Crowdfunding Platform - Paypal Preapproval API


Need a HOTSHOT programmer who can develop this system in 2 weeks time. Programming language can be in your preferred language.

We need the backend for a Crowdfunding Platform set up for our website -

Basic Overview

Bidding Period is over 7 Days

Users can bid any price they want (min $5) on the project over the course of those 7 Days

Users data submitted on our website (Name, Email, and Bid Amount) are put into a database (AWS or other Cloud Based Database) and sorted by highest bid.

Users bid is processed through Paypal API for Preapproval Payments (this can be done on the Paypal site)

After 7 Days, the top 100,000 Bids (in Price of bid) will be processed through Paypal. The remaining bids not in the top 100,000 wont be.

Automatic Emails -

System also needs to take data from the database (Name, Bid Price, and Ranking) and send automated emails with that information in it. System needs to be set up to handle up to 500,000 emails to be sent per day. Recommendations for this service should be provided by you, the developer.

Very detailed guide on what exactly we are looking for will be provided to the potential candidates.

Potential Candidates Should Be Experienced in ->

Paypal API

Database Functions

Recalling Database Information

Email Autoresponders

Please contact quickly if you are interested in this project and let us know your Database, Paypal API experience and Language Preference.

Skills: Javascript, MySQL, PayPal API, PHP, Software Architecture

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Project ID: #4995325

20 freelancers are bidding on average $32/hour for this job


Warm Greetings We have mentioned a place holder bid to initiate a discussion . We estimate it to be atleast 10-12 weeks job Look forward to hearing from you soon Thankyou Sam ============== About ESolz: More

$38 CAD / hour
(253 Reviews)

Hi, Hope you having heights of wealth and wisdom. We deeply analyze and consider all the specifications of client’s initial requirement provided and according to it our team works over the detailed proposal to de More

$25 CAD / hour
(236 Reviews)

Only one who already developed a crodfunding platform can do this project in 2 weeks and i have done that so Kindly accept my bid for your crowdfunding website project and be assured of a high quality work with our hig More

$51 CAD / hour
(93 Reviews)

Hello..! We have done similar concept Crowd Funding Platform with beautiful and unique designs and also have great experience in integrating Paypal API. Please check the links below: More

$40 CAD / hour
(88 Reviews)

Hello, I have reviewed your project requirement and found it to be one of the challenging project we would like to work on.I would like to connect with you over private message or other medium to discuss about the More

$25 CAD / hour
(117 Reviews)

Greetings, This is Kris from DreamzTech Solutions. To get an idea of the quality of our work you can check the below link : About Your Project ==================== More

$25 CAD / hour
(75 Reviews)

i am interested to work on this project . AS you can see my job completion rate is 95% so I can assure perfection on the job and will provide you update in a timely manner

$31 CAD / hour
(182 Reviews)

Hi, hope you are doing well. We have read your requirements but would like to discuss things further. We have 5 PHP, Javascript, MySQL, Paypal experts in our company and have strong hands in PHP and have completed o More

$25 CAD / hour
(22 Reviews)

Thanks for inviting us to bid on this project. We have a team of highly qualified and creative professionals. We have gone through the provided details and have prior knowledge and expertise in developing large applica More

$25 CAD / hour
(78 Reviews)

hi i am very much interested ...............................................................................................

$36 CAD / hour
(101 Reviews)

Hello, I am a professional programmer for web programming with php language to build the system website, Besides, I also expert in MySQL , HTML,HTML5,CSS, JS I have expert development with script PHP, paypal API, pa More

$30 CAD / hour
(94 Reviews)

Hello, we already developed crowd funding website/script. see latest installations we did: More

$41 CAD / hour
(31 Reviews)

Dear Sir, Greetings! We are WeExcel Technologies Pvt. Ltd with 10 years of experience under our belt. We are really interested to work on your project. Please check links given below, this will fulfill your require More

$27 CAD / hour
(9 Reviews)

Dear Buyer We have checked your requirements and we are team of dedicated developers and are expert in php, .net, html, wordpress, javascript, Joomla.we are ready to start with you on this ongoing project, you can v More

$39 CAD / hour
(12 Reviews)

Hi.. We have some queries..We need some clarifications..Can we chat ?.. We are a team of 77 people with 4 years of experience.We are very good in mobile application development and web designing.We have created More

$30 CAD / hour
(5 Reviews)

I have 10+ years of web experience from design to development. I've worked with some of the largest organisations in the world to sole traders, helping them with their web presence. Some of my most recent works are:- t More

$50 CAD / hour
(8 Reviews)

Lets start right away...................................................................................................................

$26 CAD / hour
(12 Reviews)

Hello, We welcome you to join hands with us as we think we are capable enough to start this project and we give you surety of answering all your queries.We are waiting to discuss in detail about the project so that More

$41 CAD / hour
(3 Reviews)

Hi, I would like to take this opportunity to introduce Maplesoftwares, a software development company. We have been developing & maintaining software for many companies including multinational corporations, for More

$25 CAD / hour
(1 Review)

HI, listen, some people bid with $144 or $555 which is default in system and totally a fake estimate and they increase amount after you knock them lol .....Before hiring someone, check completion rate from profile www More

$30 CAD / hour
(3 Reviews)