Cadena de bloques 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.

Contratar a Blockchain Developers

Filtro

Mis búsquedas recientes
Filtrar por:
Presupuesto
a
a
a
Tipo
Habilidades
Idiomas
    Estado del trabajo
    230 trabajados encontrados, precios en EUR

    Estamos necesitando el desarrollo de un exchange decentralizado para nuestro proyecto.

    €2029 (Avg Bid)
    €2029 Oferta promedio
    28 ofertas

    Somos NFTcoins. ([iniciar sesión para ver URL]) y estamos en la busqueda de un programador blockchain para la creacion de nuestra plataforma de marketplace NFT. Actualmente nuestro token nativo (NFTCOINS) se puede comprar por Pancakeswap.

    €1027 (Avg Bid)
    €1027 Oferta promedio
    13 ofertas

    Hola, estamos buscando un programador serio y con experiencia en Solidity (Etherum) para desarrollar un contrato inteligente BEP20. El contrato inteligente debe tener las siguientes características: Cada transacción cobraría 3% de comisión y se distribuirán de la siguientes forma: 1% entre los holders 1% se envía una dirección especifica (marke...

    €267 (Avg Bid)
    €267 Oferta promedio
    7 ofertas

    Necesito un smart contract creado en la red de TRON que tenga las caracteristicas de transacciones esto llevado con una token para realizar pagos de productos en mi web y que se registren, tambien necesito que el inicio se secion sea por la wallet y que mediante una consulta pueda registrar esa wallet en una base de datos mysql para no tener replicados de usuarios dentro de la web con los mismos d...

    €8 / hr (Avg Bid)
    €8 / hr Oferta promedio
    5 ofertas

    I want to create my token. The token is based on ERC20. i want pre-sale plan. please bid if you want to help me.

    €210 - €630
    €210 - €630
    0 ofertas

    Hello we need a script or method to check address's in bulk using bitcoin-core in Offline mode using rpc script should be in php py or any way that could scan bulk address and save the result in text file

    €23 / hr (Avg Bid)
    €23 / hr Oferta promedio
    13 ofertas

    I want to create a smart token that has a complete set of features like reflection, auto burn, add liquidity, transferring to a specific charity wallet, anti-whale etc. I will discuss the details with proper candidate.

    €32 / hr (Avg Bid)
    €32 / hr Oferta promedio
    22 ofertas

    Create an ETH token and create a wallet for the tokens. I already have the idea, need someone to turn that in something real. I will need guidance from the freelancer.

    €25 (Avg Bid)
    €25 Oferta promedio
    1 ofertas

    Hello i would like whoever takes this gig to fork a smart contract and tailor it to my needs and launch it on the binance smart chain. You will need to annotate each step of the way and keep in contact [Removed by Freelancer.com Admin for offsiting - please see Section 13 of our Terms and Conditions] to tell me what you are doing, how the smart contract works, help me launch it at on the smart c...

    €623 (Avg Bid)
    €623 Oferta promedio
    18 ofertas

    We are looking for a Pancakeswap fork to be completed for us with some charts included on the layout. We would like a more modernized design for it though such as the Uniswap design but Pancakeswap functionality to interact with the binance smartchain. Please only apply if you have experience doing this and can provide us with 3 references. All applicants must show us their previous projects lik...

    €2214 (Avg Bid)
    €2214 Oferta promedio
    18 ofertas

    Hello! The developer reading this should be familiar with the following terms: AMM Liquidity pool DEX smart contracts Liquidity provider ERC-20 tokens Goal: To Build a DEX that any trader is able to short assets on easily utilizing a Custom set of ERC-20 tokens that are inverse to the current market price of an existing asset. Example: Lets say that AAVE is currently trading at 300$. A custo...

