Blockchain Jobs

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.

雇佣Blockchain Developers

筛选

我最近的搜索
筛选项:
预算
类型
技能
语言
    工作状态
    37 搜到的工作,价格货币为 HKD

    We are building the app for Cryptocurrency and other digital assets. We have a world-class team of data scientists, mathematicians, and quants aiming to bring crypto to the masses by demystifying the underlying data supporting the market. We are looking for full-stack devs who appreciate a challenge. Please, only experienced candidates apply as we are in search of the best

    $172 / hr (Avg Bid)
    $172 / hr 平均报价
    5 个竞标

    I'm looking for a team for a new ico real estate (blockchain development, marketing manager, website manager, advisor)

    $23477 (Avg Bid)
    $23477 平均报价
    23 个竞标
    medical-Blockchain- 6 天 left
    已验证

    I looking for someone that can block chain expert. He should know Blockchain well(IBM). I will discuss via chatting more detail. thank reguard....

    $5800 (Avg Bid)
    $5800 平均报价
    9 个竞标
    medical-Blockchain 6 天 left
    已验证

    I looking for someone that can block chain expert. He should know Blockchain well(IBM). I will discuss via chatting more detail. thank reguard....

    $408 (Avg Bid)
    $408 平均报价
    11 个竞标

    Im Srivardhan Reddy from india. I heard a lot about the technology called blockchain and i need a blockchain specialist to teach me.

    $62 / hr (Avg Bid)
    $62 / hr 平均报价
    3 个竞标

    I looking for someone that can block chain expert. Bid only expert. I will share the details with the short listed candidates. thank reguard....

    $3245 (Avg Bid)
    $3245 平均报价
    9 个竞标

    Hello - We need someone to compile our whitepaper. We have the general skeleton and key points and need someone to put it together in a polished manner. We just need you to create a word document because we already have the graphics and whitepaper template created. Please message with any questions or clarification needed.

    $1599 (Avg Bid)
    $1599 平均报价
    43 个竞标

    We need someone to design a clean and modern site UI. Freelancers with relevant experience are preferred. The project is related to the gaming sector but the site should maintain a professional and business style. The site should use WordPress. We will provide some initial designs but the freelancer should improve their design based on his/her skills and our recommendations from other website...

    $1644 (Avg Bid)
    $1644 平均报价
    33 个竞标

    We're an innovative blockchain company looking for a Lead Developer with Project/Product Management experience to lead our development team, and interact between the Business/Marketing Division and the dev team. We have an existing beta version of our product. We need starting a further development. A product is a Google Chrome Extension, so you must have extensive experience in JS/NodeJS de...

    $319 / hr (Avg Bid)
    $319 / hr 平均报价
    19 个竞标

    We need a Golang/blockchain developer who has extensively worked on fintech projects . Experience working with micro services, Experience working with databases . Send me your work recent project's done in Golang only .

    $16288 (Avg Bid)
    $16288 平均报价
    11 个竞标

    I looking for someone that can block chain expert. Bid only expert.(except new freelancer)

    $1403 (Avg Bid)
    $1403 平均报价
    6 个竞标

    I looking for someone that can block chain expert. Bid only expert.(except new freelancer)

    $4303 (Avg Bid)
    $4303 平均报价
    11 个竞标

    HI, freelancers. I am looking for an blockchain developer Project Scope: 1. Configuration Private Network based PoA on AWS 2. fixing a bug here is link [登录来查看链接] Thanks.

    $165 / hr (Avg Bid)
    $165 / hr 平均报价
    13 个竞标

    HI, freelancers. I am looking for an blockchain developer Project Scope: 1. Configuration Private Network based PoA on AWS 2. fixing a bug here is link [登录来查看链接] Thanks.

    $165 / hr (Avg Bid)
    $165 / hr 平均报价
    26 个竞标

    I need a a block chain development professional of about 3 years experience. Please send your resume (Removed by Freelancer.com Admin) Note- minimum 2-3 years of experience.

    $148 / hr (Avg Bid)
    $148 / hr 平均报价
    6 个竞标

    There is a set of testers of the new cryptocurrency cashbаck service We are recruiting people who should try out our new service, Cryptokeshbek. All beta test participants will receive $ 500 in Bitcоins for the test. If you have accounts on Blockchain, Binance, EXMO, Huobi, Coinbase. We invite you to cooperate. Our main tasks are to check the stability of the service, and if possible identify bu...

    $3919 (Avg Bid)
    $3919 平均报价
    5 个竞标
    Online 3D Game on Blockchain 4 天 left
    已验证

    I am looking for someone who has experience with online 3D games or 3D worlds and ideally also with the Ethereum blockchain.

    $62479 (Avg Bid)
    $62479 平均报价
    54 个竞标

    Describe the steps needed to build a Blockchain voting system.

    $102 / hr (Avg Bid)
    $102 / hr 平均报价
    13 个竞标

    we required BTC seller for project who have experience in this and can easily manage everything.

    $392 / hr (Avg Bid)
    $392 / hr 平均报价
    3 个竞标

    I have a requirement for an experienced Blochchain architect to review the concept and : 1. Advise on Go/No-Go decision 2. Provide feedback/improvements 2. Clarify the technology stack needed (so that a further development project can be started) 3. Design the architecture of an app and processes with "security" at the forefront and identity verification/management (must be of excepti...

