Need to copy a landing page along with backend admin and client panel

I am looking for a smart PHP developer for long term partnership. This project have two phases: First phase: We need to copy a landing page, develop a backend admin panel and client panel using provided API (exactly like given example sites with little modifications). The current bidding will be for this phase. Second Phase: Copy multiple landing pages over a period of time, and integrate it with the client/admin panel. I would prefer to give this job to same developer who will do phase one of this project. It will be long term and regular jobs. Project details of First phase: We need to copy a landing page with custom modification on signup form, develop a backend admin panel and client panel using provided API (exactly like example sites given with little modifications). The process flow of the system: 1. User provide name and email id on the first page of landing page and click submit. 2. After submit, it redirect to second page, where they need to provide more info like password, phone numbers and click submit again. Phone number validation gets done in background using API, and if phone number invalid it display error. 3. After submit and OK, the data get saved in the database and user redirect to client's panel. In background, it also create an account of user in a trading broker platform using API. All API details will be provided along with sample code. 4. The client panel have Fake DEMO trading to give user a feel of auto trading software. Please refer example site for more detail on how it works. 5. The client panel have buttons which is linked to broker's platform using API. When clicked, it redirect to user's account on its broker platform where they can deposit payment. Admin panel: This project is to be built such that we can integrate multiple landing pages which can be managed from single admin panel. We should be able to see complete details of leads and sales by selecting date range with line graph. Each landing pages have its own logo, so we should able to setup custom logo with each client panel linked to its landing pages. Note: 1. I have example site to show how it works and I want to copy exactly same functions/looks with little modification. 2. The bidders should have good experience with PHP/JavaScript. 3. I may need support after completion of project. 4. This is not a onetime project, we need to add multiple landing pages time to time, so looking for long term developer which will charge me reasonable fee. 5. The whole system should be fast enough to support high traffic and do NOT get slow down during high traffic load. 6. Absolutely no bugs or low quality work will be accepted. More details like example sites and technical info will be provided to the interested bidder. Please bid only if you have experienced in doing similar project. Thanks