfaces, strong backend systems, real-time workflows, cloud deployment, and AI-powered intelligence.

My focus is not only on writing code, but on building products that feel complete, useful, polished, and ready for real-world users.


Portfolio LinkedIn GitHub Email


About Me

I am a Computer Science student and full-stack developer focused on building practical, scalable, and real-world software products.

I enjoy working across the complete development cycle — from planning features and designing clean interfaces to building backend systems, modeling databases, integrating authentication, adding AI workflows, and deploying applications.

My projects usually go beyond basic UI screens. I like building systems with real user roles, dashboards, workflows, automation, data handling, mobile flows, and production-style architecture.

I actively build around areas such as civic-tech, healthcare systems, finance tools, AI assistants, developer platforms, productivity apps, and data-driven dashboards.

For me, a strong project should solve a clear problem, feel smooth to use, and have a reliable technical foundation.


What I Do

I work mainly around full-stack product development, AI-powered applications, mobile workflows, and cloud-ready systems.

  • Frontend: React.js, Next.js, Tailwind CSS, ShadCN UI, Radix UI
  • Backend: APIs, authentication, databases, RBAC, workflows, and business logic
  • AI Integration: LangChain, Groq, Gemini AI, ChromaDB, RAG, semantic search, and automation
  • Mobile: React Native and Expo apps with role-based flows and real-time interaction
  • Cloud & Deployment: Vercel, Render, Netlify, AWS, and Google Cloud
  • Dashboards: Admin panels, analytics views, status tracking, SLA monitoring, and workflow summaries

I like building software with a product-first mindset — focusing on who will use it, why it matters, and how the system can grow beyond a basic prototype.

Tech Stack

Core Languages

Frontend & Mobile

Backend, Databases & Auth

AI, Data & Automation

Cloud, APIs & Tools


Featured Projects

CityCare – Smart Civic Issue Management Platform

A full-stack civic-tech ecosystem for reporting, verifying, assigning, tracking, and resolving public issues through web and mobile workflows.

Highlights

  • Multi-role platform for Citizens, Unit Officers, Field Officers, Admins, and City Admins
  • Citizen web portal, admin/staff dashboard, and React Native officer mobile app
  • Geo-tagged issue reporting with images, category, priority, address, latitude, and longitude
  • Duplicate detection using location proximity, category, subcategory, and text similarity
  • SLA tracking, escalation handling, officer assignment, and resolution verification
  • AI-assisted issue review for better classification and triaging support

Tech Used: Next.js, React Native Expo, ConvexDB, NextAuth, Upstash, Resend, Gemini AI, Google Maps API

Why it stands out: CityCare goes beyond a basic complaint system by modeling real civic workflows such as verification, duplicate review, officer assignment, SLA monitoring, escalation, and transparent resolution tracking.


MediCura HMIS – Hospital Management Information System

A full-stack hospital management platform that connects patients, doctors, receptionists, pharmacists, and admins in one centralized workflow.

Highlights

  • Role-based dashboards for Patients, Doctors, Pharmacists, Receptionists, and Admins
  • Appointment booking and scheduling workflow
  • Doctor consultation and prescription management
  • Prescription-to-pharmacy flow with inventory support
  • Admin dashboard for users, appointments, consultations, prescriptions, and pharmacy activity
  • Secure role-based authentication using NextAuth
  • IST-aware scheduling for reliable Indian hospital workflows

Tech Used: Next.js, JavaScript, Tailwind CSS, ShadCN UI, Drizzle ORM, PostgreSQL NeonDB, NextAuth, jsPDF

Why it stands out: MediCura is designed around real hospital operations instead of disconnected modules, connecting appointments, consultations, prescriptions, pharmacy tasks, and admin monitoring into one structured system.


An interactive life-visualization platform that helps users map memories, milestones, goals, and achievements across a week-based timeline.

Highlights

  • 4,000+ weeks life timeline visualization
  • Week-based event mapping for memories, goals, and milestones
  • Color-coded categories for life phases and achievements
  • Interactive event creation, editing, and organization
  • PDF export support using jsPDF
  • Selected as a Top 3 hackathon finalist

Tech Used: Next.js, JavaScript, Tailwind CSS, Clerk, PostgreSQL NeonDB, ShadCN UI, Recharts, jsPDF

Why it stands out: Live Story turns personal memories and goals into a visual timeline, combining data visualization, storytelling, reflection, and export-ready documentation.


An AI-powered expense tracking and budgeting platform designed to help users understand and manage their spending.

Highlights

  • Expense tracking and categorization
  • AI-generated financial insights
  • Smart budgeting suggestions
  • Spending pattern analysis
  • Dashboard for income, expenses, and savings

Tech Used: Next.js, LangChain, Groq, NeonDB, Tailwind CSS, AI APIs


An AI-powered career tool that generates personalized cold emails and outreach messages from resumes and job descriptions.

Highlights

  • Resume-based cold email generation
  • Job description analysis
  • Semantic search for better personalization
  • FastAPI backend
  • AI-generated professional outreach content

Tech Used: FastAPI, Python, LangChain, ChromaDB, Groq, Semantic Search


A developer-focused blogging platform for writing, organizing, and publishing technical content.

Highlights

  • Markdown-based blog writing
  • Syntax highlighting for code blocks
  • Blog publishing workflow
  • Comments and engagement support
  • Theme switching
  • Clean developer-first reading experience

Tech Used: Next.js, React.js, Markdown, Tailwind CSS, Database Integration


GitHub Analytics



GitHub Activity


Connect With Me

I am open to connecting with developers, students, founders, teams, and anyone interested in building meaningful software.


Building software that is clean, scalable, intelligent, and useful.


Thanks for visiting my GitHub profile.

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  1. AlgoArchitects---Live-Story-Life-in-a-Weeks-Timeline-Project- AlgoArchitects---Live-Story-Life-in-a-Weeks-Timeline-Project- Public

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  2. MediCura---Hospital-Medical-Information-System MediCura---Hospital-Medical-Information-System Public

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  3. Dev-Block Dev-Block Public

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  4. BudgetEase--Expense-Tracker BudgetEase--Expense-Tracker Public

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  5. ShelfWise---College-Library-Management-System ShelfWise---College-Library-Management-System Public

    JavaScript

  6. Noteable-AI---Your-AI-Note-Taking-App Noteable-AI---Your-AI-Note-Taking-App Public

    JavaScript