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Develop software for a Castles V5 terminal for NFC tap to pay use case

I have software that is able to debit and to credit values to NFC Mifare classic 1k tags. The software is also able to generate reports for the transactions.

However, the apps work offline meaning data loss is possible if anything happens to the device.

I need to enhance the existing software to allow it to write to a MicroSD on the terminal and to broadcast the transactions to an online server via WiFi or GSM Sim card.

スキル: ソフトウェアアーキテクチャ, C プログラミング, PHP, Java, Android

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採用者について:
( 0件のレビュー ) Nairobi, Kenya

プロジェクトID: #20775172

9人のフリーランサーが、このジョブに平均$556で入札しています

jatindhoot

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$750 USD 7日以内
(240件のレビュー)
9.3
softtouchsystem

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$750 USD 7日以内
(26件のレビュー)
6.9
pujaroy22

Hello, Greetings from India I have just read your details about the project and according to my understanding we are capable of doing this job in the given deadline. We are very professional with our work and can provi もっと

$500 USD 7日以内
(13件のレビュー)
4.7
iPHTechnologies

Hi Sir, I hope you are doing well I am Shashi and I am anexpert in mobile app development having 8+ years experience in mobile app development having developed both react native ,native, hybrid apps applicable on bot もっと

$500 USD 7日以内
(2件のレビュー)
4.2
aliqntech

Hi Hope you're doing well. I have gone through your project requirements and would like to bid for it. My team at ALIQAN Technologies has built lean as well as complex custom projects for several projects both nation もっと

$500 USD 7日以内
(0件のレビュー)
0.0
webharsh

Hi, We are a team of 20+ professionals working as different teams under development of WordPress, Magento, Joomla, PHP. We are 3 year + exp in Web design and development services. Our website packages start from $300 もっと

$750 USD 20日以内
(0件のレビュー)
0.0
idealdesginers

We develop all types of websites and android application in one platform. We are Developers, Not Broker or Agents. 1. WEB HOSTING 2. DOMAIN REGISTRATION 3. WEBSITE DESIGNING & DEVELOPMENT 4. E-COMMERCE WEBSITE DES もっと

$500 USD 7日以内
(レビュー1件)
0.0
BrancoSoft

Hi There, I am writing in response to your post for "Develop software for a Castles V5 terminal for NFC tap to pay use case."After carefully reviewing the description I feel that I am a suitable match for the job. I もっと

$500 USD 35日以内
(0件のレビュー)
0.0
cupidhenry

Hi I've understand your requirement correctly and thought to enhance the software you want. I think its software is using sqlite as db, so it doesn't matter storing the data to MicroSD and broadcasting the transactions もっと

$250 USD 5日以内
(0件のレビュー)
0.0