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Build Java backend Server for a Mobile App

1) When Mobile app is connected to the server, the connection keeps open and from end can communicate with back end using protobuf or other socket technology.

2) Registed user (Admin) will be able to create a portfolio, the portfolio contains a list of stocks.

Once user created a portfolio, user should be able to click the portfolio and see the historical return. The historical return is just sum of return of each stock in the portfolio. The other type of registed user (Normal user) is able to see the sum of return of all portfolios created by Admins.

3) When user creates a portfolio, the user is able to set the name of the portfolio and to add one or several stocks from the stock list.

Preferred Technology: Java 8+, Google protobuf, MS SQL, Redis for Cache.

Kĩ năng: Java, Kiến trúc phần mềm, MySQL, Socket IO

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Về Bên Thuê:
( 0 nhận xét ) New York, United States

ID dự án: #22766196

19 freelancer đang chào giá trung bình $454 cho công việc này


Hi, I have gone through the brief details mentioned on the job. I have done multiple jobs with Java, MySQL, Socket IO, Software Architecture which are the skills required to get this job done. Lets start the chat so we Thêm

$750 USD trong 7 ngày
(71 Nhận xét)

Hi Sir, I have huge experience in back-end development in Java/J2EE and Spring Boot, Hibernate/JPA using MySQL and PostgreSQL database. I am expert in web socket based communication and what you mentioned the task i wi Thêm

$570 USD trong 7 ngày
(46 Nhận xét)

❤️Hi.❤️ Thanks for sharing your java backend requirement here at Freelancer and I will be more than happy to help you. Let me share with you my expertise with java. I can start your project immediately and let me kno Thêm

$500 USD trong 10 ngày
(6 Nhận xét)

Hello, i'm interested in your project. Please send me a message so that we can discuss more. I prefer to submit my detailed proposal after our discussion. Note: + We are flexible with changes. + [login to view URL] Thêm

$250 USD trong 7 ngày
(17 Nhận xét)

Hello, i am expert in app development I am a Mobile expert with strong Android ,iPhone/iPad experience and App admin / website with development web services where admin can manage the app from back-end. I have develop Thêm

$310 USD trong 7 ngày
(3 Nhận xét)

Hi there, I am JAVA developer, Strong experience in software development environments for High Availability:- J2EE platform, Microservices and API development. Demonstrated experience using software Frameworks, Techn Thêm

$500 USD trong 7 ngày
(16 Nhận xét)

Hello, sir. Nice to meet you I am a java developer and have many experience of developing java backend I think this project can be made by Spring and Hibernate framework and use JPA, Hibernate and REST apis Thanks and Thêm

$500 USD trong 7 ngày
(3 Nhận xét)

Hi, When we can talk please schedule a time? I will work till satisfaction of you and do work more perfectly and clearly. Please have a check Website designing and development work work below [login to view URL] Thêm

$500 USD trong 7 ngày
(1 Nhận xét)

Hello , I Will develop your app for android and ios both. I have full stack developers team so i want this [login to view URL] send me a message for more details. I have seen your requirement and I will do this in less time. Thêm

$250 USD trong 6 ngày
(5 Nhận xét)

How are you? I'm very interested in your project. I'm an Android mobile app professional developer. I have 7+ years of experience in mobile app development. I have read your requirements carefully and deeply. If yo Thêm

$500 USD trong 4 ngày
(2 Nhận xét)

hi i read all requirement please share more detail i did 5 similar task i will provide 5 star rating work thanks

$500 USD trong 7 ngày
(3 Nhận xét)

WELCOME TO DESKTOP APP Service!. 100% Completed Job & Preferred Developer! Hi, I CAN COMPLETE YOUR PROJECT Perfectly!. I have enough experiences on JAVA & JAVAFX for over 15 years. I can design the architecture by your Thêm

$500 USD trong 7 ngày
(1 Nhận xét)

⭐⭐⭐ Hi ⭐⭐⭐ I've read your project carefully and I get your requirement fully. I have a lot of experiences with ✦ NATIVE ANDROID application with [login to view URL] ✦ and if you work with me you can save your time and money a Thêm

$300 USD trong 5 ngày
(2 Nhận xét)

Hi, Dear? I have just read your description in detail so I understood what you want fully. It is completely matched with my major skill. To be honestly, I was looking for clients like you. Now I am free so I can start Thêm

$250 USD trong 7 ngày
(1 Nhận xét)

Hello, Checking your requirements we found ourselves fit to proceed with this project. I have some queries . It would be really great if we can get connected here to understand requirement and clarify everything in mor Thêm

$500 USD trong 12 ngày
(2 Nhận xét)

i have gone through the project detail and could understand requirement is same as i have done in last project. Where i have created spring boot application to maintain history data using URLConnection socket programmi Thêm

$600 USD trong 10 ngày
(0 Nhận xét)

Hi Team, Following are my expertise details. Over 8 Years of experience in requirement analysis and development of Enterprise N-tier applications using JAVA technologies. Current Role : Project Lead Development(Leadi Thêm

$500 USD trong 7 ngày
(0 Nhận xét)

Hi there, I have 16 years experience in Java. I use test driven development with JUnit and Maven build/runner. I am sure I can help you out. Best, Pedro

$250 USD trong 7 ngày
(0 Nhận xét)

Team Lead Java. I work for international IT company. • 15+ years of Java programming • 10+ years of Database design and development • 10+ years of Web development Details could be provided if required.

$600 USD trong 7 ngày
(0 Nhận xét)