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


    156 份搜到的工作,货币单位为 USD
    Blockchain Developing skills 6 天 left

    Hello, I am mechanical engineering student and I have entered the crypto world recently. I am looking for someone who can teach me blockchain developing and how to create a token and Dapp from A to Z : * Blockchain coin forking, Smart Contract for DApp * Cryptocurrency Exchange System, DeFi, * Wallet for web and mobile * FIX (Financial Information eXchange) Only patient professional with reason...

    $10 - $30
    $10 - $30
    0 个竞标

    Need our BSC Crypto Currency contract slightly modified, fork of SafeMoon. Must be fully testable on Test Net then published to Binance Chain. Need help setting up a liquidity wallet and dev wallets.

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

    Hello, I need a bot that can execute this simple strategy on the [登录来查看链接] exchange : - Scan every spot usdt pair to detect a +p% price variation in s seconds - Once detection has occurred, perform a long entry with a +t% target and a -l% stop loss on the detected pair - Once the trade is over, return to detection mode Variables p "price variation", s "seconds", t "targe...

    $625 (Avg Bid)
    $625 平均报价
    6 个竞标
    Project NFT 6 天 left

    Create NFT Marketplace using Flow ([登录来查看链接]) This includes... - Creating NFTs with IPFS - Creating application that interfaces with Flow smart contracts to authenticate and to fetch NFTs - Creating an NFT Marketplace

    $12 - $20 / hr
    $12 - $20 / hr
    0 个竞标

    in search of Mern developer for long term. it is part time remote job . 4 hours daily. salary 150 USD per Month we are open to select new users on this platform if he prove his skills. no junior developers skills required: React Native - Reactjs - Expressjs - [登录来查看链接] - webRTC - RTMP - Blockchain if you meet some of these skills apply.

    $150 (Avg Bid)
    $150 平均报价
    2 个竞标

    Selection and configuration of one crypto trading bot for personal use: Crypto trading bot for personal use You will decide on the best crypto trading bot based on the list we will provide. You will implement on selected exchanges You will test in real life to show the effectiveness Example of crypto trading bot. Fell free to add to suggest other and why [登录来查看链接] Please do not bid if this is n...

    $485 (Avg Bid)
    $485 平均报价
    8 个竞标

    Looking for Bitshares blockchain professional with excellent knowledge of C++, frontend, backend and server to fix a minor issue on my platform.

    $24 / hr (Avg Bid)
    $24 / hr 平均报价
    5 个竞标

    I want to build my own website display TradingView Chart for BSC tokens. You have to know about BSC and BSC Apis to get recently BSC tokens. Deadline: 30Days. Budget: 750$

    $590 (Avg Bid)
    $590 平均报价
    7 个竞标

    This is a complex project, could be longer term. We are looking to hire a seasoned smart contract developer who can build custom smart contracts for an innovative gaming platform we are building that rewards users for playing games. Please review this link to get a better understanding of the front end of the product: [登录来查看链接] Our user will visit the gaming website and…. St...

    $38 / hr (Avg Bid)
    $38 / hr 平均报价
    16 个竞标

    Hello everyone. We want to build a crypto platform like Cyclon Protocol. The code for this is already built and available on github, so you need a bit to fork it. It's a zkSNARKs-based privacy protocol for all DeFi apps. I want to build the same app but ONLY to BSC ( Binance Smart Chain). The concept is anyone deposit a coin into this project address and we scramble that coin into differen...

    $733 (Avg Bid)
    $733 平均报价
    12 个竞标

    We want to create a DPoS Token for mining. Also this Token to be supported buy its own platform (website) Also to have its own wallet (Wallet exist open source codes in Githup and we would like to use one of the wallets from Githup. The developer whom will apply for this project, must have the following knowledge : Blockchain Techs. Background - examples of previous DPoS mineable Token To search ...

