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Blockchain is a distributed register that is used to maintain a continuously growing list of records, called blocks. It has revolutionary applications in finance (such as cryptocurrencies like Bitcoin) and decentralized applications like online voting. Contratar a Blockchain Developers

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    52 trabajados encontrados, precios en USD

    We are looking for a Software Engineer, familiar working with Blockchain (Ethereum) to take responsibility for developing cutting edge DApps. Requirements - Responsible for the development of new Blockchain based solutions as well as smart contracts (Ethereum). - Create tests to accompany produced code. - Write code with security and resiliency in mind. - Work in partnership with Web Serv...

    $4455 (Avg Bid)
    $4455 Oferta Promedio
    18 ofertas

    Hi! We are looking for a developer fluent in coding. You must be able to work independently and provide weekly/daily updates with how the project is going. We are looking for an expert who can can take direction and run with it. Here are the qualifications: Mobile programming (Android and IOS) Mastery of APIs Ability to read and understand documentation Experience with Blockchain IOS developer...

    $54 / hr (Avg Bid)
    $54 / hr Oferta Promedio
    34 ofertas

    I hired a programmer from a cryptocurrency forum. He did more than half the job then abandoned the project. This is what is complete so far: *Blockchain *qt wallet *block explorer What I need to complete project: *web wallet *linux wallet *tech info for white paper (as much detail as possible) *master node set up including all instructions I also need all passwords and access on digital ocean to...

    $1221 (Avg Bid)
    $1221 Oferta Promedio
    14 ofertas
    Issue erc20 tokens for a shirt 6 días left
    VERIFICADO

    We need someone who can advise us on issuing tokens with a shirt. We are thinking of doing limited edition on the shirts and would like to know if issuing tokens would be good to go along with this? Knowledge of programming or blockchain is a plus

    $186 (Avg Bid)
    $186 Oferta Promedio
    13 ofertas

    Create basic hyperledger blockchain on aws using template.

    $129 (Avg Bid)
    $129 Oferta Promedio
    5 ofertas

    It will be a project of this time, it will be a production incorporating the Smart Contract system. · HP (with application form) · Database construction ·Dashboard · Enhanced security · Smart Contract · Issuance of coins · Mobile wallet development I would like to issue new coins and make it possible to divert them. It is Ether base. It is in such ...

    $36 / hr (Avg Bid)
    $36 / hr Oferta Promedio
    22 ofertas

    I'm hiring a role for "Community Manager" to manage a crypto telegram group. I need ideal answers to a few assignment tasks to grow the community (not just limited to telegram) so I can compare to the answers given by the candidates. Tasks include setting the right metrics, KPI, best practice, strategies and expected result for certain timeframe. This is a simple one-off assignmen...

    $25 (Avg Bid)
    $25 Oferta Promedio
    1 ofertas
    x11 coin Master node and Wallet 5 días left
    VERIFICADO

    Dear Sir/Madam, We have Coin Name Pioneer Coin, [iniciar sesión para ver URL] We need Blockchain developer who can do moderation, we have following requirement for our project, 1: Master Nodes Master node reward should split to three i: 45% to Miners ii: 45% to that wallet who fixed 1000 COINs. iii: 10% to self development wallet 2: Wallet our members complaining ...

    $4126 (Avg Bid)
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    34 ofertas

    My name is Jonathan Byrne, and I work for a blockchain company Yetta. Yetta is a global monetary innovation that leverages over 4 years of blockchain research and development funded by the European Union. Built from the ground up, our unique blockchain package comprises of a third-generation blockchain, smart contracts virtual machine, and DAPP store, that vastly outperforms current industry leade...

    $66 (Avg Bid)
    $66 Oferta Promedio
    23 ofertas

    Ich suche einen Ethereum-Developer der Interesse an einer langfristiger Zusammenarbeit hat. Ziel der Partnerschaft ist der Aufbau eines Full-Service-Providers im Bereich ICO.

    $31 / hr (Avg Bid)
    $31 / hr Oferta Promedio
    7 ofertas
    Blockchain Miners 5 días left

    Miners validate new transactions and record them on the global ledger ( blockchain ) for a new cyptocurrency. International company with many other projects available for the successful. Fluent English is required.

    $16 / hr (Avg Bid)
    $16 / hr Oferta Promedio
    13 ofertas

    I have an exisiting "Small" Mining Farmand need help to optimise it. - What pool to be used - what Crypto Currency to be mine now and in the future - optimise and automise the Mining Farm

    $1222 (Avg Bid)
    $1222 Oferta Promedio
    19 ofertas
    redpacket weixin 4 días left

    need red packet services weixin

    $553 (Avg Bid)
    $553 Oferta Promedio
    15 ofertas

    SedCoin is a blockchain based start-up crowd leasing application platform. We need a simple and unique logo with high quality design. The logo should be represent 'Seductive', 'CryptoCurrency', 'Coin', etc. For your inspiration, we like Binance coin.

