looking for a backend developer - Node Express JS -- 2

please submit your bid for creating the following API using Node Express framework

- insert new records into tbl_payment for attempted transaction

- update record when transaction is successful

-- upon success, a record in tbl_user.coin_count is updated

-- ex. user has 10 coins, buys 30 coins for $3, upon success, user has 40 coins

-- back-end must capture all transaction details

- update record when transaction is failed

- update / insert record when refund was required and refund was given successfully

- this project is for back-end work only, if you complete this task successfully, you will have more tasks for other parts of the project

- you must use github to pull / commit / merge

- you are working with 2 other engineers on an existing project, you must understand how to collaborate with other engineers using github

- this system is built on mysql / node express frame / react native for front-end

- you will be focused on back-end work only initially

Skills: Backend Development, Express JS, Mobile App Development, MySQL, React Native

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About the Employer:
( 32 reviews ) Los Angeles, United States

Project ID: #21330646

8 freelancers are bidding on average $33 for this job


I am good developer with smart problem solving skills , and having more than 10 years of experience in developing web based large scale software application with different domains. I am having hands on experience in w More

$20 USD in 2 days
(17 Reviews)

Hello There, We have an Experience Team of developers who can work on below technologies. Frontend: HTML, CSS, JS/jQuery, Webpack, SASS/SCSS, LESS, VueJS, Pug/Jade, [login to view URL], NPM Backend: PHP, Laravel, NodeJS, Expres More

$30 USD in 3 days
(10 Reviews)

Dear client, How are you? You are looking for EXPRESS developer for make API. I am confident in your project from my expertise Node.js skill. I have strong knowledge and rich experiences in Node.js. I can start your pr More

$20 USD in 7 days
(15 Reviews)

Hi, Assuming the transaction done by the third party payment systems, do you have any code in the backend that tracks this. If yes, we can add an event listener or promisify the result. 1. updating the attempting tran More

$100 USD in 7 days
(3 Reviews)

Hello I've 4+ yrs of exp in web development. I'm MEAN & MERN stack developer. I can help you to make to project for you. Will discuss the price and estimated time after discussion. Thanks Vid V

$15 USD in 2 days
(5 Reviews)

Hello , Greetings! Thank you for posting the job. I have understood your requirements and would like to work with you. I would like to give some background details about my work in the area. I am Django and Python fu More

$30 USD in 7 days
(0 Reviews)

Hello, I have read your description. I can help you with your project. I'm used to working remotely so it would be great for me to collaborate and work for this project I'm a full-stack developer. I have experience i More

$30 USD in 4 days
(0 Reviews)

I understood your requirement and It seems strait forward to implement for experience developer. Appreciate your detailing. I have 6 years of experience in designing and developing back-end solution and have designed a More

$20 USD in 7 days
(0 Reviews)