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    66 jobs found, pricing in USD
    Solana Expert Needed -- 2 6 days left
    VERIFIED

    Good Solana expert needed. Details will be shared in DM.

    $250 - $750
    Sealed NDA
    $250 - $750
    8 bids
    Polygon Staking Site Needed. 6 days left
    VERIFIED

    I need blockchain and Dapp developer needed. I want build smart contract for staking on Polygon net because that's cheapest and fastest net. Of course I need Dapp of the smart contract for users. I want build that with React.js and web3.js. Of course I have design and I'll send that. No agency or team, only individual freelancer needed. If you don't know about the blockchain, especially about the Polygon, and if you don't have rich experience about the React.js and , don't bid please. Thank you.

    $369 (Avg Bid)
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    32 bids

    I need help converting my ERC20 token that worths 300usd to ETH, but I can't find liquidity in any DEX, so what can I do? I pay for this job the half, 150usd, and I need to understand the process. I find a way, because a customer of mine wants to change all their ERC20 token to FIAT currency. Thanks.

    $190 (Avg Bid)
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    17 bids

    Hello developers I need a program that create liquitidy for ERC20 tokens without liquidity in several DEX like uniswap or pankakswap or others. More details will be given privately Thanks.

    $332 (Avg Bid)
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    29 bids
    NFT Blockchain COIN project 6 days left
    VERIFIED

    Project Requirements 1. Client has an Apartment buildings and wants to give 1 NFT for 1 house in an apartment to a customer. 2. Launch Coin("KuKu NFT HOMES COIN") pegged to Stable coin(USDT) and using this coin customer will buy the NFT(Apartment house). 3. Create a marketplace where people will BUY/SELL NFTs using "KuKu NFT HOMES COIN"

    $5000 - $10000
    Sealed NDA
    $5000 - $10000
    8 bids
    Upload NFT on solana 6 days left
    VERIFIED

    I need to upload 1 mp4 NFT on solana but allow it to be minted 14500 times, could you get the way to do it ? I need it now

    $24 (Avg Bid)
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    12 bids

    Hello, We need a developer to build our inventory/SCM utility token and blockchain ecosystems on Algorand. A. Scope of Work - There are three phases as below; 1. The first step will be to create and deploy tokens on Algo Mainnet with API development to link the DApp and/or ICO website. 2. Algorand based Smart Contract development to enhance its functionality and scalability. 3. Integration to the DApp and ensure functionality and scalability with workmanship B. Architecture/Language - Python with Algorand SDK and/or Pyteal (NO SOLIDITY) - Blockchain algorithm: ASA C. Terms & Conditions - Backdoor-proof, security audit should be included on each phase - Testing on testnet, bug-free, QA, UAT testing included. - Multichain; we may use multiple networks and/or s...

    $2728 (Avg Bid)
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    37 bids

    Hello. I am looking for senior solidity developer. You have experience with token development. This will be long term job if you are good developer. Best regards.

    $546 (Avg Bid)
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    25 bids

    List of tasks: 1. Add Excoincial Blockchain to 2. Do some aesthetic frontend and backend work on such as logo change, colour change, content change. Here is a reference site: and you will do exactly what ZYX Scan has on such as display of graph using API, adding validators, multisender, connecting our bridge to explorer, connecting swap, adding testnet, etc. For the above task I think you have seen ? So should be updated to function like that. - Add logo - Add favicon - Make a few colour changes - Add meta data to the injector so we can manage it easily. - Make EXL price automated - Add price/market chart - Add smart contract verification - Add testnet - Add our social media links. - Optimise speed of the explorer. So basically upgrade to the level of 3. Pro...

    $1484 (Avg Bid)
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    36 bids

    Create the whole world to generate a new Blockchain-based cryptocurrency. Proof-of-stake model, also create the pool and nodes model. Initial product will be based on binance.