    $347 (Avg Bid)
    $347 Oferta Promedio
    82 ofertas
    Hyperledger Expert 4 días left
    VERIFICADO

    Hyperledger expert who has worked on the Hyperledger project. Someone with a business mind and interested in setting up business. Someone also needs to train me

    $206 (Avg Bid)
    $206 Oferta Promedio
    8 ofertas

    Greetings! we are seeking an experienced blockchain developer. Now we are on progress to make realistic 3d game and we need to integrate blockchain for its infrastructure. Do not hesitate to apply. Hope to hear from you soon.

    $8395 (Avg Bid)
    $8395 Oferta Promedio
    44 ofertas
    Blockchain Developer 4 días left
    VERIFICADO

    Blockchain developer to tokenize real estates , diamonds. Only bid if you have done this before. We will go indepth for discussion. Real good potential to work with us as we have secured funding.

    $1534 (Avg Bid)
    $1534 Oferta Promedio
    17 ofertas

    I need highly talented developers for my blockchain project. further details will be disclosed after the NDA contract.

    $53500 (Avg Bid)
    $53500 Oferta Promedio
    53 ofertas

    Hello I am looking to get my Ethereum Smart Contract to get Audited from Some Blockchain Security Expert

    $2260 (Avg Bid)
    $2260 Oferta Promedio
    21 ofertas

    Hello everybody, I'm working on the implementation of Blockchains. I am looking for people interested in this type of projects, which can provide testing, and other cooperations. Thanks

    $13 (Avg Bid)
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    6 ofertas
    $2700 Oferta Promedio
    5 ofertas

    Strengthscape is looking for a freelance presenter for a Webinar in the above mentioned field, with a minimum experience of 8 years.

    $151 (Avg Bid)
    $151 Oferta Promedio
    1 ofertas
    Solidity/Ethereum Developer Role 4 días left
    VERIFICADO

    This project involves producing a small system to run contracts in a batch setting. Key skills are - 1. Solidity, programming, Remix testing 2. Ethereum, public network, etherscan, metamask, myetherwallet 3. Ubuntu 16.04 4. backend language - eg node.js The role requires that a program is signed offline and then broadcast. Therefore a batch program can control the processing.

    $22 / hr (Avg Bid)
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    33 ofertas

    Main goals: to invent the simplest technical solutions for business problems; writing a technical task and setting tasks for developers (solidity, javascript, html, css); code review, control of developers and ensuring the implementation of development plans in a timely manner; participation in the writing of documentation; hiring developers (forming requirements for candidates and conducting int...

    $39 / hr (Avg Bid)
    $39 / hr Oferta Promedio
    13 ofertas
    Bustabit/Ethercrash Replica 4 días left
    VERIFICADO

    I have a private bustabit source similar to [iniciar sesión para ver URL] Looking for a developer to turn it into a website that runs on dogecoin and not bitcoin. Would be great if we can talk over discord/skype

    $810 (Avg Bid)
    $810 Oferta Promedio
    25 ofertas

    I need a custom Bustabit betting script created with a very simple strategy.

    $128 (Avg Bid)
    $128 Oferta Promedio
    15 ofertas
    Document Blockchain smart contract 4 días left
    VERIFICADO

    The project has to be a simple blockchain file share smart contract. Files will be downloaded only by determined users and all the users will be able to know, who has access the files and when and if the file has been changed. Also, the files have to be encrypted. Ethereum blockchain or other opensource software can be used for the project. As much code used from opensource solutions it will be be...

    $1629 (Avg Bid)
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    34 ofertas
    Blockchain.com developer 3 días left
    VERIFICADO

    Add bitcoin payment gateway to my ecommerce website. A blockchain developer.

    $480 (Avg Bid)
    $480 Oferta Promedio
    9 ofertas

    I need a cryptocurrency wallet app which will support exchange of my token for BTC and ETH

    $8708 (Avg Bid)
    $8708 Oferta Promedio
    60 ofertas
    Cryptocurrency Exchange Offer 3 días left
    VERIFICADO

    I'm looking a team to work on the cryptocurrency decentralize exchange which is already developed. Its almost listed on coinmarketcap! We need to collect some fund for exchange then we can run smoothly! If you have an interest in running own business private me.

    $2775 (Avg Bid)
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    26 ofertas

    Seeking a professional Mathematik Blockchain programmer that can create a HFT Algorithm Bot to trade in CryptoCurrency markets on all exchanges. The BOT I wish to have established is to minipulate CryptoCurrency Held in different exchanges. Ex: putting buy or sell orders in within milliseconds and re taking them for a profit before avaerage traders get the chance. This procedure can be performed o...

