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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    46 jobs found, pricing in USD

    Hi, there :) I am looking for a company or individual who can build cryptocurrency exchange platform. You must have previous experiences of building this kind of platform and can show me. Feel free to bid. I will discuss more about the project with awarded freelancer.

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    I've looked at your profile and invite your to my project.

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    We have a site somewhat setup we need assistance in the config setup of some of the applications we are using. We need this work done within the next few days as we have built the site out a few times we understand the work doesn't take long but we do need someone with the knowledge we do not have in the following areas to config the server correctly to work as fast and efficient as possible. MPOS, Wallets, Redis, Users, and blockchain are some of the work that we have in need of configuring in advance levels that we are still learning.

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    Looking for dev to build our mobile wallet (andriod and iOS). The development will be done on our server. QA testing necessary. If you have never done a web/mobile wallet for blockchain project please DO NOT apply. Proposal Guidelines: 1. Links to current or past project that is blockchain mobile/web wallet related 2. Your github link so we can review your previous commits 3. A high level breakdown of project deliverable and time you can deliver. These things will give us an idea if you are familar with blockchain tech and tech development.

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    Hi, Would you be interested in a new career opportunity in the Fintech, Blockchain or other web application? If you do, can I invite you for a chat? There are few opportunities that should work with you here in our Web agency team. Thx! PS: These are full time roles. Thank you for your time. Cheers, Ion Balan

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    Need help with installation of Hyperledger Sawtooth and making transactions and blocks. Also configuring the settings of Hyperledger sawtooth.

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    Trophy icon 3D Monoline Schematic Logo 29 days left

    Brandname: Interstar Network [login to view URL]

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    Hello, I need to topup a bitcoin address for $10. I will pay $15 to you.

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    We currently have a mining pool which frontend has been realized with [login to view URL] It is good looking, but there is room for improvement in both user interface, graphic and user experience. We are looking for someone that can analyze current problems, propose solutions and implement them in the current environment. The website shows form, graphs and many information regarding how the mining is going. An example of the result we want to reach can be seen at [login to view URL]

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    I am initially looking for having the following: 1. Peatio exchange server installed on my EC2 instance (Ubuntu 16.04), up and running (inc. deposits and withdrawals). 2. 1 new coin added ([login to view URL]).

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    Current masternode coin needs develop to create github release and masternode setup guide.

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    I made a new altcoin based on Dash and need to create mining pool for customers. I want to discuss developers who has experience in dash fork and mining pool. Are you ready? Please start your proposal with three dots and let's get started. I want to discuss trustworthy cryptocurrency developer.

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    I am looking for a blockchain developer to create a smart contract and wallet. More details will be shared on chat with selected freelancers only.

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    Hello, Below are our ICO requirements: a) Create an ERC20 (Ethereum based) token b) The ERC20 token smart contract will need to be verified on etherscan - THIS IS IMPORTANT c) Distribute coins to 12000+ airdrop participants - no. of coins for each participant varies

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    ICO crowdsale smart contract 5 days left
    VERIFIED

    i need a crowdsale smart contract that has only 1 price in eth and users get tokens instantly. I will also need to be able to withdraw from the contract. I need this deployed and me made admin.

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    I need you to develop some software for me. I would like this software to be developed . Hello, I want to build my coin and also I want to create a wallet for it, in this wallet,i would have top ten currencies in the wallet which can be exchanged to mine, who can help... Before any project is awarded, I would like for you to come up with how you would work on this and also ways to complete this.

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    We require someone with knowledge of json files and explorer setup for wallets and coins.

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    Angobit.com 5 days left

    blockchain education, cryptocurrency exchange

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    i need a crowdsale smart contract urgently that has only 1 price in eth and users get tokens instantly. I will also need to be able to withdraw from the contract. I need this deployed and me made admin.

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    We are looking for a talented and experienced Block chain developer who can develop a platform for our gaming community A platform we are looking something similar to steemit community [login to view URL] But our requirement is for games

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    Dear Coders, i need a coin that is MN, POW / POS based on Xevan Algo. Please you should know what i am talking about, do not waste my time if you are not familiar with MN. I want a coin that can be constantly mined until a certain block hight.

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    We are looking for a solid team or person that can actually help us setup a blockchain and create our own Cryptocurrency for that blockchain. We are interested in having our blockchain provide a number of apps and services that can used on our blockchain. This project is for you to suggest and give design ideas for solid solutions to the blockchain. The industries do not matter as long as the solutions for those industries seems viable. As for the Cryptocurrency, you will need to let us know how to start it, get it listed on exchanges for purchase and suggest mining algorithms to allow miners to mine for the currency. We consider this a long term project for the right team and this is really a first step of many. Blockchain is fairly new technology but we only want to partner with experts on this project as not to waste time and to actually have it become successful. So we cannot take a chance on those that do not have solid positive reviews. Please be sure to be specific about your expertise when answering this bid request or it may get ignored. This project is too important to us to field generic or automated responses. So unless you have stellar reviews and a VERY long work history, please tell us exactly how and why you can help us.