    €6044 (Avg Bid)
    €6044 Oferta promedio
    5 ofertas

    If u are experienced in this field write ur experience and give sample of previous work

    €210 (Avg Bid)
    €210 Oferta promedio
    1 ofertas

    ONLY FREELANCERS CAN BID. NO AGENCIES AND NO PROJECT MANAGERS. I want a BSC Smart Contract Developer to work on [iniciar sesión para ver URL] I am creating a NFT Marketplace. Please see the website before bidding. Presently all the pages are in Laravel Framework. No Fake Bids.

    €125 (Avg Bid)
    €125 Oferta promedio
    13 ofertas

    Looking to develop a music streaming platform, using a smart contract. where all information about the music and the Artist will be retrieved from the blockchain. Music will be uploaded to IPFS. furthe information will be given when requeted.

    €520 (Avg Bid)
    €520 Oferta promedio
    25 ofertas

    YOU SHOULD HAVE EXPERIENCE IN THIS FIELD. DON'T SPAM WITH PROPOSALS IF YOU DON'T HAVE ENOUGH EXPERIENCE *Looking for an absolute expert and price is negotiable depending on what you are bringing to the table. The more features and equipment the bot has, the more I am willing to pay. I need this bot to work on Windows. The standard token of choice the bot should purchase coins with s...

    €1798 (Avg Bid)
    €1798 Oferta promedio
    5 ofertas

    The admin panel will have full control of the sistem User have to register first as a member (with admin option to add custom field in almost every user information) the script will then send activation/verification link to their email. user profile with document upload option User must click activation link on their email to continue After sucessfully activated, user can login to member area/da...

    €408 (Avg Bid)
    €408 Oferta promedio
    5 ofertas

    THIS IS EXCLUSIVELY FOR DEVELOPERS WHO HAVE MADE CASINO GAMES ON ETHEREUM OR BSC IN THE PAST IF YOU HAVE NOT THEN DON'T APPLY you will need to have extensive knowledge about the BSC and ETH Network You will be ready to act now you will need to showcase the games you have made and provide proof you will need to be ready to interview asap Looking forward to hearing from you all Quote me...

    €32 / hr (Avg Bid)
    €32 / hr Oferta promedio
    11 ofertas

    THIS IS EXCLUSIVELY FOR DEVELOPERS WHO HAVE MADE CASINO GAMES ON ETHEREUM OR BSC IN THE PAST IF YOU HAVE NOT THEN DON'T APPLY you will need to have extensive knowledge about the BSC and ETH Network You will be ready to act now you will need to showcase the games you have made and provide proof you will need to be ready to interview asap Looking forward to hearing from you all ...

    €32 / hr (Avg Bid)
    €32 / hr Oferta promedio
    3 ofertas
    Token ICO dapp 6 días left
    VERIFICADO

    I am looking for experienced professional to build ethereum token ICO dapp. Strong skills in ethereum, solidity, smart contracts, uniswap, react.js, etc. required. More detailes with chosen candidates

    €462 (Avg Bid)
    €462 Oferta promedio
    18 ofertas

    Build exchange site. Please bid if you know about blockchain and forex.

    €635 (Avg Bid)
    €635 Oferta promedio
    30 ofertas

    We Need A Blockchain Dev that can fork a project and add extra features BID ONLY IF YOU LIVE IN LUCKNOW INDIA

    €623 (Avg Bid)
    €623 Oferta promedio
    3 ofertas

    Hi, I have a strategy which i would like to translate into automated trading via tradingview pine script. The strategy has to be linked with the Bybit platform and should run automatically.

    €118 (Avg Bid)
    €118 Oferta promedio
    6 ofertas

    Hi i’m JT, the founder of MoonDawg (MDG). We are an entertainment and rewards token with ambitions of democratising the music industry by providing struggling artists access to specialist equipment and a platform to be heard from. I would like to create an NFT marketplace where I can upload content from my artists. I would like to be able to change the royalty % of each upload as needed....

