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W9 Tax Form
Processing Platform

A full-stack tax form processing system enabling electronic W9 form submission, TIN verification, and secure document management.

Overview

This platform is a comprehensive tax form processing system designed to digitize the W9 form filing process. The system handles electronic form submission, real-time TIN verification through IRS APIs, secure document storage, and user account management. Built with modern web technologies, it features robust security measures, responsive design, and scalable architecture to handle high-volume tax document processing.

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Electronic Form Processing

Dynamic form generation with real-time validation, auto-fill capabilities, and seamless electronic submission workflows.

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TIN Verification System

Integrated TIN validation service with credit-based usage tracking and real-time verification against tax databases.

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Document Management

Secure cloud storage with encryption, version control, and instant access to filed forms with audit trails.

Role & Responsibilities

Full-Stack Developer

Tax Form Processing System • Secure Document Platform

Key Responsibilities

  • Architected and developed a complete tax form processing platform with secure file handling and user authentication
  • Implemented TIN verification service with API integration and credit-based usage tracking system
  • Built responsive frontend with dynamic form generation and real-time validation capabilities
  • Designed secure document storage system with encryption and access control mechanisms

Focus Areas

  • Secure API development for sensitive tax data handling and compliance
  • Real-time form validation with error handling and user feedback systems
  • Database design for document versioning and user account management
  • Payment integration for subscription-based service model with usage tracking

Platform Features

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User & Subscription Management

Account Dashboard
Monitor user accounts, subscription status, and usage analytics.
Credit Allocation System
Manage TIN verification credits across different subscription tiers with automated assignment.
Document Access Control
Secure document sharing with permission-based access.
Usage Analytics
Track form submissions, TIN verifications, and system performance metrics.
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Security & Compliance

Data Encryption
Industry-standard 256-bit encryption for all stored documents and sensitive user data.
Email Delivery
Upon Successful submission email notification & delivery of slip.
Session Management
Secure authentication with JWT tokens and automatic session timeout policies.
API Rate Limiting
Configurable rate limits for TIN verification services to prevent abuse.

Customer Experience

Intuitive user experience optimized for target user base with accessibility confirmation.

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Smart Form Processing

Dynamic W9 form generation with auto-validation and error prevention

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User Account System

Secure registration with document history and subscription management

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Flexible Billing

Multiple subscription tiers with usage-based credit system

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Responsive Design

Mobile-optimized interface with cross-platform compatibility

Key Metrics

100%
Electronic Processing
256-bit
Data Encryption
3
Subscription Tiers
5-100
TIN Credits Range
24/7
Document Access
Form Storage

Project Challenges & Solutions

Overcoming complex challenges through innovative technical solutions and robust architecture design.

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Security & Compliance

Sensitive Tax Data Handling
Implemented end-to-end encryption with secure key management and compliance with tax data regulations.
TIN Verification Integration
Built robust API layer with retry mechanisms and error handling for external tax service integration.
Document Security
Designed secure file storage with access controls, encryption at rest, and audit logging.

Performance & Scalability

High-Volume Form Processing
Optimized database queries and implemented caching strategies for efficient document handling.
Real-time Validation
Built client-side validation with server-side verification to ensure data integrity and user experience.
Subscription Management
Developed flexible billing system with automated credit allocation and usage tracking.

Tech Stack

Frontend

React.jsTypeScriptTailwind CSSReact Hook FormAxiosReact QueryPDF.js

Backend & Database

Node.jsExpress.jsMongoDBJWT AuthenticationMulterbcryptJoi Validation

Services & Tools

Stripe APIAWS S3IRS TIN Verification APISendGridCloudflare

Testing

JestReact Testing LibrarySupertestMongoDB Memory Server

📬 Let's Connect

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Project Tags

Full Stack Tax Platform Document Management Security TypeScript Node.js MongoDB React.js Stripe API AWS S3 JWT Auth PDF Processing API Integration Tailwind CSS