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Android app for square reader

Hello!

This is the case. I´m been delegated by a well-known lecturer in internet security, to purchase this custom made Android application. She holds regular lectures on this subject, and wants to try something new. She will be speaking about credit card skimming for 30 minutes before a break. During the break, I will be pretending to sell beverages outside the hall. That´s when I need the application. It needs to look like a payment app, and work together with a square reader https://www.amazon.com/3-PACK-Square-Card-Readers/dp/B00EEM01OA/ref=sr_1_3?crid=G2P0LQMXWXQY&keywords=square+reader&qid=1561412099&s=gateway&sprefix=square+reader%2Caps%2C228&sr=8-3 The app looks like a payment app, but it doesn´t work like one. Instead, it saves the information from the three tracks of the credit card, as well as the PIN code. When I have collected the information, I will clone every card from the audience that have made a bogus purchase, and then go back into the hotel and use the clones to make a purchase for the same small amount. When the lecture starts, she´s going to ask everybody that purchased a drink, to check their account balance, if a small amount has been reserved by the hotel. This will awake the crowd if anything. We have checked with a law firm, and as long as we make the purchase at the hotel for the same or lower value than the original purchase (the drink), we don´t break any laws in my country. So now I have to search for someone to help us build an application.

This is how the app needs to work. First, it needs to look like one of the existing payment apps. When I open it, I need to be able to edit an amount, and choose currency (kr, nok, dollar, euro, pound). Also tax %. I should be able to save this in settings, so that I don’t have to type it in every single time. Then it comes to the bogus purchase. When I swipe the magnetic stripe of the card in the square reader, the app saves the information of all three tracks from the stripe (everything needed to clone the card). This information could also be stored on a webpage. When a card has been swiped, the app shows “enter PIN”, and shows a big screen of digits and a enter button (just like the real ones). It then saves the PIN code. When I have pressed a four digit PIN and press enter, the app waits 3 seconds (maybe it says something like “connecting to bank), and then shows a message “PIN code accepted (Regardless of whatever four digit combination that has been tapped (since the app is not connected to the bank, it doesn´t know the correct one).

All the information from the card (all the information from the magnetic stripe and the PIN code), needs to be automatically uploaded to a secure website that you set up for me. From that website, I need to be able to use my phone and a square reader, to clone the cards on blank ones, and use them for purchases.

The app itself needs to include some kind of password, which an admin account that can administrate it. It also needs to have the ability to sort the information for different users. For example, I will be admin. If I give ten square readers along with the app to ten different people, I need to be able to see which person has withdrawn which card numbers. So if I log in as admin, I will see that person 2 has made 17 sales, person 5 74 sales etc. I also need to be able to change password whenever I want, to close people off if I need to.

Taidot: Android, Mobile App Development, Java, Mobiilisovellusten testaus

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Tietoa työnantajasta:
( 0 arvostelua ) Solna, Sweden

Projektin tunnus: #20196214

Myönnetty käyttäjälle:

metasolve8

Dear Prospect Hiring Manager. Thank you for giving me a chance to bid on your project. i am a serious bidder here and i have already worked on a similar project before and can deliver as u have mentioned "I can do Lisää

$155 USD 3 päivässä
(0 Arvostelua)
0.0

18 freelanceria on tarjonnut keskimäärin %project_bid_stats_avg_sub_26% %project_currencyDetails_sign_sub_27% tähän työhön

ominfowave

Dear Sir, We have been working than a decade in mobile and web platform and delivered many projects of our client. Our experts will surely satisfy you and give you a high quality project. Kindly let's discuss and fina Lisää

$250 USD 9 päivässä
(233 arvostelua)
8.1
Gates777

Hello!!! How are you today? I am very interested in your project. I have read your project description correctly. I have developed many mobile android and ios apps for 6 years by now.. I would like to work with you for Lisää

