OTP program -- 2

I am looking for a freelancer who can develop an OTP program using Java, Python, or C++.

Requirements and Functionalities:
- The program should have the ability to generate and validate one-time passwords.
- If the client has any specific requirements or functionalities, they will provide them during the project.
- Otherwise, they are open to suggestions for additional features.
- The priority level of security for the OTP program is not specified.

Ideal Skills and Experience:
- Proficiency in Java, Python, or C++ programming languages.
- Experience in developing and implementing OTP programs.
- Knowledge of secure coding practices and encryption algorithms.
- Strong problem-solving and debugging skills.

Please provide examples of previous OTP program projects or relevant experience when applying for this project.