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    84 jobs found, pricing in USD

    Hello - I am looking for someone with solidity, node.js, html5 background to help me with a very simple landing page for a 1/1 NFT collection that enables connection with metamask. The user will be able to access the site, connect their metamask, and mint an ERC - 721 token. The current website can be found here:

    $487 (Avg Bid)
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    37 bids
    NFT Blockchain Developer -- 2 6 days left
    VERIFIED

    Need some guidance on developing smart contract for the blockchain

    $18 (Avg Bid)
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    6 bids

    Need someone to guide me in building my smart contract for NFT

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    6 bids

    Peer to peer ride sharing system using blockchain technology. This project is based on decentralised system. I want to create an Web application which is based on Blockchain technology.

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    3 bids

    I have contracts files by solidity and it's audited and also i have a ready theme by react js, you need to connect the file with theme. You also need to fix if any error comes in working time , like theme & contract file. Your background should from Blockchain Development . if you read carefully my texts then sent me this text -> **r**

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    looking for experienced JAVASCRIPT and VUE front-end developers to replicate 2 front-end boilerplates built with React but using VUE and Javascript (Vanilla/pure), as part of a Dapp project to mint a ERC20 token and another to mint an ERC721 (NFT). These are the 2 repositories: The smart contracts are being provided and you need to use the Bunzz platform to connect them with your boilerplate (video tutorials are provided below). We need 4 boilerplates in total: ERC20 minting with VUE ERC721 minting with VUE ERC20 minting with pure JAVASCRIPT ERC721 minting with pure JAVASCRIPT

    $1350 (Avg Bid)
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    We're looking for multiple Solidity, full stack coders. Experience with ohm forks, tomb forks, Nft games, nodes & validator setups are prefered. Experience on Avalanche, is recommended, BSC, ---Monthly or Hourly Pay-- Please show us your previous works and be prepared to confirm the work. We need you to start right away and do not have time to teach you. You will work with our team at a fast pace. You must speak English and have great communication and work ethic.

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    40 bids

    marketplace nft minting smart contract development

    $600 (Avg Bid)
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    37 bids

    Need someone to guide me in building my smart contract for NFT

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    10 bids
    NFT Blockchain Developer 6 days left
    VERIFIED

    Need some guidance on developing smart contract for the blockchain

    $65 (Avg Bid)
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    7 bids

    i want to create 10000 nft lands on a map in 8 sections, there are 2 types of NFTs, regular and premium, there are 2000 premium lands. The nft should be mintable on my site and users be able to choose the land on map (hoverover, click,svg)

    $145 (Avg Bid)
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    15 bids
    Build a dapp 6 days left

    I need a dapp to be created on AVAX network, this is a simple staking and reward distribution dapp. So basically the dapp works like this: SWAp/token sale profits will go into a treasury, then rewards gets distributed from treasury to stakers account.

    $603 (Avg Bid)
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    Hello everyone. here is Edin who is needed staking platform. I have already pre-saled tokens and need to create staking for this. If you've ever already created successful staking DApp then it's big plus for this. I'll follow it. Please...

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    We would like release a full length video using either kspec coding or a pinning service to house the video. The name of our unstoppable domain is

    $4500 (Avg Bid)
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    6 bids

    We would like release a full length video using either kspec coding or a pinning service to house the video. The name of our unstoppable domain is

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    Featured NDA
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    We are working on building a presale/ICO launchpad on the binance smart chain. Looking to hire an experienced developer to work with us and be a part of the team.

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    NDA
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    12 bids

    We are working on building a presale/ICO launchpad on the binance smart chain. Looking to hire an experienced developer to work with us and be a part of the team.

    $2200 (Avg Bid)
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    24 bids

    need to fix the bug "execution reverted: Pancake: K"

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    Hello! We need a contract for 2500 NFT collections. - ERC721 smart contract Required for crowdsale NFT minting. - Metadata and API build, configuration and compiling. 2500 total maximum NFT's will be minted. Each NFT minted will be 1 of a kind calculated from a predefined list of trait data via ERC721 algorithm. -the collection has not been scratched yet. -codes of all items will be written according to the rarity table. -pre-sale and public sale will be made. -mint will be made on the site. -for security reasons, all known attack codes will be written into the contract. If you do not know the codes, they are provided to you. We can create on the Solana network or the Binance network. A detailed guide file or deployment video will be sent by you on how the contract is deployed. Yo...

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    I have a NFT Fund & P2E Guild with around 3000 members, my business partner & CMO has around 8+ million followers, @millionaire_mentor on IG We’re looking to tokenize the Guild and we need a good developer in our team Our Tokenomics & token ecosystem is as follows: Two tokens: 1 Utility token 1 Governance DAO Token We would need: Smart Contract creations Tokens Creations NFT creations UI/UX Dashboards for stakers Integration with API’s to track quest achievements Etc

    $528 (Avg Bid)
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    Hello there, I am looking for 3-5+ years experience developer in web3, solidity. Interested developers can bid. Happy bid.

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    10 bids

    Hello there, I am looking for 3-5+ years experience developer in web3, solidity. Interested developers can bid. Happy bid.

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    8 bids

    Hello! I'm looking for a total expert Smart Contract developer to help on multiple NFT projects we're launching. I need someone that can work fast and has experience with NFT staking. I'm looking for a skilled smart contract developer to bring on board. I'm looking for an expert that can accomplish things in 1/10th of the time it would take someone else, and who wants to do multiple projects together consistently over the next few months. SPEED is the most important thing to me so we can capitalize on new market trends. If you have front end experience that would be incredible. I will be hiring in the next 24-48 hours. Please include your experience and portfolio with smart contracts. Looking forward to hearing from you!

