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.

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    69 jobs found, pricing in USD

    want bitcoin expert have knowledge in crypto

    $146 (Avg Bid)
    $146 Avg Bid
    3 bids

    NOTE 1. Kindly read the following before bidding 2. Whatever price you mention here will be final - no negotiations and no change in pricing 3. Quote your own price - fixed priced - Assume extras for development as per normal website requirements Need to create 2 different types of products 1. An exact fork/replica with different name of the type [login to view URL] with a node along with a p...

    $20 - $164
    $20 - $164
    0 bids

    Need ready codebase [anything you have]: ICO, smart contract, white paper, blockchain integration, Dapps, EOS,Master node, web wallet, with ECR20 and ECR23 with the complete audit report.

    $140 (Avg Bid)
    $140 Avg Bid
    1 bids

    We are looking for an expert JavaScript developer who is highly skilled with Vue.js. Your primary focus will be developing user-facing web applications and components. You’ll implement them with the Vue.js framework, following generally accepted practices and workflows. You will ensure that you produce robust, secure, modular, and maintainable code. You will coordinate with other team member...

    $19 / hr (Avg Bid)
    $19 / hr Avg Bid
    26 bids

    Need ready codebase for building ICO platform

    $101 (Avg Bid)
    $101 Avg Bid
    1 bids

    Need a list of address holding EST Contract Tokens with their balance EST contract address 0x2F70323D7199855A50b077c3164Bd030543E3a12

    $54 - $68
    $54 - $68
    0 bids

    A Hong-Kong based company is looking for a crypto marketing and PR expert to help the fundraising and crowdfunding launchpad stages for the current and upcoming projects in its portfolio. Payments will be made in tokens plus attractive successful and bounty charges on a monthly basis. Applicants must have massive experiences on crypto marketing, blockchain advertisement and fundraising by ICO and ...

    $2483 (Avg Bid)
    $2483 Avg Bid
    3 bids
    Blockchain on AWS -- 2 6 days left
    VERIFIED

    Looking for a Blockchain AWS Expert for ICO.

    $2500 (Avg Bid)
    $2500 Avg Bid
    23 bids
    Cyberflex Blockchain POC 6 days left
    VERIFIED

    we are busy with a POC on Blockchain and IOT Weatherstation information as well as additional sources of information with various types of consumers for one of our clients. Their consumers are farmers and consultants etc. The project will be implemented as a cloud-based solution. Consisting of the following technologies. BlockchainDB. Python. Flask. Postgress. Blockchain business rules. Machine l...

    $37 / hr (Avg Bid)
    $37 / hr Avg Bid
    7 bids

    I am looking for someone who has experience with application development to front-run pending transactions on the Ethereum network when I buy and sell manually on uniswap contracts.

    $720 (Avg Bid)
    $720 Avg Bid
    10 bids
    Blockchain 6 days left

    Implementing staking and signing in Block chain using python

    $20 - $170
    $20 - $170
    0 bids
    Blockchain Expert 6 days left
    VERIFIED

    Looking for a blockchain expert to provide the complete solution: ICO, smart contract, white paper, blockchain integration, Dapps, EOS, Master node, web wallet, with ECR20 and ECR23 with the complete audit report.

    $18 / hr (Avg Bid)
    $18 / hr Avg Bid
    8 bids
    Blockchain on AWS 6 days left
    VERIFIED

    Expert Wanted: Blockchain on AWS

    $21 / hr (Avg Bid)
    $21 / hr Avg Bid
    16 bids
    Blockchain Developer Required 6 days left
    VERIFIED

    We are looking for an expert blockchain developer to work on farming smart contract

    $1230 (Avg Bid)
    $1230 Avg Bid
    10 bids

    We are looking for an expert blockchain developer to work on farming smart contract

    $150 (Avg Bid)
    $150 Avg Bid
    2 bids

    We are looking for an app developer that specializes in blockchain technology. The freelancer contract timeframe and the set price will agree upon with benchmarks. The payment schedule will be by milestones detailed in the contract. Currently, the development is in the high fidelity wireframes stage and is ready for the developer. We are looking for someone that has 3-5yrs experience or more in th...

    $4282 (Avg Bid)
    $4282 Avg Bid
    23 bids

    I would like to develop a Games site and want these games 1) Ludo game 2) Card game 3) Awale game 4) Pool Game I want these 4 games professional working with good GUI. Want database and also SECURITY. I WANT AN EXPERT IN BLOCKCHAIN TECHNOLOGY to help secure it.

