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Metamask API intergration for users back end

15 威客就此工作平均出价 $497

mrinalbhuyan

Hi, I have read your project and got your requirement . I have done similar work lots of time. I have some questions regarding the project . Let me know if you have some time to discuss the details further . Ple 更多

$294 USD 在5天内
(131条评论)
7.2
BigCityInstitute

From cryptocurrency Expert! Hello, how are you! I can say that I'm Expert in cryptocurrency parts. I have rich experience in this fields. 1) I can build smart contract, tokens(ERC20, ERC223, ERC721..) and new coin 更多

$300 USD 在10天内
(40条评论)
7.1
Europa17

Hi I have experience in metamask integration and [login to view URL] Please take a look at my reviews. I will provide you perfect result Thanks

$111 USD 在10天内
(34条评论)
5.9
$177 USD 在10天内
(24条评论)
5.1
ksd711

Hi, I am having 7+years of experience in android application development. Also, expertise in Android Studio, Java, Web services API's, Back-end & graphic design. I am here waiting to discuss about your requirement in 更多

$100 USD 在5天内
(8条评论)
4.7
$111 USD 在10天内
(7条评论)
3.8
TakaAlex

Hello Have read your project description. Have done similar projects before. In fact I am very familiar with block Chain. Keeping Trust and High Quality is my way of life. You can rest assured that get a good deal 更多

$500 USD 在10天内
(5条评论)
3.5
Artem3294

Hi I have good experience in cryptocurrency exchange backend works. In my previous similar projects, I worked as backend lead developer using node(express) and Integrated several APIs. So, I am sure I can assist you 更多

$72 USD 在10天内
(10条评论)
2.7
bandiachorwadi

hi thank for your project I have more than 4+ years of experienced in crypto currencies and i m doing trading in most popular exchange and trading site like poloniex, yobit, livecoin, binance etc. I have must good exp 更多

$150 USD 在3天内
(5条评论)
2.4
Flitwebs

Greetings of the day!! Hope you are well. I have gone through your requirement. I have more than 2 years of experience in Blockchain and Crypto Development. I have already developed Trading Portal, Exchange, BTC Wal 更多

$400 USD 在10天内
(3条评论)
3.1
nitinpateluk

Please let me know when you would like to discuss in detail. Looking forward to work with you. Thanks Nitin

$83 USD 在3天内
(1条评论)
0.9
$277 USD 在2天内
(0条评论)
0.0
marc2weberp

Good Day! We at Marc2web have 7 years of experience and expertise and we specialize AWS, Blockchain(Ethereum or Bitcoin), Mobile and Web apps development. We would be glad to work with you. Please be informed we 更多

$4266 USD 在60天内
(0条评论)
0.0
techgurudev

I am new in freelancer.com but i have overall 3 years experience in blockchain. Please check my skill sets and portfolios. Skill set for Blockchain: ===================== Expert in full scale ICO Project handling 更多

$555 USD 在2天内
(0条评论)
0.0
kissgyorgy12

I have done metamask integration from the beginning when I started learning solidity, as it is needed to see if my test projects are working :) below there is a github link where are some of my codes including metamask 更多

$55 USD 在3天内
(0条评论)
0.0