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. Hire Blockchain Developers

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    74 jobs found, pricing in USD

    We are looking for longterm contracts with freelancers who will submit articles for a news media related to cryptocurrencies, blockchain, altcoins. In order to be considered for the project you need to submit sample of your work related to the topic and not general articles. Please don't submit an offer when you are not familiar with cryptocurrencies

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    I need remote assistance if you believe you can solve the following Blockchain web wallet. Trying to send BTC using block chain and cannot send out. How you solve Blockchain error × Close Validation Error: Error #-26: 258: txn-mempool-conflict?

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    solve a task 5 days left
    VERIFIED

    solve a question related to blockchain in java language

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    Blockchain Platform 5 days left
    VERIFIED

    Blockchain financial platform. ONLY BLOCKCHAIN PROGRAMMERS. Time is of the essence. We want to develop a Blockchain platform which allows the user tu performer Crytpocurrency transactions. Buying and selling them. The thing is we want to eliminate some transactions fees that are really not needed.

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    Looking for someone to build a custom Smart Contract.

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    We need a new Ethereum token created for token distribution and ico.

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    Looking for some one who can write my own currency using smart contract.

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    we are creating Ethereum token based on ERC 20 standard. Looking to write a whitepaper for ICO.

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    We need someone to write ICO smart contracts. We have developers who will integrate the the ICO smart contracts. So the only job for you is to create and publish the smart contracts.

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    We are a digital asset management & development agency, partnering up with key people in emerging markets to create the next leading content digital brands. For a new project in the Cryptocurrency field, we are looking for talented content writers who are passionate about cryptocurrencies, blockchain and everything that is around. We are looking for 2-4 writers that will work with us on a daily basis. You will cooperate as a team to develop and execute a well-researched content publishing strategy. An excellent opportunity to join a successful team and take part in shaping the future of the industry. Requirements: Ideation, research, creation, and distribution of high-level cryptocurrency content. Develop an editorial calendar and content plan, maintain its schedule and see it through to final production. Publish content and ensure proofed, clean, accurate information, on an ongoing basis. Please bid your hourly rate, we will start with a pilot doing the following: 1 High-Quality, Well researched content piece Suggest 3 Cryptocurrency Content Headlines/Topics Ideas Create an example content plan for 1 week

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    We have several upcoming blockchain projects and we need very good developers that are able to provide top quality service. VERY IMPORTANT: you MUST have a portfolio or better a presentation with projects on blockchain!

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    Hi, I need to buld a website with this services: 1. To be a Cryptowallet - Like Xapo 2. Have the capability to work like cryptocurrency exchange - Like Poloniex

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    I have got an idea for an experimental DAPP project that is applicable here. I am looking for a coder who understands the Blockchain so we can build this decentralized application. I think if well achieved could be potentially good product.

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    Need an Ethereum smart contract developer to create a few simple smart contracts for a prototype. International applicants welcome. Experience desired although will consider candidates who can show good knowledge.

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    Graft is a global, open-sourced, blockchain-based, decentralized payment gateway and processing platform that anyone can use. Any buyer and merchant can use Graft in a completely decentralized and inexpensive way. Graft ecosystem is open so anyone can participate by maintaining Graft blockchain and implementing network services. Graft employs payment processing protocols and flows similar to traditional electronic payment systems such as credit, debit, and prepaid cards, which are already familiar to and trusted by millions of users and merchants around the world. This approach enables easier and faster adoption of Graft as a mainstream payment platform, while eliminating the need in centralized intermediaries (payment gateways and processors) currently required to facilitate transactions between buyers and merchants.

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    You need to do a research and create a list of at least 30 the most successful Blockchain companies which meet these criteria: - they provide blockchain services, development or products only for other businesses (B2B model). - they must be successful - either big clients, revenue 1M+ in the last year or raised 5+ M in funding. Besides the list, you should add more information about each of these companies. These data include: - Company name - URL - Country - Investors if available - CEO, CTO, COO or other key leaders - Number of employees - Age of the company - Proof of success (clients, revenue, funding) and source URL - List of their B2B services

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    If you are really good developer who can do Bitcoin, blockchain Development, bid. If not, don't bother me. Write "I am Bitcoin Genius" at the beginning of cover letter. Thanks.

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    blockchain developer needed 1 day left
    VERIFIED

    Looking for experienced blockchain developers to help evolve a business concept. Developers need to have past blockchain development experience with references.

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    I need an android developer to take a look at my white paper and improve it by adding the right terminology and explanation into the working process. Knowledge about blockchain technology and IPFS will help a lot too. This is a 3-page word document My budget is $10 for this.

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