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.

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    62 jobs found, pricing in USD

    This project will be similar to already existing dapp/game ( [login to view URL] ) based on Tron blockchain. Smart contract code is open source and is avaliable on Tronscan. Job involves new token generation, similar UI, UX and smart contract interagtion, Tronlink wallet integration and everything that is required to make a complete working dapp/game as above. Before bidding, please go through th...

    $2601 (Avg Bid)
    $2601 Avg Bid
    15 bids

    This project will be similar to already existing dapp/game ( [login to view URL] ) based on Tron blockchain. Smart contract code is open source and is avaliable on Tronscan. Job involves new token generation, similar UI, UX and smart contract interagtion, Tronlink wallet integration and everything that is required to make a complete working dapp/game as above. Before bidding, please go through t...

    $1249 (Avg Bid)
    $1249 Avg Bid
    5 bids

    I would like to connect already existing code to a crytpocurrency exchange. The exchange being binance

    $180 (Avg Bid)
    $180 Avg Bid
    5 bids

    I am in process of launching a company with a partner that is focused on solving a very specific but also very large problem in the travel industry. Our current design requires a non-fungible token (we are not even certain, honestly, that a token is better solution than maintaining the records in a traditional, centralized database, but our current feeling is that it is creates more future opportu...

    $149 (Avg Bid)
    $149 Avg Bid
    2 bids
    DeFI Blockchain DEveloper 6 days left
    VERIFIED

    similar mechanism like [login to view URL] with differenet details about rewards and pools Looking for dev to make it and he should did same project before you will start with the smart contract and after you finish it you will send it to me as .sol and i will deploy it then you will start the part about the web design the milestone payment will be start after the smart contract of defi ...

    $1278 (Avg Bid)
    $1278 Avg Bid
    19 bids

    i need a good developer, who's looking to work for a long term on a crypto currency exchange project, the developer must have experinece in building an exchange that supports; spot trading margin trading ecr20 token listing algorithms must be efficient with mean stack, [login to view URL] or ruby on rail. pls only bid if you have done something similar to this project before. willin...

    $2475 (Avg Bid)
    $2475 Avg Bid
    7 bids
    ERC20 Trading Application 6 days left
    VERIFIED

    Looking for someone that could help me build an application to front-run pending transactions on the Ethereum network when I buy and sell manually on uniswap contracts. Pretty much I just want to ensure that when I put a transaction through, that I'm prioritized over as many pending transactions that are currently pending as the gwei is auto-adjusted to front-run as many as it can. of course,...

    $1635 (Avg Bid)
    $1635 Avg Bid
    11 bids

    We are looking for a seed funder or an angel investor to join a new cryptocurrency project and provide the required fund of the token listing on a major cryptocurrency exchange for pairing the token with Ethereum. This project has current 10 billion minted tokens and the whole technical support and implementation stages have been completed successfully. Investor will receive 50% of the whole minte...

    $50000 (Avg Bid)
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    3 bids
    Project for Milan 6 days left
    VERIFIED

    to add logo on uniswap trading peirs

    $61 (Avg Bid)
    $61 Avg Bid
    17 bids

    Hello, I need a very beautiful ui and mobile responsive dogecoin template for gc script. User need to register with his dogecoin address and password to login. It has to be dogecoin template and it has to be connected to dogechain api so users can be seeing their transactions on dogechain scan.

    $138 (Avg Bid)
    $138 Avg Bid
    4 bids

    development of BlockChain project : [login to view URL] to lisk [login to view URL] and sidechain [login to view URL] explorer [login to view URL] deployments [login to view URL] "lisk" name according to our requirement. [login to view URL] the address prefix

    $833 (Avg Bid)
    $833 Avg Bid
    11 bids

    [login to view URL] ethereum Base Defi (decentralised finance) token YFI ,SUSHIS 2. Our user add liquidity as USDC, USDT, DAI like function [login to view URL] . org/#/ swap their liquidity token use to our website user earn more our defi token . just like bns. finance also this liquidity token use for our swap and user also load liquidity to our website pool similar app.uniswap. org/#/ sw...

    $3889 (Avg Bid)
    $3889 Avg Bid
    1 bids
    Smart Contract 6 days left
    VERIFIED

    Looking smartcontract, smartdity blockchain developer

    $359 (Avg Bid)
    $359 Avg Bid
    5 bids
    Real Estate Website 5 days left
    VERIFIED

    I need a website similar to [login to view URL] that will include 2FA security and be powered by the Blockchain.

    $945 (Avg Bid)
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    15 bids

    A yield optimizer platform with valued strategies regularly uploaded on Binance smart chain, I can provide the protocol to fork

    $2750 (Avg Bid)
    $2750 Avg Bid
    2 bids

    The project is a Blockchain Approach to Tax Administration in Nigeria. How Blockchain can aid compliance among tax payers (SMEs) Small and Medium scale Businesses. The work proposed Blockchain application Which can be test run among selected SMEs. It's expected that the proposed Blockchain solutions will cover tax collection, tax remittance. There should be options for remittance either...

