Saurabh DantaniFull Stack Developer

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Full StackOCR & Versioning

Document Management System

Secure document storage and collaboration platform with version control, access permissions, full-text search, document tagging, audit trails, and team workspaces. Supports PDF, DOCX, and image formats. Built with clean modular architecture, rigorous automated testing, and comprehensive logging. Designed from the ground up for high reliability, security, and lightning-fast user interactions.

Document Management System - Full Stack Architecture & Implementation

The Challenge

Legal and financial firms struggled to organize, search, and version thousands of scanned paper documents and PDF contracts.

The Solution

Developed intelligent document portal featuring optical character recognition (OCR), full-text search, version history, and role-based access.

The Impact

Instant semantic search across 50,000+ digitized documents with automated tagging and audit logging.

Technologies & Tools

React.jsNode.jsExpress.jsMongoDBAWS S3ElasticsearchJWT

Key Engineering Challenges

1Extracting text from low-quality scans and skewed mobile photos accurately

2Managing multi-version document trees with visual side-by-side diffing

3Ensuring strict tenant data isolation and end-to-end encryption on AWS S3

4Designing performant full-text indexing across massive multi-page PDF archives

Results & Measurable Outcomes

Reduced contract lookup time from 15 minutes to under 2 seconds

Digitized over 100,000 physical documents with 98% OCR accuracy

Eliminated document duplication and accidental overwrite incidents

Met enterprise compliance standards for legal document retention

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I build high-scale web platforms, AI voice automation systems, App Store mobile applications, and resilient data extraction pipelines.

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