Ethereum ERC20 Smart Contract for ICO Token Sale

We are looking for someone to create a smart contract on Ethereum for our fundraising ICO so that we can raise funds for our project. We would also like help Integrating this into our website to show a visual of how much has been raised. We would like to setup the smart contract so that the coin supply is created based on the amount deposited and that any surplus coins are burned. Pre-ICO Price - XXX Coins Per 1 ETH Week #1 - 30% Bonus - XXXX Coins Per 1 ETH Week #2 - 15% Bonus - XXXX Coins Per 1 ETH Week #3 - 5% Bonus - XXXX Coins Per 1 ETH Week #4 - No Bonus - XXXX Coins Per 1 ETH Minimum 0.01 ETH contribution Pre-ICO will run for 1 week Main ICO will run for 30 days. 30% coin supply will be reserved by the team. Please do NOT respond with a generic response, I would like to work with someone who has created this type of contract before so I would like to see your previous work that relates to this project only. You must also be available to communicate via Skype.