MERN Stack Developer for Logistics App -- 2

I'm seeking a skilled MERN Stack developer to update and enhance an existing logistics application. The primary focus is on resolving API authentication problems using OAuth in Node.js/Express. Additionally, the project includes UI improvements in React.js, MongoDB query optimization, and general bug fixing and testing. This is a remote position, and the project should be completed within 5–7 days.

Key Requirements:
- Address and resolve API authentication issues with OAuth in Node.js/Express
- Improve user interface using React.js
- Optimize MongoDB queries for better performance
- Conduct thorough bug fixing and testing

Ideal Skills and Experience:
- Proficiency in MERN Stack (MongoDB, Express, React.js, Node.js)
- Strong understanding of OAuth authentication
- Experience with API development and troubleshooting
- Ability to optimize database queries
- Excellent problem-solving skills and attention to detail

If you have the expertise to tackle these tasks efficiently and within the given timeframe, I look forward to your application.