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

Filter

My recent searches
Filter by:
Budget
to
to
to
Type
Skills
Languages
    Job State
    255 jobs found, pricing in USD

    Hi, we're looking for a web developer who are proficient with coding and has an experience with building blockchain game. We are a start-up company looking to create a mobile game in which its system runs with cryptocurrency. We are considering two ways to develop the game which is whether to build the game from the scratch or to buy a source code and develop from it. Please refer to the tem...

    $1156 (Avg Bid)
    $1156 Avg Bid
    17 bids

    Is there an any way that I can create a specialize interactive NFT that will use the front face camera on a mobile device? It's basically an interactive NFT. Also, can I sell this special type of NFT on the Open sea platform?

    $37 (Avg Bid)
    $37 Avg Bid
    4 bids

    Hi, I am looking for a senior NFT & Blockchain developer that can create the smart contracts across various networks. If you have experienced, please send some example websites you have created. I will be building the project on [login to view URL] and you will need to have JavaScript experiece as well.

    $23 / hr (Avg Bid)
    $23 / hr Avg Bid
    23 bids

    Hello I need experienced solidity developer to fix errors while deploying contracts into Binance Testnet deployment We need to deploy testnet first and make everything works and then connect api and marketplace Source code [login to view URL] Error we got while deploying to testnet is Fail with error 'Ownable: caller is not the owner'

    $586 (Avg Bid)
    $586 Avg Bid
    18 bids

    I need a new coin developed on binance smart chain. Very simple design, only features necessary are programmable reflection, timelock. Front end development should be included in bid. IOC needed too. Budget for everything is $500

    $698 (Avg Bid)
    $698 Avg Bid
    9 bids
    Blockchain and SMS project 6 days left
    VERIFIED

    I am creating an iOS and Android app where blockchain development is key.

    $8965 (Avg Bid)
    $8965 Avg Bid
    23 bids

    Hello, we need an account manager to manage our company's forex account worth $10000 equity. only experience freelancers should bid, thanks.

    $3000 - $5000
    $3000 - $5000
    0 bids

    Hi, i am looking for expert that can modify my smart contract to pass pdf via this smart contract. This was my requirement in start time, but almost done: 1. I need smart contract to create NFT for the certification(pdf) 2. the app calls back the blockchain addresss tx from API Already compiled this using truffle and deployed compiled smart contract in rinkeby. And developed node js script for a...

    $30 - $250
    Sealed
    $30 - $250
    4 bids

    I need to create new decentralize application and combine with my social media app..need blockchain developer

    $22 / hr (Avg Bid)
    $22 / hr Avg Bid
    11 bids

    We’ve established a startup that will focus on NFTs for physical objects and attached legal contracts using smart contracts and we’re currently looking for a driven and talented developer who can help us build our beta platform. More information to follow during introductory meeting/VC.

    $39 / hr (Avg Bid)
    $39 / hr Avg Bid
    23 bids

    looking for a Solidity developer to write and launch a relatively simple ERC-20 smart contract. The work will be writing the contract and seeing through to launch. The token will have automated burn and monthly distribution elements based on relative purchase and contribution to specified wallets. Compensation will be negotiated between fiat, stake in the project, or both. Deliverables Fully ex...

    $680 (Avg Bid)
    $680 Avg Bid
    20 bids

    Note: Only bid if you're able to work on this within my budget. I will select the best bid with the required skills. Thank you. I need a system working on blockchain technology, which can be able to sell or buy land repositories (digital transactions of buying and selling of land to different owners) (could be a specific number or token) through a secure transaction method. In simple, you ...

    $200 (Avg Bid)
    $200 Avg Bid
    2 bids

    I am looking for 1-2 talented individuals to assist my team with the launch of a 1500 piece genesis collection. I need someone with blockchain experience that can develop a website with meta-mask functionality along with a token smart contract in the next 30 days. I have provided marketing services for 2 teams that have done a combined 9,000+ Ethereum in sales volume. My goal is to achieve ...

    $12531 (Avg Bid)
    $12531 Avg Bid
    16 bids
    subastas.io 6 days left
    VERIFIED

    auction site, that let's anyone upload, create and sell nft's. the idea is to build a site that could be similar to opensea or rarible. An NFT marketplace

    $1596 (Avg Bid)
    $1596 Avg Bid
    15 bids

    Basic games. I need a professional that can build cryptocurrency game app or not cryptocurrency only games. Send me info about games and cryptocurrency. Experience with building blockchain game. Based on the basic template(which is very similar to Cooper Planet) we created in the first phase, we will add more elements on the website menu. You know how work crypto games? Im game developer and i wan...

    $3653 (Avg Bid)
    $3653 Avg Bid
    13 bids
    Create a Pinksale Sniper Bot 6 days left
    VERIFIED

    Hello guys, I am looking for someone to create a bot for pinksale presales. It should have the following features: 1. Get into the first block of the presale 2. Automatically claim the tokens once the presale is finalized

    $306 (Avg Bid)
    $306 Avg Bid
    6 bids

    We actually search artist for our project so we would like to hire a developer to work with us and the designers on building out our project and bringing the design's to the Blockchain. Please provide your previous experience and projects as we would like to work with your experience.

