Block chain Smart Contract -- 2

I am looking for a blockchain developer who is experienced in Ethereum and can create a simple smart contract for data storage and authentication. The ideal candidate should have the following skills and experience:

- Strong understanding of Ethereum blockchain platform and its smart contract capabilities
- Proficiency in Solidity programming language
- Experience in developing and deploying smart contracts on the Ethereum network
- Knowledge of data storage and authentication protocols and best practices
- Ability to design and implement a secure and efficient data storage and authentication system using smart contracts
- Familiarity with blockchain security and cryptography
- Attention to detail and ability to write clean and well-documented code

If you have the skills and experience required for this project, please provide examples of your previous work and a timeline for completion.