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Service App Fetch API firebase Print Epson POS Printer

*Only last bid* Please only apply if you have experience with POS Printing application development.

Currently we have a web app and we are using the Free Android App Rawbt to connect with POS printer.

But this solution is slow.

Please develop an android app to fetch the available receipt format from firestore firebase and then send a print command (print, cut) to the POS printer for print.

Printer SDK: Epson Modell TM-T20iii


1. User sign into web app and navigate to order history

2. User Click print receipt

3. A preview print screen opens and user can change printer

4. User click printer again

5. Bill printed (and full/partial cut bill if needed)


1. User sign in to web app and navigate to order history

2. User Click print receipt

3. Bill printed (and full/partial cut bill if needed)

End product should have 2 modules:


1. Find printer device.

[login to view URL] Printer + get support print type.

3. Send command by print type.

4. Send keep alive connection paired with printer.


1. Init background service when user accepted.

2. Connect and keep alive with printer device.

3. Connect to firebase service.

4. Identifies the print device on the system for threading print jobs(to step 4).

5. Init threading listen to the change of the print command.

6. Execute the print command when there is a command in the change in step 4.

7. Update jobs state when completed or error or other cases.

Thank you for taking your time

Compétences : Mobile App Development, Android, Impression, API, Google Firebase

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Concernant l'employeur :
( 0 commentaires ) Berlin, Germany

Nº du projet : #31551962

Décerné à:


Hi, I have 6+ years of experience in application development. I have created desktop, web and service apps. I can build this android app. I don't have this printer so would need some remote access to test.

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10 freelances font une offre moyenne de 546 € pour ce travail


Hi, I saw that you need help with Mobile App Development, Google Firebase, Print, API and Android. I have 9 years of experience working on these frameworks. I believe I can help you with it. I would request you to have Plus

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Hi! I am an expert Swift coder with skills including API, Google Firebase, Android, Mobile App Development and Print. I have a youtube channel where I solve technical questions asked by major tech companies such as Mic Plus

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Hi there! I’ve carefully checked your requirements and really interested in this project of Service App Fetch API firebase Print Epson POS Printer . I am a top freelancer and I will do it in a professional way. I have Plus

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Hi We are a mobile APP developer (frontend & backend) and consultant with more than 8 years of experience and ready to Build Service App Fetch API firebase Print Epson POS Printer Please share more details. Kind Plus

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Hi there, I can develop your app. Message me for more details about the project Looking forward for your response. Thank you

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Hi. I am an expert programmer with 8+ years experience in API, Google Firebase, Mobile App Development, Print and Android. An experienced developer, able to learn and adapt quickly to new technologies. I've read the jo Plus

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Hi, I have worked on complex android application before and I can help you implement your app with the requirements you asked in no time.

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