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    Need skilled Blockchain developers for our project. Interested people can send us your resumes along with previous work experience.

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    We are looking for a Full stack developer who has a depth of experience with Angular / Ionic / Node.js and BlockChain to work full-time with us for 12 months or more. Our team is building a high-scale blockchain platform that is solving a deep need in the space. We are self-funded and are growing quickly. We are a startup based in Seattle, WA and Moscow, RU with experienced founders. Our existing team is small and highly productive. The desired characteristics of a new team member are: --Deep experience using Javascript on Web and Server projects --Exposure to the High-Scale systems in Javascript --Exposure to popular open-source libraries and frameworks such as Koa, Ionic, Express, Angular --Excellent written and oral communication ability --Desire and willingness to mentor/teach new team members Ruby --Ability to review code and provide useful feedback. --High-bandwidth internet connection capable of supporting virtual-pair-programming. Ideally, you are available for full-time transition within 2 weeks and you are willing to work with 4 hours overlap of 8am-8pm PDT. (GMT-7) Thanks!

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    n Switzerland we have unlimited access and virtually no wait times on healthcare, but costs are rising fast every year, so we need a better solution. SANA is designed on the Ethereum blockchain using smart contract technology to improve the communication of healthcare institutions.

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    I need someone to develop a cryptocurrency with PoW and Masternode functionalities (ideally X11 algorithm), with wallets (win, mac, linux), a daemon (and android-wallet). I will announce the coin publicly 1 month before Genesis Block, you have 1 month to commit the code on github. (First Milestone payment) After 1 month genesis will start, no Premine. Proof of work rewards will last 1 month and PoW Block rewards have to be set to 0 afterwards! You should provide a pool for 1 month, too. (Second milestone payment) The job is done after 2 months (1st month: sourcecode commit, 2nd month: end of PoW-Phase) and money will be paid out accordingly. (Last milestone payment) I am flexible with the requirements, but please refrain from proposals above 750€

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    I have an erc20 exchange and wish to offer the service of letting people run an ico feom within my exchange platform. I want this incorporated into the exchange platform. Please put detailed proposal in writing including as much info as possible to be considered

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    I need a professional academic writer in the field of (Computer Science and programming) to write research paper for publishing in SCOPUS journal. The subject of research paper is about the "Applications of block chain in health care sector in Germany". Instructions: 1. please re-write the title in strong way. "Applications of block chain in health care sector in germany" 2. Abstract. (150 - 250 words). 3. Key words. 4. Introduction. (talk about the block chain applications, and show its significance in the medical field in germany 5. Conceptual Framework 6. literature review. 7. ( apply the block chain in the health sectors, and show figures and tables with indications of contribution 8. findings. 9. Conclusion. 10. Recommendations. Use APA style, with at least 25 references,, Number of article pages " 11 "

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    Core developer Advisor 2 days left
    VERIFIED

    We are looking for technology consultant who can be part of our advisor team for our under development fintech product that is going to use crypto currencies, smart contracts and possibly blockchain technology. You will be part of the audit team of our technical development documents, help find best practices and consult on security.

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    We are launching our company VirSymCoin [login to view URL] and are in need of individuals who are knowledgeable to join our team. We are pursuing investors for the company. We need like minded people who will propel this company forward once we get the investment funds. Not money driven, but success driven people only our business model ensures this business will be successful. Anyone engaging us will be required to sign a NDA. Only people with knowledge of the blockchain cryptocurrency market should contact us to begin talks...

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    Features brief - User (Creator) uploads a digital asset on the blockchain to trade. - User (Creator) decide the trading price & amount of digital asset that is to be sold. - Buyer sees price and quantity left --> Buy - To minimize payload on the blockchain, maybe digital asset can be stored on an ipfs and the digital id hashes onto the blockchain. Can interested freelancer please let me know 1) If it is a simple web front, the duration to build that 2) IDE tools to be used 3) Approach in coding on Ethereum Testnet and interfacing it to Frontend

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    I require a new cryptocurrency similar to ethereum with a few differences: -no mining -no transaction fees -instant secure transactions -tokens -smart contracts -icos -direct exchange to and from main currency and tokens based on exchange rates -exchange rate is based on buy/sell orders I will need wallet, block explorer, and the tokens creation, smart contract tools etc all set up. This will be an all in one platform. Before we start project I need the following: -detailed explanation of what will be done and how it will be done -specs etc -explanation of how we can have a max supply or no max supply and have tokens exchnaged instantly to main currency without any exchange partners -explain how token exchanges with main currency wont effect the main currencies value and even better explain how it could increase its value

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    We would like to connect accounting system s to Ethereum For this we need developers who knows Ethereum and MS Dynamics and SAP to create connectors to them.

