Cancelled

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:
( 29 reviews ) Los Angeles, United States

Project ID: #21330646

15 freelancers are bidding on average $46 for this job

grishamarkov1188

Hello I'm good with app development(+ backend development) and often have to rewrite old dirty code. Not that I'm fan of this kind of work, but someone experienced enough needs to take existing code and make somethin More

$300 USD in 3 days
(21 Reviews)
6.3
sevenspan

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)
5.5
vishal1145

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
(13 Reviews)
5.2
romansokolv708

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
(14 Reviews)
4.6
matteus1118

Hello Sir. I have read your all descriptions carefully and had a great interest on your project. As a full stack developer I have much experience and high skills in React, Angular, Vue, Express, node. I also have rich More

$30 USD in 2 days
(4 Reviews)
4.5
goldenths

Dear, sir I'm a spirited coder with a broad spectrum of talents. I've spent half of my life coding in some capacity or another, but most of my focus and energy in the last 10 years has been on web development. I'm a More

$15 USD in 1 day
(8 Reviews)
4.2
vladimir91216

Hi I'm a big fan of react/react native. As you can see on my profile, I live and breathe with javascript and just after react is introduced I was super excited and spent full time on react/react native projects for y More

$20 USD in 7 days
(6 Reviews)
3.8
lesteraguilar

***EXPERT in Node.js/Express*** Dear Sir. Thank you for sharing the job details. As a senior developer, i have rich experience 7+years in all kinds of web application. especially what you want, In that sense I think I More

$20 USD in 7 days
(9 Reviews)
4.0
universe11125

Hi, how are you? I am a senior website app and mobile developer who has 7+years experience. I have great interest to your job as I have so many experiences in building large scaled web applications. As a highly skilled More

$20 USD in 7 days
(4 Reviews)
3.8
harshakns

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
(2 Reviews)
3.3
Vikasv8

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
(4 Reviews)
2.8
akki4395

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)
0.0
derekshe2

Hi, I have read your job post and I can develop the backend codes based on your requirements. As a full-stack developer with 4 years of experience, I am proficient in Node/ExpressJS. I can start to work right now and w More

$16 USD in 2 days
(0 Reviews)
0.0
linknishan

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)
0.0
nidhishbhavsar

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)
0.0