    $39 / hr (Avg Bid)
    $39 / hr Oferta Promedio
    30 ofertas
    RubyKube Expert 2 días left

    I have a private blockchain, forked from Ethereum, with our own tokens, smart contracts, wallets etc. Now I would like to launch our own exchange, including our own tokens, as well as traditional cryptoassets (btc, eth, ltc, etc) with different currency pairs. I'm looking for an expert in RubyKube to help us build and deploy a crypto exchange based on RubyKube / Peatio on AWS.

    $22 / hr (Avg Bid)
    $22 / hr Oferta Promedio
    20 ofertas

    Need a blockchain and ICO content writer that is qualified in some famous forums and social networking site As I have mentioned, proof of work before is a must, people with experienced profile and other social links needed Inbox me when you BID, I will remove those who bid but never inbox.

    $354 (Avg Bid)
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    5 ofertas

    Looking for someone who can use the API i have created and list my coin to an exchange. I have already created the coin which is masternodes based and someone who has experience in similar field will be preferable.

    $209 (Avg Bid)
    $209 Oferta Promedio
    8 ofertas

    I need to build a blockchain wallet something like Metamask or the Ethereum wallet

    $787 (Avg Bid)
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    31 ofertas
    cryptoexchange 2 días left

    Hello i want to built up my own crypto exchange

    $2302 (Avg Bid)
    $2302 Oferta Promedio
    42 ofertas

    I have a crowd-sale smart contract & ERC-20 token already setup and working. We need a investor and admin dashboard/panel, integrated into our Wordpress website.

    $775 (Avg Bid)
    $775 Oferta Promedio
    42 ofertas

    Need someone who is knowledgeable and can support project long term. Must have knowledge of the use of Github available open source in wallet swap mechanism in new wallet.

    $7118 (Avg Bid)
    $7118 Oferta Promedio
    80 ofertas

    block chain solidity ethereum programming assistance expected

    $307 (Avg Bid)
    $307 Oferta Promedio
    8 ofertas

    I have a number of project which is related in Hypereldger composer. The chaincode (smart contract) must be developed by business logic. If you are interesting, please bid now.

    $2573 (Avg Bid)
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    38 ofertas

    I need an expert to work on that

    $206 (Avg Bid)
    $206 Oferta Promedio
    9 ofertas

    I am looking for experienced blockchain developer who understand wallet API to add coins on my exchange. I am looking to add up to 20 top coins by coin market cap. Only apply if you understand wallet API and how to integrate wallet on exchange.

    $714 (Avg Bid)
    $714 Oferta Promedio
    30 ofertas
    fork dash coin and (rename) 11 horas left
    VERIFICADO

    I am looking blockchain developer! I'm new in this sector but, I want to make my own coin (POS) need someone who can frok dash coin and complete the project. Comment below what we need to make same as a dash pos system! step by step that way I can increase fund! you can make price each section and submit I'll review carefully!!

    $1625 (Avg Bid)
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    40 ofertas

    Dear Freelancers. I have created my cryptocurrency based on Dash And I want to upgrade it as follows - Upgrade from PoW to PoW/PoS - Implement SegWit, Replay Protection, Unique Address Format, Zero Knowledge Proof, Lightning Network feature. Please bid if you are experienced altcoin developer. If you can do this job and understand my requirement 100% please start your proposal with Five dots. Plea...

    $391 (Avg Bid)
    $391 Oferta Promedio
    7 ofertas

    Looking to hire skilled developers to create a new cryptocurrency exchange in node.js / angular. Needed individuals with a demonstrable portfolio previous node.js and angular projects - preferably in financial services. Expect to be asked to demonstrate your coding skills to the project manager. We expect applications from real full stack developers with a range of front-end and back-end technolog...

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    $32 / hr Oferta Promedio
    50 ofertas

    We have developed a Smart Contract & want to get it Audited & also need some security advice regarding the whole ICO process

    $169 (Avg Bid)
    $169 Oferta Promedio
    4 ofertas
    Coin Exchange Website 8 horas left
    VERIFICADO

    We would like to build a website that based on cryptocurrency buying/selling. It will be very similiar website design on a great platform. If you are famililar blockchain tech and design please apply our project.

    $1995 (Avg Bid)
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    49 ofertas

    Je recherche dans le cadre de mon entreprise un avocat capable de me fournir des solutions juridiques pour créer des ICO tout en optimisant la structure. Je suis diplomé en droit mais je recherche quelqu'un avec de l’expérience minimum 5 ans. Nous pouvons discuter des détails plus tard. Pas de réponse automatique

    $51 / hr (Avg Bid)
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    6 ofertas

    I am expecting projects on Artificial Intelligence ( Machine learning ) , Big Data and Blockchain technologies. Please let me know whether you are expert in this area and able to complete the projects with in the time frame. Also need to sign a disclosure agreement due to company confidential. Please send your projects and achievement one or more than one areas.

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    43 ofertas

    I need a website like crypto kitties, including the pet's design you can check this website first: [iniciar sesión para ver URL] I was uploaded a development doc, is some about the website

    $2447 (Avg Bid)
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    67 ofertas