SQL Developer for API & Batch Processing

I'm seeking an experienced SQL Developer with proficiency in Python or C++. This role involves creating an API key login system with basic features to my batch written software. The database system in use is MySQL, but if you want to change it we can talk over it.

Your tasks will include:

- Developing a secure API key login system
- Conducting batch processing in MySQL environment

Ideal candidates will have:

- Proficiency in Python or C++
- Deep understanding of MySQL
- Experience with creating basic API key login systems
- Strong background in SQL development
- Good knowledge in batch

Please place your bid with examples of similar work done in the past.