    $1583 (Avg Bid)
    $1583 平均报价
    3 个竞标

    Multiple payment gateway integrations on multiple platforms I'm looking for a professional developer who can integrate multiple gateways gateways and cryptocurrency wallet on our banking platform, ecommerce platform, two different cryptocurrency exchange platforms, email campaign platform, social media platform, video streaming platform, two project management platforms and video conference ...

    $210 (Avg Bid)
    $210 平均报价
    12 个竞标

    Hello, We looking for an senior developer who know and work with smart contract on binance smart chain ( bcs ). We will create some smart contract and manage transactions. We can hire you on full time ( monday to friday ) and we can hire you right now. Thank you.

    $15 / hr (Avg Bid)
    $15 / hr 平均报价
    7 个竞标
    Cardano NFT project 6 天 left

    We are developing an NFT series on Cardano. We are looking for an experienced dev who is passionate about Cardano and understands the current, pre-smart contract minting process. We have the concept and art finished, just looking a partner to help with the tech.

    $687 (Avg Bid)
    $687 平均报价
    4 个竞标

    I'm looking for a professional developer who can integrate multiple gateways gateways and cryptocurrency wallet on our banking platform, ecommerce platform, two different cryptocurrency exchange platforms, email campaign platform, social media platform, video streaming platform, two project management platforms and video conference call platform. All will be implemented on the (Website, Andro...

    $394 (Avg Bid)
    $394 平均报价
    9 个竞标

    need to implement on the new idea and approach of existing research paper on blockchain technology

    $20 - $168
    $20 - $168
    0 个竞标

    I need some one practically familiar with Sawtooth hyperledger to create the client side of my project and some modifications in its Transaction Processor

    $818 (Avg Bid)
    $818 平均报价
    3 个竞标

    I need a Nodejs Project API. It will be a backend that will provide an API for the front that will be in React Native. The main idea is to be a Games ranking platform, with integration with Google Games. In addition, this project has a peculiarity that it is also to be integrated with the Ethereum blockchain for payment of rewards. Backend API 1. User control. A. Administrator * User CRUD ...

    $481 (Avg Bid)
    $481 平均报价
    12 个竞标
    Trophy icon A Contest For Ideas. 10 天 left

    GENERAL INFO: I am in the process of building a blockchain-based token. SCOPE OF THE PROJECT: I need one or multiple IDEAS for a crypto-token. My scope is very simple, I want to build a crypto-token that has the most chances of being mass-adopted by the crypto-community. (any framework is accepted, from ERC to BEP to TROn, anything and everything) To that end, any idea, as "crazy" a...

    $111 (Avg Bid)
    加保 加封
    0 项参赛作品

    Hi, The goal here is that a working crypto trading bot is delivered that works on one of these exchanges: Bitfinex, FTX, Binance. The bot will work through the API of these exchanges. Every trade will be placed in a Telegram group. We are able to choose between strategies or we can choose multiple indicators (we need help with making this as profitable as possible). Every trade has a 'plan...

    $1147 (Avg Bid)
    $1147 平均报价
    9 个竞标

    Reference bot- [登录来查看链接] Exchange to support- CoinDCX, Binance, Coinbase Pro, Kraken, Binance US, Bitfinex, [登录来查看链接] etc

    $174 (Avg Bid)
    $174 平均报价
    3 个竞标
    Review api 6 天 left

    Hello peeps I am looking to make a master api for reviews that can be attached to any website. Using blockchain technology

    $873 (Avg Bid)
    $873 平均报价
    12 个竞标

    The mining pool is generating blocks, but is not paying out automatic rewards to miners We need an experienced blockchain dev to amend our existing mining pool code - experienced blockchain dev - experience with Mining Pools, JavaScript, node.js - Codebase: DASH + algo KawPow *** We need someone who can start right away, and fix it fast! ***

    $763 (Avg Bid)
    $763 平均报价
    11 个竞标
    OctaTron Project 6 天 left

    Hi Ghufran S., As discussed, Let's take this project and make it work efficiently as soon as possible. I have a few more suggestions to discuss with you as soon as l am able to see how far you have gone through your video demonstration. Then we can update the project together to a point it will be launched on the Tron Mainnet.

