Whitehat hacker React.js/Ethers.js app

I am looking for a skilled whitehat hacker React.js/Ethers.js app for my existing business. The app is a web version only and has the ability to interact with an existing blockchain.

Key Requirements:
- Strong experience with React.js and Ethers.js
- Knowledge of whitehat hacking techniques
- Understanding of blockchain technology and its integration with web applications

Ideal Skills and Experience:
- Proficiency in React.js and Ethers.js
- Previous experience in developing web applications for businesses
- Familiarity with whitehat hacking methodologies and security best practices
- Understanding of blockchain technology and smart contracts

If you have the necessary skills and experience, please submit your proposal detailing your relevant projects and expertise.