    €9965 (Avg Bid)
    €9965 Oferta promedio
    14 ofertas
    NFT Marketplace 6 días left
    VERIFICADO

    I need someone to help create NFT Marketplace something like Opensea, smart contracts on the BSC Network

    €2778 (Avg Bid)
    €2778 Oferta promedio
    11 ofertas
    Crypto exchange -- 2 6 días left
    VERIFICADO

    I am looking for crypto exchange

    €948 (Avg Bid)
    €948 Oferta promedio
    17 ofertas
    POC for Cold Wallet Crypto DApp 6 días left
    VERIFICADO

    We are looking to develop a cold wallet DApp (Decentralised App) that works with NFC tags. Basically the NFC tag would store the data of public and private keys and with an authentication from the app (if Client ID matches with account and NFC tag) with the NFC tag will allow private key to be ready for transaction such as sending and receiving. As of now we are only looking to do for Bitcoin D...

    €1743 (Avg Bid)
    €1743 Oferta promedio
    27 ofertas

    Очень краткосрочный проект для эксперта по кодированию и криптографии. Мне нужна помощь программиста и эксперта по криптографии, который может проверить советы и взгляды, которые мне дали. Мне нужен эксперт, и я готов заплатить. На самом деле я считаю, что это часовая или двухчасовая работа, чтобы кто-то мог вписаться в свой рабочий день. Он включает в себя скрипты веб-сайтов, исходный код, токен...

    €21 / hr (Avg Bid)
    €21 / hr Oferta promedio
    2 ofertas
    Coding and Crypto Consultation 6 días left
    VERIFICADO

    Very short term project for coding and crypto expert. I need help from a coder and crypto expert who can vet advice and perspective I've been given. I need an expert and I'm willing to pay. In reality I believe this is an hour or two hour job so something someone could fit into their day. It involves website scripts, source code, blockchain tokens. I need this ASAP. Essentially, I hav...

    €42 / hr (Avg Bid)
    €42 / hr Oferta promedio
    3 ofertas
    Connect tronlink on our website 6 días left
    VERIFICADO

    we need to collect tron link fot accept cryptocurrency on our website like metamask

    €142 (Avg Bid)
    €142 Oferta promedio
    1 ofertas
    Cryptocurrency wallet iOS App 6 días left
    VERIFICADO

    looking for a developer to build an iOS cryptocurrency wallet app (and later convert to android) the app functions as an escrow wallet, meaning: - buyer transfers crypto from their own wallet into the app escrow wallet (this is the "deposit") - seller can check that cryptocurrency has been received (then seller can send the product by mail) - when buyer receives product, all parties can...

    €197 (Avg Bid)
    €197 Oferta promedio
    16 ofertas

    Seeking for an expert who are good at blockchain and React This is long term task

    €1079 (Avg Bid)
    €1079 Oferta promedio
    21 ofertas
    Creacion de Criptomoneda 6 días left
    VERIFICADO

    Similar a Cardano, con un wallet propio.

    €1424 (Avg Bid)
    €1424 Oferta promedio
    15 ofertas

    Hello I am finding developer who is experienced in Smart Contract.

    €413 (Avg Bid)
    €413 Oferta promedio
    7 ofertas
    crypto website 5 días left
    VERIFICADO

    I need this pages developed I also need a content writer to write out the contents and the faq sessions I also need you to add api from changeling to enable to enable the purchase of Bitcoin and other coin Check [iniciar sesión para ver URL] it’s a perfect example of what you are creating

    €519 (Avg Bid)
    €519 Oferta promedio
    38 ofertas

    bridge erc20 to binance smart chain for use on pancakeswap

    €163 (Avg Bid)
    €163 Oferta promedio
    9 ofertas

    I want to bridge and new erc-20 token to binance smart chain need this to list on pancakeswap

    €134 (Avg Bid)
    €134 Oferta promedio
    2 ofertas

    PROJECT SCOPE: Build a website with similar user -account functionalities to BNB JEX. The website WILL NOT handle any live trading, and will be used only for educational courses, Limited Functions, No paymentgate.