    $200 (Avg Bid)
    $200 平均报价
    1 个竞标

    I need someone who can create a Crypto-wallet based on android

    $3662 (Avg Bid)
    $3662 平均报价
    4 个竞标

    Full details will be given to the winning bidder but basically you will be given a document of 4000000 addresses and you will find a way to get the pubkey for each and have it formatted as: x= y=

    $386 (Avg Bid)
    $386 平均报价
    5 个竞标

    Token name : GLOBAL CRYPTO CURRENCY TICKER : GCC TOTAL SUPPLY 50 MILLION INTIAL SUPPLY 1% ON TOTAL SUPPLY Mintable token Final requirement for global crypto coin project [登录来查看链接] lottery [登录来查看链接] with aggrigrator [登录来查看链接] staking [登录来查看链接] pool with AMM [登录来查看链接] dex trade engine Blockchain lottery works as pancakeswap but for every lottery round 80% winners prize and 20% split...

    $1504 (Avg Bid)
    $1504 平均报价
    2 个竞标
    Global crypto currency daap 5 天 left

    Token name : GLOBAL CRYPTO CURRENCY TICKER : GCC TOTAL SUPPLY 50 MILLION INTIAL SUPPLY 1% ON TOTAL SUPPLY Mintable token Final requirement for global crypto coin project [登录来查看链接] lottery [登录来查看链接] with aggrigrator [登录来查看链接] staking [登录来查看链接] pool with AMM [登录来查看链接] dex trade engine Blockchain lottery works as pancakeswap but for every lottery round 80% winners prize and 20% split...

    $502 - $1004
    $502 - $1004
    0 个竞标

    Blockchain crypto develop project like [登录来查看链接]

    $3820 (Avg Bid)
    $3820 平均报价
    20 个竞标

    Hello i want to start a mlm business in tron coin . For that i need a tron smart contract and a dapp website i want tron / eth or Binance Smart Chain, would be great if finance smart chain is possible!

    $827 (Avg Bid)
    $827 平均报价
    16 个竞标

    I am looking for someone who is an expert in creating and deploying ETH contracts like NFT, ERC20, ERC721 etc. Responsibility: Write a small contract based on the requirement Deploy contract in testnet Deploy in mainnet.

    $20 - $167
    $20 - $167
    0 个竞标

    salve cerco qualcuno che mi faccia capire come usare la blockchain in tutto e per tutto

    $1348 (Avg Bid)
    $1348 平均报价
    5 个竞标

    I need to create my project based exactly on the nature of the NFT Game Axie Infinity, so I need to assemble my NFT and BREED system, as well as TOKEN, in the same way as them, using the same code, however, who will have control will be my company. We will use the Ethereum ERC-20 Blockachain platform just like Axie Infinity. The source codes are there: [登录来查看链接] I will also need a platfo...

    $3138 (Avg Bid)
    $3138 平均报价
    17 个竞标

    Putting Land Registries on the Blockchain Blockchain provides a potential solution for many of the challenges of land registration. This use case for blockchain extends beyond a pure database, leveraging the opportunity to create a permanent, unbreakable record of ownership for land or real estate. The simplest implementation of a blockchain-based land registry could enable the ownership documents...

    $2250 (Avg Bid)
    $2250 平均报价
    9 个竞标

    Hello, We’re looking to build a perpetual swaps market on Solana and also yield farming like Raydium but with an extra feature to the fusion pool I can explain more in detail regarding matching collateral with other peers in the network to share rewards.

    $24 / hr (Avg Bid)
    $24 / hr 平均报价
    11 个竞标

    I have a finished Solidity smart contract that taxes every transaction 4%. 2% burn, 2% reward. I need to have the contract modified so that the tax and burn functions stop when the total supply of the coin reaches 100 million. This is not a big project, it only requires adding one single function to the already existing code. Should be a quick project for the Solidity professionals.

