Sinchana T
Turning ideas into scalable web systems
New to Contra
Sinchana is ready for their next project!
Project Goal:
Designed and developed a full-stack, AI-powered e-waste management platform to promote responsible electronic waste disposal while enabling value recovery, recycling discovery, and convenient pickup services.
• Built RESTful backend APIs using FastAPI / Node.js for authentication, classification workflows, facility management, pickup scheduling, and marketplace operations
• Integrated an AI image classification model to categorize e-waste into recyclable, reusable, or hazardous types
• Implemented a facility locator with map integration to identify nearby certified recycling centers
• Developed a rule-based value estimation engine for resale and scrap pricing
• Created a slot-based pickup scheduling system with confirmation flow
• Integrated Razorpay payment gateway for secure online transactions
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Audio / Text to Indian Sign Language Converter
Built a web-based accessibility application that converts audio and text into Indian Sign Language (ISL) to help improve communication for people with hearing impairments.
The system uses the Web Speech API for speech-to-text conversion and applies NLP techniques to process and simplify text before mapping it to corresponding ISL gesture animations for clear visual output.
Tech stack: Django, JavaScript, HTML, CSS, NLTK
Focused on accessibility, inclusivity, and real-world usability.
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File Management & Sharing Web App
Built a web-based application to upload, organize, manage, and share files securely with folder support.
Key features:
• Upload multiple files at once to folders or root
• Create and delete folders dynamically
• Download and delete files easily
• Generate shareable links with expiration
• Copy share links instantly to clipboard
Cloud & backend:
Files stored securely in AWS S3
Metadata managed in MongoDB
Backend built with Node.js & Express
Frontend:
Responsive UI using React and Tailwind CSS
Designed for scalability, secure file handling, and smooth user experience.
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