    $24 / hr (Avg Bid)
    $24 / hr Avg Bid
    24 bids

    I am looking for a blockchain developer who has experiences in crypto wallet

    $25 / hr (Avg Bid)
    $25 / hr Avg Bid
    6 bids

    To create a non-fungible token (NFT) marketplace website on the cardano blockchain. Professional and modern UI/UX design, integrated NFT smart contracts, NFT mint engine, wallet integration of choice, metadata viewing access, how-to/FAQ guide, and contact page. 5000USD Max Budget

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

    Hello, I need a backend developer with deep experience in NFT development to create a pilot to simulate an essential marketplace. The pilot will run on a sandbox: we are exploring Ethereum L2 protocols in order to save gas. Basic requirements: - NFTs/Collection creation from metadata - Users can purchase NFTs using credit cards (or a stablecoin like USDC) - Search and display functionalities B. T...

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

    Am seeking for a professional blockchain developer to help me develop crypto wallet app like trust wallet for both android and ios

    $2618 (Avg Bid)
    $2618 Avg Bid
    11 bids

    Hello, I'm looking for a team to turn my MVP/Proof-of-Concept into a mobile app ASAP for iOS App Store and Android Google Play Store. The MVP is coded in Polygon and the smart contract is already created. It’s going to be a mobile crypto wallet with cool features. The marketplace it will link up to is already being created and should be done in the next week. You would also have to hook...

    $1500 - $5000
    Urgent Sealed NDA
    $1500 - $5000
    49 bids
    Clone STEEM Blockchain 6 days left
    VERIFIED

    I am looking for a team to fork the STEEM blokchchain and install it on our private cloud

    $16445 (Avg Bid)
    $16445 Avg Bid
    37 bids

    I have already site coded to html. I need same function of coindataflow will give more details if you seem alright to me. my minimum budget is $1200+

    $1311 (Avg Bid)
    $1311 Avg Bid
    27 bids

    I’m working on authentication on internet of vehicles using blockchain It’s a phd problem I only want a code and implementation in omnet++

    $165 (Avg Bid)
    $165 Avg Bid
    5 bids
    Fork of pancake swap 6 days left
    VERIFIED

    We need a fully functioning fork of pancake swap or can be another DeFi based platform as well. Maximum acceptable bid will be $275.

    $198 (Avg Bid)
    $198 Avg Bid
    7 bids

    We have a project which has incurred some hick ups from sending the 'send coin' signal from wallet to wallet - we require experienced block chain developer to troubleshoot the issue and help us re-connect. Need to hire someone ASAP

    $15 / hr (Avg Bid)
    $15 / hr Avg Bid
    18 bids
    Implementação de API 6 days left
    VERIFIED

    Possuo um sistema [login to view URL] que peguei na internet e preciso criar algumas modificações. Precisa entender de api , pois será implementado API de plataformas como blockchain e binance. [login to view URL] [login to view URL] Contact (removed by Freelancer.com admin)

    $118 (Avg Bid)
    $118 Avg Bid
    6 bids

    Ox21 domain project Based on IPFS, and decentralized database Work with Ox21 app Every dealer has his Ox21 domain at a cost, contains letters and numbers, space is allowed between letters or numbers, no two or more spaces in a roll, not for the leading or ending Regular cost at 1 JIN, which is US6 for length of 6 or longer, Shorter domain more expensive, 5-digit domain, 100 JIN 4-digit domain, 10k...

    $647 (Avg Bid)
    $647 Avg Bid
    6 bids
    Goose finance fork 6 days left
    VERIFIED

    I want to implement "Auto compounding" feature to this Goose finance fork. Now that fork has "farms, pools, vault" pages running. but auto compounding is missing.

    $300 (Avg Bid)
    $300 Avg Bid
    1 bids

    Request details Looking for someone who has rich experience in smart contract development as well frontend for dapp. It's neccessary to have knowledge about ethereum token standard such as ERC721, ERC20, ERC 1151, etc in-depth. Let me share more detail on chat.

    $237 (Avg Bid)
    $237 Avg Bid
    12 bids

    I am interested in speaking with you about my existing NFT project and helping me get it into Beta Testing.... I created an interactive NFT application minted on the Hicetnunc platform, I need to allow the nft to unlock features when viewed on IPFS. Currently the interactive NFT I created works (unlocks download feature if user owns it), but Hic does not allow for downloads within their iFra...

    $33 / hr (Avg Bid)
    $33 / hr Avg Bid
    26 bids

    I require a bot purchase airdrop in atomichub without open browser

    $462 (Avg Bid)
    $462 Avg Bid
    12 bids

    -RWA loan able nft . -India rupee on blockchain -defi for Indian market .

