React.js Developer Needed - Revenue & Expense Analytics Dashboard Management

We are looking for a skilled React.js developer to manage and enhance our existing analytics dashboard that processes revenue and expense data for mobile applications.

Project Overview:
- Dashboard processes CSV revenue files and Excel expense files
- Combines data to gen
erate comprehensive reports
- Uses React.js with Material UI for frontend
- Handles multiple file formats and data transformations

Technical Requirements:
1. Strong experience with:
  - React.js
  - Material UI (MUI)
  - Excel/CSV file processing (XLSX.js, Papa Parse)
  - JavaScript/ES6+
  - Git version control

2. Must be able to:
  - Understand existing codebase
  - Debug data processing issues
  - Add new features
  - Optimize performance
  - Handle file validations
  - Maintain clean code standards

Key Features to Manage:
- File upload system
- Data parsing logic
- Country code mapping
- Report generation
- Filtering & sorting
- Error handling

Project Structure:
- /components: React components for UI
- /config: File parsing configurations
- /models: Data models
- /constants: Mapping constants

Expected Deliverables:
1. Code maintenance
2. Bug fixes
3. Feature enhancements
4. Documentation updates
5. Performance optimization

Required Skills:
- 2+ years React.js experience
- Experience with file processing
- Strong problem-solving skills
- Good communication skills
- Ability to understand business requirements

Time Commitment:
- Part-time/Project-based
- Regular updates required
- Quick response to critical issues

Please share your:
1. Similar project experience
2. React.js portfolio
3. File processing experience
4. Availability
5. Preferred communication method