Data Processing & Visualization Software Developer

I'm in need of a proficient software developer who can create a robust data processing and visualization program. This software will primarily process data from Excel files, making use of Excel for the data processing.

Ideal skills for this project include:
- Proficiency in Python, Java, and C++
- Previous experience in data processing and visualization
- Expertise in Excel, and ideally familiar with Plotly or Chart.js

Key Responsibilities:
- Develop a program that can effectively process data from Excel files
- Implement data visualization features that can be easily understood and interacted with
- Ensure the program is user-friendly and efficient

The selected developer should be able to provide a clear timeline and communicate effectively throughout the project. A portfolio or previous projects related to data visualization would be a big plus. Looking forward to working with a professional who can deliver high-quality work.