    $250 (Avg Bid)
    $250 平均报价
    1 个竞标

    Dear, I'm thinking to start an investment in cryptocurrency. So i will need someone who can bring me ethereum this days. if you're interesting please contact me asap. Thank you

    $764 (Avg Bid)
    $764 平均报价
    6 个竞标

    WE APPRECIATE IF YOU READ BEST BEFORE YOU BID. OUR BUDGET IS FIXED. AND IF WE DEAL WITH A PROFESSIONAL THIS PROJECT SHOULD BE READY IN 30 MINUTES!!! ITS PURELY CONSULTANCY, ADVICE We are in the process of assessing the feasibility of building a crypto-token. This token shall have a few basic functions. We need consultancy and advice on what framework best suites our desired functionality. Thi...

    $177 (Avg Bid)
    $177 平均报价
    5 个竞标
    SMART CONTRACT 5 天 left

    Checking a smart contract for Yield Farming project!

    $231 (Avg Bid)
    $231 平均报价
    9 个竞标

    Looking for someone with cryptography experience to create a lightweight GoLang library of functions to encrypt a data set and provide proof of contents of encrypted data.

    $500 (Avg Bid)
    $500 平均报价
    1 个竞标

    I am looking for a blockchain developer who is experienced with Bitcoin and C++. It will be the ongoing job (more than 1 year) if it goes well. Need to make some changes in existing blockchain that was created by forking Bitcoin. Need to start ASAP. Will share the details to the shortlisted candidates.

    $1220 (Avg Bid)
    $1220 平均报价
    13 个竞标
    Smart Contract -- 2 5 天 left

    I want someone who's experienced in writing smart contracts using solidity programming languages I already have the smart contract but i want to do some improvement on it DAPPS, smart contract, ERC721

    $10 (Avg Bid)
    $10 平均报价
    2 个竞标
    Software for bitcoin flashing 5 天 left

    Mobile app project description BLOCKCHAIN BITCOIN FLASHING SOFTWARE REQUIREMENTS; I am looking for a developer who can develop BITCOIN Flashing software. With this software I will be able to do the following; 1. Should be able to work and upload with a bitcoin wallet having zero current balance. 2. Any uploaded bitcoins should be transferable up to five wallets (wallet to wallet). 3. The uploa...

    $836 (Avg Bid)
    $836 平均报价
    7 个竞标
    NFT Marketplace Website 5 天 left

    looking expert only for NFT Marketplace Website. let discuss over chat

    $3387 (Avg Bid)
    $3387 平均报价
    6 个竞标

    Need to work in tron MLM project where smart contract and static UI is already there. Need integration of both.

    $217 (Avg Bid)
    $217 平均报价
    4 个竞标

    Looking for a Blockchain Developer to help build a project based on blockchain and eth.

    $46 / hr (Avg Bid)
    $46 / hr 平均报价
    19 个竞标

    Looking for someone to create a clean, easy to use web3 interactive website with yield farming/staking as well as a decentralized exchange similar to uni/pancakeswap. We have yield farming contracts done already. Looking for quality work delivered quickly. Bid accordingly.

    $2962 (Avg Bid)
    $2962 平均报价
    25 个竞标

    We need an EXPERIENCED ICO writer who can write an in-depth whitepaper for a P2P crypto exchange project. All HTML work completed and we have much related materials for you to use. Backend in [登录来查看链接] is [登录来查看链接] token has been created. Some requirements: [登录来查看链接] be 30-40 pages (5000-7000 words) [登录来查看链接] Charts and graphics to visualize data [登录来查看链接] colors and font for modern design...

    $307 (Avg Bid)
    $307 平均报价
    19 个竞标

    We are a starting business called PayrLink and looking for a frontend expert who has skills in both React.js and Blockchain ([登录来查看链接]). We are going to launch a new website using React.js and [登录来查看链接], which will interact with our Smart Contract. We already have design. (5 pages) You will join our team as a long-term job.

    $721 (Avg Bid)
    $721 平均报价
    23 个竞标