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    Mining pool for 51% attack 1 day left
    VERIFIED

    Hello, I need a personal mining pool for a SHA-256 51% attack. It is for test, experience and personnal use. I won't do any harm to any ecosystem. You can use any free available open source that you will custom to achieve this project (example : [login to view URL])

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    i need someone who is individual Block-chain programmer & have strong knowledge in crypto. i will share some opensource exchange github source code and he/she will implement all thing like i want. you must need to know how build a decentralize exchange, smart coins, witnesss & smart contracts development Skills. if you know the all process i believe you can implement on that opensource too. No time waster, no Sales Person, No slow worker bid here, i need to done it fast.

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    Crypto Exchange Platform 20h left
    VERIFIED

    Is anyone have clone of a popular crypto exchange platform, 2FA, SMS, email, Payment Integration. peer to peer, fiat to crypto features in WebApp, Ios and Android. I hope I don't need to tell the requirements. I would expect to have all the features of top 3 exchanges.

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    We are adding a blockchain developer to our team. There is a token offering scheduled for February and there is a need right now for the Block Chain Dev.

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    We are looking for sb who will be responsible for adding our cryptocurrency - primestone to exchanges - coinbase and other. Payment for each successful action.

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    Please don't bidding if you never created an crypto exchange platform before! We want to create a crypto exchange platform such as Indodax or Yobit. Note for the website: 1. Has 3 markets. 2. Each coin has a wallet installed on our website. 3. Each token wallet address has the same wallet address as the ethereum wallet. 4. Voting System. 5. And others. Note for the freelance bidder: 1. This is a long-term cooperation (If your job is good, we will come back to offer the project.). 2. We need a crypto exchange platform demo that you created. 3. Crypto exchange platform such as Indodax or Yobit. 4. Bonus some tokens if finished before 20 days. 5. Payment by Freelancer. 6. We need individuals or teams that have personalized social media. Time: 20 days (not more). Budget: $750-$1,250 (not more). Domain: It's ready. Hosting: It's ready. SSL: It's ready.

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    ICO Content Writer 8h left
    VERIFIED

    Someone who has experience in writing content for Initial Coin Offering We pay 1 cent per word. Must have past exp writing for ICO

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    We need independent freelancer who have just started freelancing, to join our team, The freelancer is allowed to take his/her projects, and do his work, independently. But being in our team.

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    Read carefully and don't say sir what is blockchain? sir what is altcoin,how to do?I can do it but i need more money or more time!every proposal out of badget will be deleted! Create your own coin like Bitcoin Coin specs Coin name : xxxxxxx coin abbreviation : xxx address letter : x Verbal timestamp : 0x.......... block reward : x coin supply : xxxxxxxxxxxxx ability to add infinite premine : yes premine percent : 10% coinbase maturity : x number of confirmation : x last pow block : 1000 minimum coin age : x pos interest per year % : x Check if you want to use a hard coded seed node in the source [login to view URL] ; [login to view URL] ------------------------------------------------------------------------ on this site for 0.0125 bitcoin i receive (walletbuildersdotcom): Create your own blockchain with premine and custom logo's. You get an unique genesis block, the source code and a compiled Windows & Linux wallet. Name and abbreviation of your choice Unique merkle hash and genesis block Unique alert keys with private certificate Select address letter Upload logo and icon Windows & Linux wallets Source code & Linux daemon Node hosting for one month FREE Premine -------------------------------------------------------------------------------------------------------------------------------------------------------------- i need that you create the coin with all this specs,install the node on my vps and made it running and safe,then you must install blockchain explorer for the coin too. i need that you understand well what i need so it's better that you create a free account there and test the script,download wallet,configure it to mine and see how it works, My proposal is total for the task is 200$ ,50$ deposit,50$ after installation and testing,final payment 100$ end task! You can find me on sk..e my id is giannigre68

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    UpGrad is one of the leading online higher education companies that tie up with top universities like BITS Pilani, IIIT-B, Cambridge University and companies like Genpact, Cognizant, Uber to deliver a world-class, industry-relevant learning experience. Currently, we are creating a course on Blockchain Technology. Theis program is for Developers in the IT industry who are keen on working with the Blockchain technology and develop solutions and applications centred around this technology. The course will upscale their existing skills regarding programming, while also enabling them to learn and enhance skills specific to the Blockchain domain. The program is not meant to cover any aspects of solution or relational management. It is also not intended for cryptocurrency enthusiasts, and takes a broader view of the technology underlying cryptocurrencies and its architecture, than the economics surrounding it. We are looking for individuals who have prior experience in this field and can create quality content and demonstrations on this topic.

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    We need IT specialists, software developers, blockchain hackers, engineers and others, for our project. Possible work in Europe.

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    We are looking for a Crypto-currency Social Media Manager Preferred languages: Dutch/French/English You will be responsible for setting up and keeping our social media pages fresh and engaging. You will be paid a fixed fee + coin bonus.

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    We are looking for a Crypto-currency Exchange Manager Preferred languages: Dutch/French/English You will be responsible for getting our crypto currency listed in exchanges. You will be paid a fixed fee + coin bonus per successful listed exchange.

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