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block chain development

$250-750 USD

Cancelado
Publicado há quase 5 anos

$250-750 USD

Pago na entrega
need to hire a block chain developer to assist us on a project. we are building a website with many functionalities however we need to develop some apis that require knowledge in blockchain. Please note that if you get awarded this project expect to be occupied with us till the end of 2019
ID do Projeto: 19717323

Sobre o projeto

29 propostas
Projeto remoto
Ativo há 5 anos

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29 freelancers estão ofertando em média $580 USD for esse trabalho
Avatar do Usuário
Hi, Client I can say that I'm Expert in blockchain/cryptocurrency parts. I have already experienced in building dapps. I have rich experience in these fields. 1) I can build smart contract, tokens(ERC20, ERC223, ERC721..) and new coins with own blockchain. (POW/POS/Masternodes) 2) I can provide building wallets, block explorer, mining pools, ico websites 3) I can provide an integrating coin and tokens with your project. 4) I can build exchange platforms and trading bots 5) I can build cryptocurrency games (betting, gambling…) .... I'm an honest and hard worker. so that you can get good results soon. look forward to working with you for a long time. Thanks! From Expert()
$555 USD em 10 dias
4,9 (82 avaliações)
7,8
7,8
Avatar do Usuário
Hello there I have read you project detail, you need PHP development with cakephp for your on going ERP system, I am a professional website developer and good designer. I have rich experiences for Website Design, CakePHP, PHP, HTML, CSS, Javascript etc ... I assure, I will do my best to work with you on your project to present the best possible outcome for you and your customers. I will also do my best to correct any area of work. Regards Harpreet Singh
$500 USD em 7 dias
4,9 (297 avaliações)
7,7
7,7
Avatar do Usuário
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 have studied bockchain for long time and have a lot of practice experience. I have used bitcoin, litecoin, etherium etc and made exchange site and wallet app. Also I have experienced about IPVX and ICO. I mastered theory of blockchain and designed blockchain by using several program language. C++,java, javascript, swift, PHP,mongoDB, Mysql,node js etc. Perfectly I can do it. Thank you for your time.
$500 USD em 7 dias
4,8 (171 avaliações)
7,9
7,9
Avatar do Usuário
Nice project. I have full experience on blockchain, smart contract and bitcoin . I think it is very suitable for me. I want to discuss more on here. Regards//
$500 USD em 7 dias
4,9 (49 avaliações)
7,1
7,1
Avatar do Usuário
Hi, sir. I have looked carefully at your commentary. In my view, I think I am the right person for your project. Previously I had developed Block-Chain project. I would like to have a more specific discussion on the project.
$555 USD em 10 dias
4,9 (151 avaliações)
7,1
7,1
Avatar do Usuário
Hi, I read your project requirement carefully and I understand your project but I want to ask few questions before mover further so that I can deliver you exact work with one shoot. I always deliver quality with one shoot and you can check my profile and I had 7 year experience and I had 154 successful projects on freelancer. Please come over chat for further detailed discussion to start working on it. Thanks
$1.500 USD em 30 dias
4,6 (130 avaliações)
6,8
6,8
Avatar do Usuário
Hi there, Please see a similar blockchain/cryptocurrency API gateway awarded and completed by me here in Freelancer: https://www.freelancer.com/projects/javascript/build-api-proof-concept/ Senior specialist full-stack and microservices architect/developer here with over 20 years of experience, including over two years as a multi-blockchain/multi-cryptocurrency DApps/smart contract developer. I am an individual/independent freelancer. I am also an API gateway developer utilizing industry best practices and standards such as microservices architecture with Docker and Kubernetes, API-first development and API documentation with Swagger/OpenAPI, API security with JWT and OpenID Connect, and rate limiting, among others. Aside from my profile ratings, please see my other blockchain/cryptocurrency projects awarded to me here in Freelancer: https://www.freelancer.com/projects/software-architecture/Requesting-Advice-from-Blockchain/ https://www.freelancer.com/projects/javascript/build-api-proof-concept/ https://www.freelancer.com/projects/html/Ethereum-blockchain-project/ https://www.freelancer.com/projects/software-architecture/Blockchain-Project/ Would love to discuss the project. Thank you.