    $112 (Avg Bid)
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    3 bids
    I need a Tron based MLM project 12 days left
    VERIFIED

    Do not bid if you do not have any experiance of solidity programming. I need a MLM system based on Tron blockchain. please check image attached.

    $1098 (Avg Bid)
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    14 bids

    I want Hire TRon Dapp smart Contract : TRON HYIP What kind can you do? Offer work price? How many days work to finish final? Send me a sample of the website? TRON HYIP TRON INVESTMENT TRON MATRIX TRON ROI INVESTMENT PLAN Tron Token Smart Contract ex : [login to view URL] [login to view URL] [login to view URL] ++++++++++++++++++++++ What kind can you do? Offer work price? How many days work t...

    $872 (Avg Bid)
    $872 Avg Bid
    5 bids

    The project is an simple 3-4 hour job. Solidity Smart contract for Tron (TRX) TRC20 The contract should work like described: Deposit: - 90% from deposit goes into smart contract balance - 8% goes to marketing address (address will be defined by me) - 2% goes to contract creators address Speciality on deposit: - every address is allowed to deposit only one time; if an address tries to deposi...

    $419 (Avg Bid)
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    6 bids
    GAMIFIED WEBSITE/FORUM 4 days left
    VERIFIED

    Virtual World/Marketplace for Desktop/IOS *Similar to Decentraland* [login to view URL] and Super Rare [login to view URL] Includes: Blockchain Marketplace for hosting artwork, selling and reselling (secondary market) Set up an online community for users to particulate in discussions, get feedback from peers from virtual communities, engage in social networking, upload videos, and upload user ge...

    $2902 (Avg Bid)
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    17 bids

    I am seeking a smart DApp developer who can assist me with various development. If you are not responsible, communication less dev, please skip my proposal.

    $30 - $250
    $30 - $250
    0 bids
    Cryptodevel 4 days left

    Cryptocurrency development, smart-contract development, cryptoexchanges development

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

    Looking for experienced solidity / ethereum developers who can assist me with creating a lending platform like [login to view URL] Please check out the platform and its functionalities, after that, please write HERETOHELP at the start of your bid so I can respond

    $2061 (Avg Bid)
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    13 bids

    Python code that scrapes all trades and transactions of a given Ethereum address I’m looking for someone to write a simple python 3 code that scrapes an address for all transactions including all historical trades that an address executed on uniswap V1 and V2 on the ethereum network. a. I'm counting on the developer to research and choose a publicly available API as part of the proje...

    $223 (Avg Bid)
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    10 bids

    We are looking for an Academic Content writer who is well versed in Blockchain Development having knowledge in Elliptic Curve Digital Signature Algorithm, Hyperledger Fabric, Hyperledger Composer, Algebra and Python/C++. We request you to start your message with the solution for 50+05, so that it will be clear that you have read the instructions. Don't reply if you don't have a portfol...

    $126 (Avg Bid)
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    2 bids

    Shopify store selling premium retail home use kitchen utensils, coffee equipment and health products. Looking for software developers to help create a website that automates connecting wholesale suppliers with individual retail sales to generate revenue at a small markup. Modeled on drop shipping whilst integrated with blockchain technology, this software should execute smart contracts, and set of...

    $13 / hr (Avg Bid)
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    28 bids

    We are from an IT consulting firm and an online tutoring company One of our client is in need of project assistance in the Blockchain - Network Security - computation and information technology We need the work to be completed in 3 days from now so only if you are available immediately to work on our project please bid

    $6 / hr (Avg Bid)
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    1 bids

    Need someone to make a front running bot that is fairly simple to use and will help me automatic trades based on a certain criteria

    $1196 (Avg Bid)
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    8 bids

    I request the creation of a program that predicts the crash point with as close to 99% accuracy as possible on Roobet Crash Willing to pay $200 for the program.

    $218 (Avg Bid)
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    5 bids

    An Automated Cloud Based Bitcoin Mining Software is needed Must connect directly to the blockchain wallet. It will be installed into a secure VPS That minimum parametred daily results in mined generated coins must be 0,215 BTC per each 24 hrs mining process as an absolute stable minimum. Bring in your best solutions, custom coded mining scripts and API's, in a totally effective mining au...

    $977 (Avg Bid)
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    9 bids
    ERC20 tokens and ERC20 USDT 3 days left
    VERIFIED

    Need to integrate erc20 tokens and erc20 USDT into a peatio exchange ([login to view URL]). We are currently running an Ethereum full node(Geth).Please only bid if you can work of github link. We are only interested in this version of peatio. Developer must use own environment. Solution must be well documented and tested.

    $222 (Avg Bid)
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    5 bids

    We have minted 10 Billion tokens through an ERC20 project and need an expert for converting them to Ethereum. Up to 20% of the whole minted and converted tokens will be sent to developer's wallet immediately.

