We are looking for a developer with whom we can work for a long time to fix bugs and add new features to the payment application developed with Kotlin and Java on the Android POS device. Must reside in Istanbul Turkey. Work will be done in the office due to the POS device and its dependencies. We are interested in applications from Senior developers who meet these conditions.

Work will be done via Android POS device. That’s why special SDKs are used. Android version 7.1 is special edition. Improvements will be made in accordance with this version. Expertise is required in the project in areas such as API integration, screen designs, function add-ons and parallel programming.

Within the scope of the project, improvements to the existing Android application will be made. What is expected from you since it is a POS device
– Analysis of the current application and making code-based edits, if any
– Establishing the application’s remote log management system
– Developing a protocol for using POS Functions via RS-232 Communication protocol
– Developing a protocol for using POS Functions over TCP/IP
– Fixing errors of MQTT communication protocol
– Development of payment add-on with Meal Cards
– Wallet payment integration with QR
– Addition of new screens and features

Requirements
– NDA will be signed at the beginning of the project.
– Development, Testing and Production will be acted upon according to the software development cycle
– After the developments are made, problems in the tests belong to the developer

As a working principle, we will make monthly payments and the functions that need to be completed within the month will be determined in advance. If the necessary developments are not completed within the month, no additional payment will be made for the additional time.

I am waiting for your applications.

Budget: $2,000

Posted On: January 20, 2024 12:47 UTC
Category: Mobile App Development
Skills:API Integration, Java, Kotlin, Android App Development, Android, Payment Processing, POS Terminal

Country: Turkey

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