Computer Science Engineering Student • Android & Full-Stack Developer • Tech Community Builder

I'm a Computer Science Engineering student at Government College of Engineering and Ceramic Technology (GCECT), Kolkata, graduating in 2027.

I enjoy building software that solves practical problems, particularly across Android, full-stack systems, developer tooling, and product engineering.

• 🎓 CSE @ GCECT, graduating 2027
• 📱 Building Android applications with Kotlin, Jetpack Compose, Room & WorkManager
• 🌐 Building web platforms with React, TypeScript, Node.js & Firebase
• 🏗️ Interested in software architecture, system design & developer tooling
• 🤖 Exploring on-device AI, AI-assisted engineering & agentic development workflows
• 🔐 Interested in privacy-focused and local-first software
• 🌌 Astronomy & astrophotography enthusiast
• 🧑‍💻 Active in developer communities and open-source projects

📫 Email: sbiswas001.tech@gmail.com

Privacy-focused personal finance platform for Android

RupeeStream is a local-first personal finance application designed around privacy, reliability and intelligent financial insights.

Tech Stack

Kotlin Jetpack Compose Material 3 Room WorkManager DataStore Firebase

Highlights

• 📊 Financial dashboard, analytics, budgets, goals & reports
• 🧠 Personalized Financial Health Engine
• 💰 Safe-to-Spend Engine
• 🔮 Transaction prediction & merchant normalization
• 🔄 Recurring transaction management
• 🏦 Multiple accounts, payment instruments & UPI apps
• 🔐 PBKDF2 + AES-GCM encrypted App Lock
• 👆 Biometric authentication
• 🛡️ Privacy / shoulder-surfing protection
• ☁️ Encrypted Google Drive backups
• 📱 Jetpack Glance home-screen widgets
• 🔔 Smart notifications and critical update delivery
• 📴 Local-first architecture with privacy as a core principle

Free remains the core. RupeeStream+ provides optional personalization features through a one-time lifetime purchase.

Full-stack technology & competitive programming platform

Built and maintained as part of the technology ecosystem for ByteMonk, the technical club at GCECT.

Tech Stack

React TypeScript Vite Node.js Express Firebase Judge0

Features

• 💻 Competitive programming arena
• 🧪 Multi-language code execution
• 🏆 Real-time contest leaderboards
• 🔐 Firebase authentication & role-based access
• 📡 Firestore & Realtime Database
• 🎪 Karmatek technology festival platform
• 🕵️ QR-based campus treasure hunt
• ☁️ Cloudinary media management
• ⚙️ GitHub Actions CI/CD
• 🛠️ Administrative tooling

Open-source collaborative portfolio platform

A beginner-friendly project designed to help students build their first open-source contributions.

• 📂 Individual portfolio structure for contributors
• 🤖 Automatic contributor listing
• 🧩 No backend required
• 🌱 Hacktoberfest-friendly contribution workflow
• 👥 Designed for students entering open source

100+ forks · 40+ stars

Jetpack Compose Material 3 Room WorkManager DataStore Coroutines

I'm increasingly interested in how AI can change the way software is designed and built.

Current areas of exploration include:

• 🧠 On-device AI and small language models
• 📱 AI-powered Android applications
• 🤝 Agent-assisted software development
• 🏗️ AI-assisted architecture and implementation
• 🔍 Automated testing and debugging
• ⚡ AI-driven development workflows

President · 2025–26

Led a 14-member core team and helped execute 42 technical, competitive and community events throughout the academic year.

Technical Head · 2025–26
Advisor · 2026–Present

Contributed to technical workshops, developer events and student-focused technology initiatives.

Lead · 2025–26

Worked on astronomy outreach, observational sessions and astrophotography initiatives.

2023–Present

Outside software, I'm fascinated by astronomy and astrophotography.

My experience includes:

• 🔭 12-inch Dobsonian telescope
• 📷 Deep-sky & planetary imaging
• 🛰️ N.I.N.A. & ASTAP plate solving
• 🧪 DeepSkyStacker
• 🪐 AutoStakkert
• 🌌 Registax

I also worked as first author on a study exploring a short-exposure imaging workflow for the Orion Nebula (M42) using a non-motorized 12-inch Dobsonian telescope.

Build useful things. Learn continuously. Stay curious.