$750 USD em 15 dias
4,9 (9 avaliações)
6,4
6,4
Avatar do Usuário
Good day,Dear! I'm the full stack developer. I understood all about your job. so there is no problem for me to complete your project with my skill. I can do work your job perfectly. Hope to work with you as soon as possible. Best regards
$500 USD em 7 dias
4,9 (65 avaliações)
5,9
5,9
Avatar do Usuário
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 have studied bockchain for long time and have a lot of practice experience. I have used bitcoin, litecoin, etherium etc and made exchange site and wallet app. Also I have experienced about IPVX and ICO. I mastered theory of blockchain and designed blockchain by using several program language. C++,java, javascript, swift, PHP,mongoDB, Mysql,node js etc. Perfectly I can do it. Thank you for your time.
$333 USD em 10 dias
5,0 (32 avaliações)
5,8
5,8
Avatar do Usuário
Hi. I read your description carefully and am very interesting in your project. I can start right now and can help you. If you hire me, I will do my best for your job and you can get the best results. Looking forward to hearing from you. Thanks.
$500 USD em 7 dias
4,9 (65 avaliações)
5,6
5,6
Avatar do Usuário
Hello I have expertise in blockchain development I can work with you on hourly basis Because fixed price is not suitable for this kind of projects. If you are fine with this let me know Thank You
$555 USD em 10 dias
5,0 (29 avaliações)
5,4
5,4
Avatar do Usuário
Hello , I am a cryptocurrency and blockchain developer with 5+ years of experience in blockchain , crypto-coin development , Ethereum, Bitcoin, smart contracts, ICO, STO Platform , ERC- tokens. I have successfully completed many projects for my customers from corporate, charity and public sectors all over the world.
$600 USD em 7 dias
5,0 (9 avaliações)
4,4
4,4
Avatar do Usuário
Hi, Greetings! We read your proposal and understood that we need to develop an API related to blockchain. We are expertise in blockchain development such as : - Blockchain Exchange Software - Private and Public Block Chain - Smart Contract - ICO - Hyperledger - Blockchain Consultant Backbone Technologies ------------------------- 1. MEAN Stack [Mongo DB, Express js, Angular, Node js] 2. Laravel 2. Solidity 3. Swift - IOS Development 4. Kotlin - Android Development Please reach us to discuss more in detail. Regards Gnanesh
$500 USD em 7 dias
5,0 (3 avaliações)
3,5
3,5
Avatar do Usuário
Hello Sir, We are developer of Land Transfer System Build For South Africa Government. We had Primarily Used IBM Hyper Ledger Fabric which is the most advanced Blockchain Technology Lead by IBM. Let Disccuss the Project In Chat Ty Anil Dollor
$555 USD em 10 dias
4,4 (10 avaliações)
3,2
3,2
Avatar do Usuário
Hi dear, I have 6+years of rich experience with several complex and easy projects alone or with a team, I liked your project details and already done and completed successfully with an UK clients offsite. Please share more details in my inbox. Having extensive experience IOS, Android, native and hybrid phone gap coding,cloud saas solutions, CMS and E commerce solutions for B2B and B2C with payment gateway integration. Also we can chat discuss about the cost and project proposal. Waiting for your reply asap.
$500 USD em 7 dias
0,0 (0 avaliações)
0,0
0,0
Avatar do Usuário
I have been into Bitcoin and Ethereum Wallet development for the last three years and have issued some token coins together with deploying online Wallet to use, written in Golang. Have called may exchange APIs, i.e. Coinbase, blockcypher, tokenbalance, etc.
$525 USD em 7 dias
0,0 (0 avaliações)
0,0
0,0

Sobre o cliente

Bandeira do(a) LEBANON
Sin El Fil, Lebanon
5,0
322
Método de pagamento verificado
Membro desde jan. 8, 2013

Verificação do Cliente

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