    $1806 (Avg Bid)
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    64 bids

    I NEED A DEVELOPER WHO HAVE+ YEAR OF EXPERIENCE IN WRITING SMART CONTRACT. REQ. TO WRITE SMART CONTRACT FOR TOKEN BUY AND USDT DEPOSIT. NEED AN INDIVIDUAL DEVELOPER WHO WILL START ASAP AFTER FINAL DICUSSION.

    $108 (Avg Bid)
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    5 bids

    We are looking for someone to be able to do this Task here below: Task -> As ethereum is moving to proof of stake consensus mechanism. we would like you to create a deposit smart contract, where people can deposit X amount (configurable) of Ether. Along with that find a optimal way to create json object necessary for making a deposit into smart contract. json object should contain following fields. (it should follow the eth2.0 spec standard) [ { "pubkey": "", "withdrawal_credentials": "", "amount": 32000000000, "signature": "", "deposit_message_root": "", "deposit_data_root": "", "fork_version": "70000069", "network_name": "kiln", "...

    $197 (Avg Bid)
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    25 bids
    SAFUU Fork -- 2 6 days left

    I want to fork safuu project . 250$

    $226 (Avg Bid)
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    12 bids

    I'm urgently looking for a fully customizable cryptocurrency wallet and funds manager written in python 3, that can safely and efficiently move funds between addresses and to and from all large CEX's and DEX's. I need this application to be customizable so that I can implement it as part of cryptocurrency trading bots that I am developing. The funds manager application should be compatible with BTC, USDT and XMR, and also allow for payments to and from legacy, bech32 and segwit btc addresses. I need to be able to send instructions to the funds manager through a command prompt as well by calling it in python applications. This project is fairly time-sensitive and I would like to have a working result within a few days if possible.

    $535 (Avg Bid)
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    12 bids

    We are looking for Blockchain Unity developer who has experience in unity 2D/3D games and Metaverse. Our position is in the loger

    $41 / hr (Avg Bid)
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    40 bids

    be able to add the information of the network in the database so that it works with metamask. 2. Being able to Add the Currency, Network Fee in currency value and Page Fee, Being able to enable which input and output networks will be available for that currency, the commission will only be for the output network. 3. Configure the Private Key and the Address of each network where the funds will arrive, with the Private Key it will be executed to send the funds to the outgoing network that the client requested. 4. The client connects with metamask to choose the input network with which to send the funds, if you give an example: 100 USDT from the BEP20 network, and choose the output network: ERC20, the commission for the output network ERC20 will be calculated According to how it was conf...

    $1511 (Avg Bid)
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    35 bids

    Finding Unity expert. If you are right candidate then will give requirements in detail.

    $260 (Avg Bid)
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    6 bids

    Greeting for everyone! I have NFT marketplace project for pre-lanch. project has done all and left some issues in Smart Contract. I am looking for someone who can fix this issue. you must have rich experience in Solidity/Smart Contract development. Conditions: 1. you have to work through remote access because project is private. 2. all funds will be release after deploying contracts successfully. I have similar projects more and this will be long term deal. cheers!

    $1491 (Avg Bid)
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    67 bids

    Our team is looking for a Solana expert who can build NFT, Staking contracts using Rust perfectly. I tried to do test several guys about their experience and skills. But all guys are scammers and fake. They doesn't know well about the Solana contract development. If you are not expert in Solana, Do not apply please. Only expert will be hired and work long term with our team. Waiting for your proposals. Thanks.

    $27 / hr (Avg Bid)
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    45 bids
    Solana NFT minting project 5 days left
    VERIFIED

    I need to build NFT minting site on Solana. UI is simple. This need to be done in 1 or 2 days. Only expert apply to my project plz. If you do this project perfectly, I will award you more and more project. Thanks.

