Need a developer to work on ongoing react-native and java backend

Need a developer to work on the ongoing react-native app and java backend.

Majority of the work will be in the backend,

The backend is in Java (GRPC), MongoDB. As a developer, you'll need to implement, chat functionality in the app.

Previous experience with real-time messaging required.

Freelancer is required to solve a simple take-home test.

Given input numbers, (a, b) & (c,d) you can get two subsequent numbers from adding the former numbers with one another, i.e (a+b, b) or (a, a+b). And for each result, you can get a subsequent number in a similar fashion. You need to return boolean true or false, if (c,d) is present in such iteration or not.


input: (a=1, b=3) . (c=2,d=4)

output: false, there is no way to reach (2, 4) from adding a, b recursively in any way as stated above.

input: (a=1, b=3) (c=2, d =5)

output: true, since is possible to reach (1, 5) from adding a, b recursively in the way stated above.

Please provide solution coded in either javascript or java & upload it to your GitHub repo for review & provide accompanying readme stating how to run your program, please provide the link in your response. Thank you, happy to meet you :)

Beceriler: Java, Javascript, NoSQL Couch & Mongo, React Native

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İşveren Hakkında:
( 1 değerlendirme ) Jaipur, India

Proje NO: #18965992

Bu iş için 15 freelancer ortalamada ₹31800 teklif veriyor


Hi there, As per your requirement, have expert team of experience developer for web as mobile application like android, ios, react native having 5+ year experience. Please text me for more discussion. Here some of Daha Fazla

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Hi nice to meet u Firstly, Thanks for visitting my profile. With more than 10 year in java spring. So I can do it for you as best. Can we talk? Thanks you in me. backend: java spring frontend: react native for mobile.

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