Smart Contract token and NFT development

Needs to hire 2 Freelancers
We're looking to create a simple ERC-20 / ERC-721 token and use this token to mint 10.000 NFT. The token must follow OpeanSea metadata requirements.

We do know how to mint our NFT using one of many softwares out there, but need help creating our own token and smart contracts and mint NFT using our own tokens and SC.

Please let us know if this is somehting you can help us with.

Task #1 deliverables
• Please explain the steps you took to write the smart contract
• Please explain the steps you took to deploy the smart contract
• Please provide the source code for your smart contract
• Please share the public contract hash

General follow up questions
• Please share examples of smart contracts you have written. Github or transaction hash is sufficient.
• Please share your methodology and tools when testing smart contracts.
• Please share web3 dapps you have created. Web link or Github is sufficient.
• Please share your methodology when upgrading existing smart contracts.