    $250 - $750
    Sealed
    $250 - $750
    29 bids
    nft marketplace backend need 5 days left
    VERIFIED

    nft marketplace backend need i alrady have frontend but no fucntion in there

    $724 (Avg Bid)
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    77 bids

    I am going to build smart contract on para staking Only bid who has enough experience on building staking smart contract Reward depends on stake amount per total staked amount

    $22 / hr (Avg Bid)
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    7 bids

    Looking for Nft Developer. You will need to work on following points to make our development advanced and unique. Currently I have just GIF(animation available) . - Upload art to IPFS - NFT Minting dApp (minting site with verification, wallet integration and contract integration) - Gas Optimized NFT Upgradable Smart Contract Development Deployment ERC721A . - Contract should have whitelisting, presale, and a giveaway - NFT listed on NFT Marketplaces - Opensea, IMX etc. - Custom Dynamic Admin Panel

    $35 - $100
    Sealed
    $35 - $100
    13 bids

    we are a startup in crypto-space, right now we are looking for programmers (full-stack) to finish developing our project, we would integrate some components from a project vuejs+typescript into our vuejs project (Dashboard). Desirable Skills: Ideally full stack dev, vuejs+typescript, api's, smart contracts. We are looking too for people who are committed, eager to undertake, and with long-term work capacity for a Vesting Contract for 2 years. If you have motivation for the crypto and would like to contribute in the crypto space this is your opportunity to start. More details DM.

    $525 (Avg Bid)
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    22 bids
    NEAR nft project 4 days left
    VERIFIED

    Deploy Near nft smart contract, whitelist token, landing page & minting site, and fix the metadata format.

    $1261 (Avg Bid)
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    61 bids

    Hello everyone, I need: - Token smart contract with fee extraction on BSC + bridges to ERC and Polygon - Staking contract - Token locker - Voting system - Dapp frontend

    $632 (Avg Bid)
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    24 bids
    Cryptocurrency Wallet 4 days left
    VERIFIED

    We are building a cryptocurrency wallet using Dart Flutter that enables users receive Bitcoin,ETH and BNB.

    $153 (Avg Bid)
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    17 bids

    Hello, I'm looking for someone to create a chain fork and explorer, preferably Solana based. We need a chain that has API's set up for token creation, wallet creation, NFT minting, transactions etc BSC type/spec is ok for ETH fork - ideally EVM compatible Otherwise a 3rd Gen Chain fork - Solana, Avalanche

    $60 / hr (Avg Bid)
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    21 bids

    Some possible ways to hire blockchain and crypto exchange developers. The ways are Hire a dedicated team, Engineers on Hourly and Monthly basis based on your Project Development Requirements. CRYPTOCURRENCY DEVELOPMENT CRYPTOCURRENCY EXCHANGE SCRIPT CRYPTOCURRENCY EXCHANGE SOFTWARE DEVELOPMENT WHITE LABEL CRYPTO EXCHANGE SOFTWARE CRYPTOCURRENCY WALLET DEVELOPMENT DECENTRALIZED EXCHANGE SOFTWARE P2P CRYPTOCURRENCY EXCHANGE SOFTWARE HYBRID CRYPTOCURRENCY EXCHANGE SOFTWARE CRYPTOCURRENCY MLM SOFTWARE CRYPTOCURRENCY HYIP SOFTWARE CRYPTOCURRENCY DEVELOPMENT STABLECOIN DEVELOPMENT ALTCOIN CREATION SERVICES

    $9 / hr (Avg Bid)
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    4 bids
    Token Listing 4 days left
    VERIFIED

    I need to list my token on CMC. CG , Kucoin ...... etc

    $238 (Avg Bid)
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    19 bids

    Start immediately! Need an experienced dev, who can fix, eg see why a Solidity Airdrop Code is not working on the Binance Smart Chain. The best candidate will be awarded 50$, this should be an easy 2 hours job if you know your stuff, people who ask for unrealistic high prices after bidding will be reported to freelancer, so bid accurately

    $87 (Avg Bid)
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    12 bids

    Hi I m looking for a blockchain developer who have strong experiences in smart contract. I m adding chainlink VRF function on my smart contract. If you have experiences in smart contract and chainlink VRF function in past then please proposal I will hire soon if you are the correct person for my project thanks

    $16 / hr (Avg Bid)
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    32 bids

    I need auditor who work with our lots of projects

    $550 (Avg Bid)
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    8 bids
    Smart Contrat 3 days left
    VERIFIED

    Hello, is it possible to make such smart contracts as this one

    $225 (Avg Bid)
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    29 bids

    Hi I'm looking for someone to collaborate with for my blockchain project. I would need olympus dao bonding mechanism hybrid with pancakeswap staking pools (syrup pool). Send message for more info.