    $34159 (Avg Bid)
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    9 bids

    [login to view URL] ethereum Base Defi (decentralised finance) token YFI ,SUSHIS 2. Our user add liquidity as USDC, USDT, DAI like function [login to view URL] their liquidity token use to our website user earn more our defi token . just like [login to view URL] also this liquidity token use for our swap and user also load liquidity to our website pool similar [login to view URL] combinat...

    $250 - $750
    $250 - $750
    0 bids

    Working on a startup project Our company currently has 7 team members and we are looking to onboard more solidity developers to help us. We are looking for developers who have experience with functions such as staking, creating pools/staking pools, creating smart contracts, token creation, yield farming, DeFi, etc. If you have experience with the above and are confident in your coding skill, pl...

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

    Looking for experienced and talented ethereum solidity developers who are interested in being a part of a large scale fintech project that will provide them with financial freedom and success. Please do NOT waste my time If you do not have experience with solidity, smart contract, ethereum, bitcoin development, then DO NOT APPLY!!!

    $37 / hr (Avg Bid)
    $37 / hr Avg Bid
    30 bids
    Masternode 3 days left
    VERIFIED

    help me with setup my masternodes to do mining

    $32 (Avg Bid)
    $32 Avg Bid
    4 bids

    CONTRACT SCOPE OVERVIEW: 1) This is a unilevel autopool. 2) Everyone who registers has the choice of 8 different Tron packages to choose from to enter the contract. 3) Everyone can buy one or all the packages and if they choose they can buy multiple packages in any number they want with no qualifications or limits. However, each registered package payment must be done on a unique wallet address. 4...

    $1234 (Avg Bid)
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    7 bids
    DeFi Solidity 3 days left

    I need 2-3 hours of time from an expert in Solidity to help me with some basic tasks for a contract I'm writing in the DeFi farming space. It would be simple for an experienced developer in Solidity, need to understand how to decipher the workflow in an existing set of contracts and tweak some settings. Can look at [login to view URL], [login to view URL] for examples of what we are doing.

    $507 (Avg Bid)
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    5 bids

    I am looking for some Blockchain Developer who can help to make a Decentrallized Swap Exchange Like UNI Swap. I need it urgently so please bid Fast.

    $461 (Avg Bid)
    $461 Avg Bid
    5 bids
    Solidity Developer for AMM 3 days left
    VERIFIED

    Looking for a top solidity developer to fork an AMM and make a few upgrades to the infrastructure and smart contracts. Must have previous experience with AMM's. Please submit previous work and Github.

    $1310 (Avg Bid)
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    10 bids

    Looking for an experienced crypto/blockchain programmer who can write a python script to fetch prices for selected trading pairs from a decentralized exchange in realt-ime from a public node service like infura using websocket implementation. Shouldnt take very long for an experienced programmer. Details of projects in the attached .pdf

    $150 (Avg Bid)
    $150 Avg Bid
    5 bids

    Looking for freelancers for blockchain code review: 1. Minimum 2-3 years of experience in blockchain 2. Prior experience of code review 3. Good understanding of the blockchain technology Job Responsibility: 1. Conduct code reviews i.e. check the code for its quality, consistency, readability etc 2. Provide performance review and feedback

    $41 / hr (Avg Bid)
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    4 bids
    Defi erc20 token developer 2 days left
    VERIFIED

    Need new defi project with staking lend and yield farming

    $20 / hr (Avg Bid)
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    9 bids

    Hi, How are you? I need to create an NFT Token. Similar to an example: [login to view URL] Requirement: - Knowledge of creating and securing ERC-20 token and connecting ERC-1150 NFT. - Detailed requirements and project specifications will be provided and the selected candidates. - Design the platform front end [Mobile friendly] - Knows the interactions with Web 3 wallets and identifiers [For...

    $1491 (Avg Bid)
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    8 bids

    I am in need of a very unique set of skills. Namely blockchain development. The concept is simple, and much of the code needed to execute this concept already exists as open-source code. I need someone who is capable of building a website similar to that one of Uniswap. However I would like to add more navigation options. I would like to create a platform that merges the concept of aave (borrow/l...

    $1792 (Avg Bid)
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    9 bids

    Looking for someone to help me build a crypto voucher website. just like this website [login to view URL]

    $2567 (Avg Bid)
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    37 bids
    Mobile app 1 day left
    VERIFIED

    We are building a marketplace for sharing vehicles and are looking for a 7years experienced senior software developer, full-stack with expertise in Nodejs, microservices, iOS. Experienced with blockchain technology (CORDA). The position is offered from remote (no on-site needed). Only candidates that have all the required skills will be considered. No agencies, only individuals shall apply. Ple...

    $12 / hr (Avg Bid)
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    29 bids

    build me a website like binance, make your proposal, no ads,thanks.

    $27 / hr (Avg Bid)
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    29 bids

    We are in search of a 3comma trading bot developer. You will be using trading view, 3 indicators along with binance to create this bot. You MUST have experience developing bots using 3comma. type 3comma at the beginning of your post to show that you read this four-sentence project description to be consider for interview.

    $425 (Avg Bid)
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    6 bids

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