    $1888 (Avg Bid)
    $1888 Avg Bid
    13 bids
    ports eficiency 5 days left
    VERIFIED

    change priorities between trucks and train transportation we are a iot and blockchain company in transportation. we have a full developed application and we want to adapt improvement of the port, we can transform regular containers in inteligent conteiners we are using smart contracts for paperwork saving etc , we need some one that can help us in all the aspects of our work

    $38 / hr (Avg Bid)
    $38 / hr Avg Bid
    12 bids
    DeFi project 5 days left
    VERIFIED

    I'm looking for an experienced full-stack developer with background in Ethereum/Solidity and defi in general to develop a project similar to SushiSwap

    $38 / hr (Avg Bid)
    $38 / hr Avg Bid
    20 bids
    Blockchain Developer needed 5 days left
    VERIFIED

    We are looking for an expert blockchain developer to work on farming smart contract

    $152 (Avg Bid)
    $152 Avg Bid
    5 bids

    A meaningful, experienced, well-versed, and creative Rust engineer self-desired to be part of creating impactful, world improving, and purely innovated solutions. Focusing on BFT Consensus improvement, Wasm VM Integration, Benchmark, Structure, and HD Wallet Integration. The mission is one galvanized by a fundamental guided intention, destined to create liberating, social impacting and world imp...

    $2430 (Avg Bid)
    $2430 Avg Bid
    21 bids

    Looking for someone to take this github code that identifies triangular arbitrage opportunites on binance and turn it into a program that auto executes profitable trades with the api keys. This means you have to work with trading fees and time constraints to get this work. The program will need to have setting to alow tge tweeking of various variables to make it profitable. Please share your comme...

    $195 (Avg Bid)
    $195 Avg Bid
    10 bids

    We are a cross-border money transfer company. We are looking to create an App to facilitate transactions among the peers of the Stellar blockchain network. We've come across a couple of seemingly interesting templates that could be used for that purpose. Please reply with price and portfolio example of work completed.

    $777 (Avg Bid)
    $777 Avg Bid
    22 bids

    I'm need a platform that allows people to create their own ERC20 tokens (mintable and non-mintable) and ICOs. Those are the only functionalities that would use Blockchain. The ICO part should have the option of a person to select if they want the ICO to be at a fixed token price or with a increasing price; token name; token symbol; token price/dólar; ICO Goal; ICO maximum fund (the ma...

    $1430 (Avg Bid)
    $1430 Avg Bid
    16 bids

    In Africa we have big informal market, people buy and sell in the streets buy exchanging fiat/hard cash. This cash in return is stored at home and those that are fortunate they go and bank. Not everyone has a bank account, bank charges are too much, etc. Cashless Buy, Sell, send and recieve cash using a mobilephone These app should allow street vendors, to sell their products and get the money e...

    $2265 (Avg Bid)
    $2265 Avg Bid
    34 bids
    Blockchain on ethereum 4 days left
    VERIFIED

    Hello, I want to have my own crypto coin for my project. Coin should be secure, easy minable with asic or gpu, and transactions should have low energy consumption. Main use for the coin it would be transfer of funds ( like money). Can you give me a quote how much that would cost.

    $1205 (Avg Bid)
    $1205 Avg Bid
    23 bids

    Implement a blockchain smart contract for the secure association of the vehicles in the VANET architecture.

    $10 - $30
    $10 - $30
    0 bids

    Implement a blockchain smart contract for the secure association of the vehicles in the VANET architecture.

    $10 - $30
    $10 - $30
    0 bids

    Please reply only if you have done this work in past. Start your message by saying BSCRocks Only then I will reply you.

    $451 (Avg Bid)
    $451 Avg Bid
    4 bids

    I need someone experienced who can develop a smart contract for us. the smart contract would be audited and should be bug free, I'll give you a set of checklist to which have to be followed. you must have a decent experience in this. you basically have to make token via a ERC20 smart contract. also it would be a bit of long term work too like you have to manage and create more than 1 smart c...

    $171 (Avg Bid)
    $171 Avg Bid
    6 bids

    I need a few blockchain & crypto currency expert developer with good enough experience. I need you to be a part of our team tho. you must be knowing about smart contract and all these.

    $17 (Avg Bid)
    $17 Avg Bid
    4 bids

    This project is not for business now only for license requirements script already have need to deploy for test run

    $610 (Avg Bid)
    $610 Avg Bid
    10 bids

    We require 2 Ethereum-based (ERC-20) tokens created We also require 2 wallets created that hold a virtual representation of each of these tokens and are a virtual representation of the amount of the ERC20 tokens actually owned on the Ethereum blockchain. This is to allow for easy management of the tokens. There are a number of open source virtual wallets available that could do such a job very we...

    $863 (Avg Bid)
    $863 Avg Bid
    17 bids

    Hello any blockchain developer here that can develop a Crypto or bitcoin Mining software for me.

    $535 (Avg Bid)
    $535 Avg Bid
    7 bids

    hi we are having issue on our website mobile [login to view URL] is not auto connecting with klever and other mobile [login to view URL] dapp is in tron [login to view URL] version is working fine

    $70 (Avg Bid)
    $70 Avg Bid
    3 bids
    Article composed 3 days left

    Good afternoon to everybody reading this, I am looking for people with genuine, in-depth experience in the blockchain, crypto sphere to put together for me a research paper. (ONLY PEOPLE WITH KNOWLEDGE IN THE FIELD) I need a 20 to 30,000 words paper (essay) on the trading of cryptocurrencies. The essay must contain DETAILED explanations on a number of subjects. $$$$$$$$$$$$$$$ : I DO NOT WANT...