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    I need you to develop some software for me. I would like this software to be developed for Windows using C or C++.

    $475 (Avg Bid)
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    tokenize a game 5 days left

    I have a game created and I need to add a cryptocurrency to it, the game is made in javascript

    $174 (Avg Bid)
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    Expert on solidity 5 days left
    VERIFIED

    I need 1-2 hours in solidity advice, please give you hour rate in solidity.

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    Fork and Edit a Solidity Contract for Us ( BSC Contract) We need to add rewards, and team taxes in BUSD or BNB.

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    necesito un marketplace que funcione en la red tezos

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    Im in search for a developer who can make me an NFT marketplace. Preferably someone who has previous knowledge in the DeFi space. I need someone that can do everything from backend to frontend to integrating contracts into the platform, UI/UX, and be able to work with ERC721 and the ethereum/avalanche chain. Something along the lines of:

    $5268 (Avg Bid)
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    looking for solidity developer to help me fix bug

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    Hi I am looking to hire a well-experienced blockchain developer for my team's upcoming NFT project. We are in process of launching an NFT Project -Blockchain stack Ethereum, Avalanche, Solana, Polygon, Immutable X and Cardano -Responsibilities smart-contract metadata upload 2 Web landing page with full metadata upload, smart contract, whitelist interrogation, public sale interrogations 1 website company page like Larva Labs metamask integration whitelist integration Website creation Website Design -Must have experience NFT marketplace NFT minting site Smart contract audit, writing and optimization Blockchain NFT Game development. Trading bot. Please bid if you really want in team. NOTE: Don't bid if your hourly rate is less than $30.

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    ERC-20 on Ethereum that has to have a settable sell tax which will get burned to a dead wallet. + prevention against front-running(sandwich) bots. Please chat me and greet me with "Hi CYBR" in order for me to know you are not spammers/bots.

    $29 / hr (Avg Bid)
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    I need you to develop some software for me. I would like this software to be developed for Windows using Java.

    $1135 (Avg Bid)
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    Develop a online blockchain farming plant game integrated some blockchain technology. for example swap assets with my token, marketplace, nft, sandbox. like this:

    $2030 (Avg Bid)
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    Our team is looking for a solidity expert who has strong experience with launchPad smart contract development. - At least +3 years experience with Solidity - LaunchPad experience (Need to show the previous work) - Full time work. 40hr/week - Sync with dev team - Skill test Start your proposal with "LaunchPad Development".

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    Hi I need a flash loan create for the AAVE network also I will need you to explain to me which lines I need to change in order to arbitrage which different exchanges. Thank you

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    Looking to build an NFT dapp series where users can interact with an NFT series, generate, buy, sell etc.

    $50 / hr (Avg Bid)
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    smart contract expert needed 4 days left
    VERIFIED

    Please message if you can assist with a current smart contract! It will take 2~3 hours to finish if you are expert. Thanks

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    Create a crypto token 4 days left
    VERIFIED

    The project consist of building a crypto token using Ethereum blockchain.

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    Hi, Freelancers I need nft market place similar to OpeanSea. If anyone can do this, feel free to contact to me. I'll discuss more detail via chat. Thanks.

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    Include "Happy new year" in the proposal , then only I will consider ! You should know web3 You should be proficient at react need to make a similar platform like this - you should have knowledge of blockchain you won't be writing any solidity code you just need to make front end and integrate it with the contract .

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    NFT Marketplace -- 2 4 days left
    VERIFIED

    We are looking to built an NFT marketplace to be connected to our gaming project. The NFT project should be built on the top of Ethereum and Polygon. Users should be able to use both ethereum and polygon wallets. The NFT marketplace should include digital and physical assets.

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    We are producing an NFT game. Benchmarks: We have a person who is in charge of designing the game's NFTs. The marketing structure (influencers / investors for the game to start / community management) is ready too. I need a person who makes the game contracts in solidity. (It will run on binance smart chain) That includes: Consulting and monitoring to ensure project safety NFT Mint contract ERC 20 Token contract Token pre-sale contract Vesting Coin burn governance If the company has experience with game development, we also analyze proposals.

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    I want to integrate Sushiswap swap module into my webapp. Just "swap" without "limit" or "liquidity" functions. This module in sushiswap works with "bsc" "polygon" "ethereum" and "avalanche" chains. Swap module:

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    I have 38600 NFTs and I want to mint them all myself and then put them on sale on my website. I want to create the smart contract on Polygon Blockchain and then sell my NFTs on USDC.

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    Build minting/staking system. 4 days left
    VERIFIED

    I need to build a staking system with own coin, backend and frontend, based on ours nft located in the Eos/wax network.

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    Hello ALL! I have found a few pairs of assets on dexscreener that are listed on trader joe dex. They appear to be some sort of options token pairs for shorting I believe. Here are the links on dexscreener and their corresponding link on snowtrace for the pair. Pair 1: 88.50 AVAX/usdc.e Snowtrace code Pair 2 AVAX-45.5/ USDC.e Snowtrace Code I need someone to tell me EXACTLY in depth how each of these acquires their price so I can trade them correctly! thank you!

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    Pancakeswap Expert 3 days left
    VERIFIED

    I am looking for a pancakeswap expert that integrate the smart contract with the frontend. I have solidity dev so he deployed many contracts on BSC testnet. I can provide right candidate my frontend and smart contract(address and source code). if you have an experience in pancakeswap fork development, please apply with your past work. cheers.

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    Looking for expert solidity developer who can develop website which have landing and borrowing protocol in solidity

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    Hi As we are a digital agency, looking for a solidity developer with good experience. We are going to create an NFT game and Art design will be done soon. Please apply, if you have power hands on experience with this area. Looking forward to hearing from you soon Thanks

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