    $1339 (Avg Bid)
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    21 bids

    Hi. I need a blockhain dev that can create a stop loss smart contract for lp yield farming. The bot / smart contract has to monitor the value of the lp (like yieldwatch or apeboard) every minute (as often as possible) and liquidate positions depending on the % loss factor of the position. Turn lp back to stables. On every blockhain like yieldshield Thanks

    $570 (Avg Bid)
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    37 bids
    Blockchain - Website 3 days left
    VERIFIED

    Need a good developer for website.

    $50860 (Avg Bid)
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    Hi, I am looking for an MEAN Stack developer who has experience in Web3 and Smart Contract Integration. We will prefer someone who can take up work quickly and start right away. More details in chat

    $14 / hr (Avg Bid)
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    NFTswitch.xyz 3 days left

    Contact email - @protonmail .com We have multiple SOL communities backing our launch. All work will be Audited. If the right fit an equity Share will be available. If serious send a real email.

    $20 / hr (Avg Bid)
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    8 bids
    Blockchain project ($1000) 3 days left
    VERIFIED

    Need a reliable developer for this project.

    $946 (Avg Bid)
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    59 bids

    High level description: We have: 10,000 NFTs with metdata We need (high level): -Someone with experience of launching an NFT on ETH and Opensea, and a good understanding of Web 3.0 and Smart Contract Development. You will have to guide me on some aspects too, on the best way to mint etc. -A NFT Wesbite -A login for NFT holders (maybe metamask) Functions for NFT Holders: - Accept an Agreement after login and enter their name and address (only need to do this once, unless the NFT holder changes), date timestamp must also be stored for acceptance of agreement. - Ability to Submit a Proposal - Ability vote on proprosal - Ability to view table/rankings for proposals - Admin should be able to view and accept proposals amongst other functions Good english speaker required and you will need to ...

    $1596 (Avg Bid)
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    Urgent blockchain website 3 days left
    VERIFIED

    Need an individual who is competent.

    $769 (Avg Bid)
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    53 bids

    Need a competent individual for this project.

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    I am looking for expert Solidity with over 2 years of professional experience.

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    40 bids

    We are looking for a Senior Smart-Contract Engineer to take ownership over the development of the most innovative DeFi yield aggregator. The ideal candidate will have solid smart contract proficiency, strong technical leadership, a keen understanding of financial concepts, and a consistent track record of solving critical engineering problems.

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    I am looking for someone who is an expert in writing automation or auditing scripts in javascript and smart contracts. Will discuss more with best candidates. Thanks.

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    Ico smart contract 2 days left
    VERIFIED

    I need an Ico contract that works as escrow for holding and distributing tokens to the proper said people. Must be fore multiple escrows at a time handling different projects,

    $30 - $250
    Sealed
    $30 - $250
    33 bids

    Hi I m looking for a blockchain developer who have strong experiences in smart contract. I m adding chainlink VRF function on my smart contract. If you have experiences in smart contract and chainlink VRF function in past then please proposal I will hire soon if you are the correct person for my project thanks

    $18 / hr (Avg Bid)
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    37 bids
    NFT Smart Contract 2 days left
    VERIFIED

    I need a qualified professional to help write a Smart Contract on ERC. The contract will involve NFT sales initially followed by Staking and a LP. Pls only apply if you can provide past evidence of successful contracts that have been audited by a verifying body. Budget flexible

    $951 (Avg Bid)
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    71 bids

    Need a competent individual to make this.

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