    $2245 (Avg Bid)
    $2245 平均报价
    11 个竞标

    A set of new beta testers comes to a new cryptocurrency exchange, everyone can participate in the absolute, even without experience. All beta participants will receive $ 500 in their balance for trading bitcoins. For each error we find, we pay 500 dollars.

    $2054 (Avg Bid)
    $2054 平均报价
    7 个竞标

    We need to test the operation of the ERC20 (CRYPTOCASHBACK) CSSBACK token. We invite specialists on working with smart contracts on the ethereum and blockchain networks. 1. It is necessary to conduct an audit. 2. Check the network stability. (make several transactions with our tokens within the ERC20 network. 3. Identify network vulnerabilities, if any. For more information send your applications ...

    $4342 (Avg Bid)
    $4342 平均报价
    12 个竞标

    We are a building blockchain based applications for customers across different industries, we have already built in commercial and non profit applications. We want to build the following: We have an application to create with: - about 25 screens - responsive - backend functionality such as login, database inputs from users - blockchain registration of hashed data, we plan to use Ethereum. -...

    $124303 (Avg Bid)
    $124303 平均报价
    82 个竞标

    I need you to write a research article on banking system,, online banks And compare it with blockchain

    $1077 (Avg Bid)
    $1077 平均报价
    32 个竞标

    Hey! I am looking for someone who can teach blockchain app development. Mainly app development on ethereum platform & on hyperledger. You should be available 2-3 hours a day to teach.

    $260 / hr (Avg Bid)
    $260 / hr 平均报价
    3 个竞标

    i need to split my smart-contract (because it's too heavy for the gas limit), deploy in ropsten to test it, change the contract set in the interfaces that i have to test it, deploy it in main net and set the correct contract in the interfaces.

    $1283 (Avg Bid)
    $1283 平均报价
    2 个竞标

    i need to split my smart-contract (because it's too heavy for the gas limit), deploy in ropsten to test it, change the contract set in the interfaces that i have to test it, deploy it in main net and set the correct contract in the interfaces.

    $1523 (Avg Bid)
    $1523 平均报价
    2 个竞标

    We are a software company that leverages the power of blockchain technology for supply chain traceability (so no crypto stuff). We want a very futuristic website that has more focus on the technology (we will build a different one for the companies who will use our software that is more simple). This will be our technical website where we also put our API documentation etc.; We are currently activ...

    $2242 (Avg Bid)
    $2242
    6 项参赛作品

    I need someone who can install complete [登录来查看链接] on my AWS server. You must have to have past experience about installing exchange. Exchange Liquidity Referral Multi language HOT/Cold Wallet erc20

    $1873 (Avg Bid)
    $1873 平均报价
    12 个竞标

    Looking for long term developer team for the new project. 1. Liquidity 2. 5 crypto Market - BTC,ETH,LTC,USDS, XRP 3. 20 ERC20 coins to be listed 4. New dark and light UI design (binance basic) 5. Admin Panel must have the listing function and adding market pair function. 6. Referral function needs to add and there should be manage function like 30%,50%80% as per admin mind. My budget is 200$ now...

    $9665 (Avg Bid)
    $9665 平均报价
    21 个竞标

    Before we move on please show me a demo of your work - centralized exchange platforms! We are looking perfect cryptocurrency exchange which you developed before so we can buy and launch by tomorrow!

    $6749 (Avg Bid)
    $6749 平均报价
    13 个竞标
    Blockchain Content Writer 2 天 left
    已验证

    Must have Financial Domain Exp MUST HAVE WRITING EXP MUST HAVE TECHNICAL WRITING EXP MUST HAVE EXP WRITING ON BLOCKCHAIN, SECURITIZATION ETC TOPICS THIS IS LONG TERM ROLE PREFERRED FROM USA, CANADA OR INDIA

    $870 (Avg Bid)
    $870 平均报价
    11 个竞标
    Django Crypto wallet 1 天 left
    已验证

    Hello, I am creating a wallet website who will help people to manage their crypto , the website is almost done but I need some help with the "admin"panel. People can create organisation with some department inside it , inside the organisation they can create admin department who will manage their wallet. And I have a few problem with it.

    $1941 (Avg Bid)
    $1941 平均报价
    24 个竞标
    Stable coin 1 天 left
    已验证

    Build stable crypto coin. Don’t mind a clone code

    $157 (Avg Bid)
    $157 平均报价
    3 个竞标

    Hello we need someone to make hot a fix for our Erc 20 based Eth token. Requirements 1- Have experience on ERC 20 based tokens and can show reference. 2- Knows how to use Putty, Winscp 3- Can teach us how to find some general bugs and errors and their fixes.

    $149 / hr (Avg Bid)
    $149 / hr 平均报价
    15 个竞标

    Hi, I have a prototype in my mind that I want to test it through designing a system. If it works well, I want to add other functionalities by time. Thanks, Norris

    $157 / hr (Avg Bid)
    $157 / hr 平均报价
    16 个竞标
    security of contract 6 小时 left
    已验证

    [登录来查看链接] Hi, I want to have a security report form "Oyente". it should be done in 2-3 hours it is very simple because the contract in very simple. all u do is to follow the steps in the shared link. Max budget is 10 USD

    $94 (Avg Bid)
    $94 平均报价
    5 个竞标

    精选Blockchain社区文章