Ditutup

Backend & DB for cryptoexchange with payment gateway

A good portion of the project is already completed. Our budget is 200€-400€ and the project deadline is exactly no later than 26th of May. More information about the project is in the .pdf file. Our priorities are security then convenience and finally, optimization.

This project is about creating the backend infrastructure (preferably with NodeJS and MySQL) for a cryptoexchange that involves both fiat and crypto currency. Additionally, a payment gateway (Paypal, ERC20, Bitcoin) will need to be implemented as well. As previously stated, part of the work is already complete: a good chunk of the database is structured, an algorithm for finding optimal exchanges is written, and some very basic web3js manipulation is present. For those interested, I recommend reading the .pdf file. We have intentionally made parts of the documentation ambiguous to hide important project characteristics. However, we will share the information with those interested in partaking in the project.

Kemahiran: Ethereum, MySQL, node.js, API PayPal, PHP

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Tentang Majikan:
( 1 ulasan ) Osijek, Croatia

ID Projek: #19290099

22 pekerja bebas membida secara purata €378 untuk pekerjaan ini

sapotacorp

Bok branimir1999, If you want then we can have a 1-1 discussion on FL chat. kindly let us know. Our latest Node projects are: [login to view URL], [login to view URL], gnetentertainment.com. Best regards, Michael

€400 EUR dalam 6 hari
(782 Ulasan)
8.6
JinDongZhe

For your win business. Hello sir .nice to meet you. I have just read your project and supported your good idea. I am senior developer that you are looking for somebody. I am interesting about your description. I Lagi

€333 EUR dalam 10 hari
(58 Ulasan)
7.1
shiningdevelopor

CRYPTO EXPERT. CRYPTO EXPERT. CRYPTO EXPERT. CRYPTO EXPERT. CRYPTO EXPERT. CRYPTO EXPERT. CRYPTO EXPERT.

€1000 EUR dalam 10 hari
(85 Ulasan)
6.8
kipdev13

Hi, sir I read your requirement carefully. I can support you well. I have great skills in website developing . I am sure I can complete your project! If we have chat, then we can be sure for each other. Let's sta Lagi

€200 EUR dalam 4 hari
(61 Ulasan)
6.4
seemasit

Hi there, I've gone through the post description carefully and ready to start work on this project. Requirements are very clear but please come over the chat so that i can get more requirements if remaining. I am Lagi

€333 EUR dalam 10 hari
(62 Ulasan)
6.9
KGeorgy

Hi, Thanks for your job posting. I've read your project description carefully. You are going to build backend & DB for cryptoexchange with payment gateway. As a senior web developer, I have rich experience in this k Lagi

€300 EUR dalam 10 hari
(41 Ulasan)
6.1
rwebexe

I can help you to setup or modify e-commerce site for your products, and also make customizations as per your needs And i will add several payment methods for your customer if you have specific in mind than lmk i wil Lagi

€406 EUR dalam 10 hari
(38 Ulasan)
6.2
alexwmsoft

Hi there, I am an experienced website developer, and I have 6 years experience in developing websites using HTML, CSS and PHP and several frameworks such as Wordpress, ASP.NET, Laravel, Codigniter, django and so on Lagi

€333 EUR dalam 10 hari
(19 Ulasan)
5.9
javedaasim

We built dynamic, pretty, professional websites for over 10+ years, and listened closely to our clients. They wanted solutions, they needed more customers, but many thought a website would do it. When what they really Lagi

€500 EUR dalam 10 hari
(29 Ulasan)
5.5
artiboria

Hi, Thank you so much for the nice work opportunity. I am a Website and Mobile Application developer and having more than 12 years of experience in the industry. I do work on following technologies... Android Appli Lagi

€335 EUR dalam 5 hari
(52 Ulasan)
5.5
Topman123

Hello sir, nice to meet you, I have just read your project. I am interesting about your project. I have top skill of blockchain and have experienced for long time. . I have been creating high quality and excellent Lagi

€333 EUR dalam 10 hari
(18 Ulasan)
5.3
avto35217

Hi,sir, I'm sure that I can be a excellent candidate for your project. Please contact me, so that we can discuss more over chat. I value my credits from clients. Thank you for your reading. I have worked for a long ti Lagi

€333 EUR dalam 2 hari
(11 Ulasan)
4.1
RushService

Feel fee to contact me forBackend & DB for cryptoexchange with payment gateway .Shoot me message to discuss further more details .We provide the comments,images,videos,demos and live sessions in order to help the Lagi

€250 EUR dalam 3 hari
(9 Ulasan)
4.1
ChewGekKhim

Dear Client! I've just read your job description carefully. I am very interested in this job and I think that I am suitable to this job. As a Blockchain expert, I have a lot of experience in blockchain/cryptoc Lagi

€500 EUR dalam 7 hari
(2 Ulasan)
4.2
shenji108

Nice to meet you. I have RICH EXPERIENCE and GOOD SKILLS for your project. I have learnt a graphic design course and I have a good sense of website and graphics design. I am a senior Full-Stack Web Developer. M Lagi

€333 EUR dalam 10 hari
(3 Ulasan)
3.2
ben0724

Hello. I am very interested in your job post about currency exchange. Le'ts discuss more detail in chat. Best Regards.

€333 EUR dalam 10 hari
(2 Ulasan)
2.4
jinyin1117

Hello I am Henry. My account is closed because of my fault. I tried to create cooperate account, and there's something wrong. I asked freelancer development team to open my account and they will open after 7 days. Lagi

€333 EUR dalam 10 hari
(2 Ulasan)
1.6
maektwain

Already experience on working exchange s based on fiat pairs as well ETH smart contracts pairs. let me know if you wish to close it quickly

€444 EUR dalam 5 hari
(2 Ulasan)
1.4
mobileappsites

Greetings, We are colonist services providers from India for Cryptocurrency development, Crypto exchanges,Crypto wallets, Mining platform apps, Exchange platforms and other types of Blockchain based development.  Lagi

€333 EUR dalam 10 hari
(1 Ulasan)
1.2
ShahabazAli

Good Day,, Looking forward for more details about project. Backend & DB for cryptoexchange wll be done error free and payment gateway is a regular routine lets disscuss and start the project Thank You

€333 EUR dalam 10 hari
(1 Ulasan)
0.4