    €652 - €944
    Destacado Sellado
    €652 - €944
    28 ofertas

    ***********Please Read Proposal First*********** Hello, social media marketers. I want to discuss our project related to ICO marketing. If you are serious, bid with your favorite number. If not, I regard you as a SPAM. Looking forward to hearing from you

    €1028 (Avg Bid)
    €1028 Oferta promedio
    13 ofertas

    Ttfv is looking for an experienced blockchain developer for a 3–6-month project? You will work with a team of international experts for this project. This contract includes multiple sub-projects. Must be experienced with EOS, WAX, react, next.js. We have specifications available for applicants to review upon request. To be a best fit for this project you need: Ability to communicate clear...

    €15 / hr (Avg Bid)
    €15 / hr Oferta promedio
    15 ofertas

    YOU SHOULD HAVE EXPERIENCE IN THIS FIELD. DON'T SPAM WITH PROPOSALS IF YOU DON'T HAVE ENOUGH EXPERIENCE *Looking for an absolute expert and price is negotiable depending on what you are bringing to the table. The more features and equipment the bot has, the more I am willing to pay. I need this bot to work preferably on MacOS, although it would work on Windows as well. Work...

    €3531 (Avg Bid)
    €3531 Oferta promedio
    7 ofertas
    uniswap pancake sniper bot 5 días left
    VERIFICADO

    DM me for the provided functions , I would like this to work on a deployable smart contract to interact swaps with needs tow work with unicrypt dxsales etc.

    €1188 (Avg Bid)
    €1188 Oferta promedio
    5 ofertas
    blockchain developer 5 días left
    VERIFICADO

    My client find a blockchain developer. You will be responsible for blockchain technologies, coin concept, consensus and other terms. Also coin setup from github, node setup etc.

    €13 / hr (Avg Bid)
    €13 / hr Oferta promedio
    22 ofertas

    Crpyto Tokenomics Expert Looking for someone who is able to launch tokens on BNB and on ETH.

    €48 (Avg Bid)
    €48 Oferta promedio
    8 ofertas

    I Need a flash loan deployed I have the contract src code just need help to review it quickly then deploy it on Remix it's a BSC contract so need to be available and aware of how to work with BSC you need the experience to help remotely on this look forward to working with you.

    €29 / hr (Avg Bid)
    €29 / hr Oferta promedio
    13 ofertas

    I am looking to build a centralized crypto currency exchange with some basic features like spot sale & swap. The frontend will have charts / order book data / pending order data etc. Anybody who has some experience in same or who understands how it can be build, can quote for project. Heading should contain 'Jai shree Ram' to check if you have read the entire requirement.

    €1394 (Avg Bid)
    €1394 Oferta promedio
    6 ofertas

    We need a content writer to write our Crypto White Paper and Content for the site must has experience.

    €123 (Avg Bid)
    €123 Oferta promedio
    13 ofertas
    NFT ecosystem 5 días left

    This project is centred on the NFT concept. SCOPE: - Build an NFT ecosystem that allows user to purchase and hold on-platform and on-wallet various NFTs. More than happy to go over all the details with the freelancers I select. Thank you for bidding.

    €741 (Avg Bid)
    €741 Oferta promedio
    9 ofertas

    Our company is launcing a new non-fungible token (NFT) project. We are looking for an experienced Blockchain/Smart Contract Developer to help write, deploy and maintain the Ethereum ERC-721 smart contract for this project. **What you will do:** - Write, deploy and maintain an Ethereum ERC-721 smart contract **What you need:** - Experience writing, deploying and maintaining smart contracts on the...

    €19 / hr (Avg Bid)
    €19 / hr Oferta promedio
    27 ofertas

    I want to developer to create NFT Market Place with TRC721. TRC721 is the standard on building in Tron Blockchain. Freelancer create token on using TRC721. I have developed already NFT market place Frontend. so he must connect with new token and run on flow platform. Before bid my proposal, write "TRC721 NFT" first. Plz feel free to bid my project.

    €210 - €630
    Sellado
    €210 - €630
    4 ofertas