$140 USD 7 päivässä
(189 arvostelua)
7.6
ksd711

Hello, Hope you are doing well :) Please check my Freelancer profile for my proficiency and expertness https://www.freelancer.com/u/ksd711 Please check some of my apps on different platforms and types I have done : Lisää

$1500 USD 20 päivässä
(72 arvostelua)
7.2
valor312

Dear I developed several excellent educational app, you can google "autismind". [login to view URL] I am a senior Android/iOS developer withn 8+ years experience. I am skillful on Android app development and Lisää

$140 USD 7 päivässä
(97 arvostelua)
6.3
xudongwang97

Dear sir I have read requirements of your project with great care and I am very interested. I think that I am the right person for the job. I am a Android and Web(PHP, Javascript) Backend Expert and have full experien Lisää

$140 USD 7 päivässä
(13 arvostelua)
6.0
fivestar10

Dear Client! I am very happy to see your project detail. I think it is just my project. :) As you can see in my profile, (my review: https://www.freelancer.com/u/fivestar10?w=f) I have much experience with your job. I Lisää

$140 USD 7 päivässä
(23 arvostelua)
5.5
malviya201

Hello, I will develop the app, please send me a message so we can discuss more. I am a skilled and experienced Mobile Application Developer having 4+ years of experience in developing various Apps for Android mobile Lisää

$225 USD 7 päivässä
(6 arvostelua)
5.2
mobileappsites

Greetings! have Gone through your requirement that you need mobile application with given features. We will provide all the things which you required in your project. IPlease check the previous Developed Application Lisää

$140 USD 7 päivässä
(6 arvostelua)
6.1
Jinzin

Dear Sir Nice to meet you. I am interesting in your project. I can build your project perfectly with my experience. I am full time developer and my goal was always delivery perfectly results on time I will do my best Lisää

$150 USD 10 päivässä
(12 arvostelua)
5.0
amolyadav04

Hello Sir/Mam, We have done the similar project like this. We will give you quality work on your budget and time. Skill: Android,IOS,PHP,Website development,Unity,Codeigniter,Wordpress,Web Design,Logo Design,Xamarin Ap Lisää

$250 USD 45 päivässä
(23 arvostelua)
4.7
millerorathana

I'm last 8 years android compatibility tester with your requirement based experience. Now I'm work paypal reader *Smart Phone + Tab + iPhone + iPad + iPod totally 150+ phone available* I'm available long term relat Lisää

$622 USD 25 päivässä
(3 arvostelua)
3.7
rajgodara134

i am an android developer having 3 years of experience.. i have developed 70+ mobile apps . i can create same app as your requirements are. please reply me if you want high quality app.

$200 USD 7 päivässä
(10 arvostelua)
3.7
EliteMobile330

Hi,Sir Nice to meet you. I have just read your post and I'm very interesting now. I have many experience in this field and thus your job likes to be very easy for me. Contact me for an enjoyable and reliable developm Lisää

$100 USD 7 päivässä
(5 arvostelua)
3.5
aykutcanturkmen

Hi sir, I have read your description carefully. As a full stack developer with 10+ years experience, i have expertise in Web and Mobile development. With the expertise i want to help good and esteemed clients. Please g Lisää

$140 USD 7 päivässä
(2 arvostelua)
1.3
TechnoDerivation

============== hotel booking ===================== Hi Our Developing Team still working on this project ... Confidently we will fulfill your all requirements within your comfort zone.. we have done a lot of projects Lisää

$140 USD 7 päivässä
(0 arvostelua)
0.0
hohtechlabsbd

Hi, Yes, I can help you with your project. I have all the experience and expertise which you are looking for. I can provide you with quality assured work at a really very affordable rate. Will you please send me a me Lisää

$210 USD 7 päivässä
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0.0
zorioninfotech

hi dear sir/mam after reviewing your job requirement carefully We Are100% sure that i can help u to achieve your goal in your time frame with over all 5+year hand of experience in java,php,android,laravel,bootstrap,cod Lisää

$140 USD 7 päivässä
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0.0