    $2927 (Avg Bid)
    $2927 Avg Bid
    1 bids
    PanCakeSwap fork -- 2 6 days left
    VERIFIED

    I have already created PanCakeSwap fork. Need to fix some details, make presale contract and integrate it, host it. React.js

    $140 (Avg Bid)
    $140 Avg Bid
    2 bids

    Нужно разработать NFT магазин на базе [login to view URL] [login to view URL] [login to view URL] Или можете предложить иную базу для проекта. Вся деятельность по задаче будет оплачена. Начнем с ресерча, напишем совсместно с вами и архитектором проекта тз и начнем работы. Работаем по таймтрекеру, Hubstaff. В отклике укажите: 1. Юзернейм в telegram 2. Часовой пояс 3. Рейт (желаемая ставка в час...

    $20 / hr (Avg Bid)
    $20 / hr Avg Bid
    2 bids

    Looking for a team to build the interface of crypto exchange with desired features

    $1523 (Avg Bid)
    $1523 Avg Bid
    14 bids

    Hi, I am looking for a fulltime Full Stack, Frontend, Backend, Developers Developers to start immediately. - At least 2 years experience in GIT. - We are only looking for freelancers (strictly no company) - You can work Fulltime. - I need your Updated Resume - Please Provide your GITHUB.

    $12 / hr (Avg Bid)
    $12 / hr Avg Bid
    34 bids

    IMPORTANT - PLESE READ - I don't need you deploy me a token I need somebody who can tell/explain me, what value to input on constructor argument "cInitializer" when deploying my own code (see attachments) - How to pre-deploy the Cashier - How to set "SetToken" Contract Code: [login to view URL]

    $33 (Avg Bid)
    $33 Avg Bid
    3 bids

    Hi, I am looking for someone who can fork Pancakeswap. Here are the detailed requirements. Please go through these carefully: 1. PancakeSwap Fork with our UI Customization 2. We need the following features: Swap, Liquidity Pool, Farming, NFT Marketplace, IDO 3. We have a pre-minted deflationary token, we want to create a new MINTABLE token for the DEX to be used as Native token 4. Our website is ...

    $1707 (Avg Bid)
    $1707 Avg Bid
    14 bids

    Hello, i am looking for blockchain developer with good experience for long term work

    $521 (Avg Bid)
    $521 Avg Bid
    16 bids

    Hi, we're looking for a web developer who are proficient with coding and has an experience with building blockchain game. We are a start-up company looking to create a mobile game in which its system runs with cryptocurrency. We are considering two ways to develop the game which is whether to build the game from the scratch or to buy a source code and develop from it. Please refer to the tem...

    $1298 (Avg Bid)
    $1298 Avg Bid
    51 bids

    NFT marketplace on Binance Smart Chain I am looking for the developer can build the NFT marketplace on Solana or Binance Smart Chain blockchain. Will allow users to add one NFT or entire collections. Interface similar to Opensea and Niftygateway. We will decide which blockchain we finally use when we select the freelancer. We are still gathering info. Requirements : - You must have built at ...

    $10285 (Avg Bid)
    $10285 Avg Bid
    21 bids

    Kadena blockchain nft collection Marketplace Minting It requires pact programming language experience

    $4738 (Avg Bid)
    $4738 Avg Bid
    11 bids

    I'm looking for a freelancer who can transcribe a 100 minute audio file. Should be fast too. Also, familiar with blockchain.

    $342 (Avg Bid)
    $342 Avg Bid
    73 bids
    Smart Contract Expert 5 days left
    VERIFIED

    Our company is looking for professional blockchain developer who has rich experience in smart contracts(5+ years), solidity, solana and rust Selected developer will work on smart contract field with our team.

    $2176 (Avg Bid)
    $2176 Avg Bid
    29 bids

    COMPANY OR TEAM DO NOT APPLY..ONLY INDIVIDUALS ARE WELCOME..WE WANT INDIVIDUAL GUYS IN FULL TIME BASIS FOR A LONG PERIOD. Requirement of a FULL TIME Blockchain developer who have a knowledge in NFT [login to view URL] talking with you and discuss your [login to view URL] can only discuss the project after you have signed NDA and IP with us. The company is a UK based company details will be [login...

    $1347 (Avg Bid)
    $1347 Avg Bid
    10 bids

    We need a developer for the Solana blockchain that we can trust and work with to create up to 7,777 NFTs from 100 - 150 images. Need to program on solana network to allow each NFT to randomly generate when minted. Requirements: -Experience with NFT contracts - Ability to communicate with the team in English. - Trustworthy reputation. - Experience in NFT development. - Be able to work within...

    $1847 (Avg Bid)
    $1847 Avg Bid
    21 bids

    Hi everyone, I am interested in creating a professional and legitimate crypto project on binance smart chain using pinksale (or any other platform). I would love to find a team that have experience from A to Z on crypto creation. This would include: Full set up for presale on Pinksale (or another platform) Assistant for launching on pancakeswap Development of crypto web page - At launch, I ...

    $4909 (Avg Bid)
    $4909 Avg Bid
    17 bids

    We have a new crytpo coin that we would like to promote on an exchange

    $185 (Avg Bid)
    $185 Avg Bid
    11 bids

    Top Blockchain Community Articles