    $219 (Avg Bid)
    $219 Avg Bid
    23 bids

    I am searching for someone who can build an investment platform where people can invest money for our fund. We will be integrating payments using Tether, Ethereum, Bitcoin. Requirements of the job: - Being able to implement Tether(ERC20 tokens) - Being able to implement Ethereum - Being able to implement Bitcoin - Being able to implement a CMS Payment of building the platform will be done in a p...

    $46 / hr (Avg Bid)
    $46 / hr Avg Bid
    21 bids

    NOTE 1. Kindly read the following before bidding 2. Whatever price you mention here will be final - no negotiations and no change in pricing 3. Quote your own price - fixed priced - Assume extras for development as per normal website requirements Need to create 2 different types of products 1. An exact fork/replica with different name of the type [login to view URL] with a node along with a p...

    $112 (Avg Bid)
    $112 Avg Bid
    2 bids

    I need DAPP and Smart contract development on Tron Blockchain The developer needs to work also on the graphic design of the website (and relative deployment). more details to be discussed in chat.

    $1526 (Avg Bid)
    $1526 Avg Bid
    38 bids
    Decentralized Crypto wallet 2 days left
    VERIFIED

    Please see examples below : [login to view URL] [login to view URL] Wallet also to support except of our ICO, the following coins : 1. Bitcoin 2. Ethereum 3. Bitcoin Cash 4. Ripple 5. Litecoin 6. Monero 7. Dash 8. EOS 9. NEO 10. Tether 11. Cardano 12. Tron 13. Stellar 14. Tezos 15. Algorand 16. Zcash 17. Ethereum Classic 18. OMG Network 19. Basic Attention Token 20. ChainL...

    $2747 (Avg Bid)
    $2747 Avg Bid
    25 bids

    i need a swapping dapp fork from sushiswap and build on ethereum blockchain

    $1885 (Avg Bid)
    $1885 Avg Bid
    12 bids

    we need some experienced blockchain developer in our team for the post of "senior developer", we will tell our audience too that you work with us. you must have a decent experience in blockchain. YOU MUST HAVE A LINKEDIN PROFILE.

    $109 (Avg Bid)
    $109 Avg Bid
    2 bids
    Smart Contract Eth 2 days left
    VERIFIED

    Hi everyone I want to create a smart contract to interact with uniswap. Then test and deploy with truffle. Following the instructions below. But I'm newbie. I was unable to complete it. I'm stuck at "Writing tests" step. [login to view URL] [login to view URL] I have attached a photo. If you can help me complete this tutorial, feel free to contact me. Thanks

    $158 (Avg Bid)
    $158 Avg Bid
    7 bids

    We are looking for a blockchain/cryptocurrency developper and server administrator. We need help to setup the seeds nodes server of a new cryptocurrency / blockchain. Simple task; server already setup, just need configuration.

    $223 (Avg Bid)
    $223 Avg Bid
    10 bids

    Hi everyone I want to create a smart contract to interact with uniswap. Then test and deploy with truffle. Following the instructions below. But I'm newbie. I was unable to complete it. I'm stuck at "Writing tests" step. [login to view URL] [login to view URL] I have attached a photo. If you can help me complete this tutorial, feel free to contact me. Thanks

    $15 (Avg Bid)
    $15 Avg Bid
    2 bids

    Looking for someone to take this github code that identifies triangular arbitrage oppurtunites on binance and turn it into a program that auto executes profitable trades with the api keys. This means you have to work with trading fees and time constraints to get this work. The program will need to have setting to alow tge tweeking of various variables to make it profitable. Please share your comme...

    $175 (Avg Bid)
    $175 Avg Bid
    6 bids

    I need to change PIVX/similar source code to make duplicate transactions - wallet should allow to send same transaction many time, so receiving address gets same transaction multiple times, but it doesn't change its balance. For example: From adress "A" I am sending 5 coins to adress "B" (normal, accepted transaction) and after that trasaction is confirmed I am able to re...

    $327 (Avg Bid)
    $327 Avg Bid
    5 bids
    Crypto and website developer. 2 days left
    VERIFIED

    Bitcoin Ethereum XRP Bitcoin Cash Chainlink Litecoin XLM These are the blockchains-cryptocurrencies you have to be able to work with. I am looking for developers who can build me a cryptocurrency investment website. Other than being able to implement above cryptocurrencies into the website you must be capable of building a fully secured website and coding custom scripts depending on our r...

    $36 / hr (Avg Bid)
    $36 / hr Avg Bid
    58 bids

    I want to deploy a smart contract with functions to be defined. This smart contract when called is able to execute arbitrage between currencies, using flash loans or not, between multiple exchanges and it needs to be executed automatically when the opportunity shows up The steps are like this : Step 1) calculate arbitrage for given set of coins for the optimal amount Step 2) borrow collateral in ...

    $2649 (Avg Bid)
    $2649 Avg Bid
    11 bids

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