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
    60 jobs found, pricing in USD

    We have created a Blockchain using Hyperledger Fabric. We have a requirement for the creation of a Stellar smart contract as below. REQUIREMENT: Create an asset token on the Stellar Network Create a payment token on the Stellar Network create a Stellar smart contract to exchange the asset token and supporting digitalized documentation for the payment token APIs The APIs have been created fo...

    $876 (Avg Bid)
    $876 Avg Bid
    8 bids

    have a look at the attachment to understand what i need and please let me know what can be done and what can not be done with ERC20 contract. The final contract and features should look like as the attachment.

    $389 (Avg Bid)
    $389 Avg Bid
    8 bids
    Payment method (blockchain) 6 days left
    VERIFIED

    I would like to use blockchain method for payment across the borders for projects. Please give me quotation, your example of work and high level design. I will need to integrate this to my website (which is in the process of development)

    $139 (Avg Bid)
    $139 Avg Bid
    8 bids

    Using the Decentraland SDK I would like the following setup. 2 players have the ability to gamble X amount of MANA/ETH before a door opens. Only when 2 players have submitted their stakes do the doors open. The first player who presses a button, wins and the funds are released to the players wallet. Displayed. This is the assignment in a nutshell. User stories are attached. All code to be heav...

    $2041 (Avg Bid)
    $2041 Avg Bid
    6 bids
    PHP Simple Blockchain ledger 6 days left
    VERIFIED

    I need a simple blockchain for archiving purposes and have too much work to do this myself. Here is what I need. Storage: a chained block (linked) of records (each block should be a static quantity of fixed size records) secure-able by verifying via a hashcode. Creation Timestamp. Multiple Flat files for storage that allows infinite size for archiving purposes. This will NOT use a Database such...

    $560 (Avg Bid)
    Featured NDA
    $560 Avg Bid
    9 bids

    here is social network that is being added to my domain: [login to view URL] code: [login to view URL] I would like the site to be a social network where people (models) can each have an account and people can pay per minute to video chat. Each model will have their own profile page where they can ad updates, pics, images etc. Only models will have the option to video chat and charge money fo...

    $816 (Avg Bid)
    $816 Avg Bid
    10 bids

    Hello im in need for a ERC20 Token Staking Platofrm also a Frontend More info Through Chat

    $350 (Avg Bid)
    $350 Avg Bid
    14 bids

    Tron DApp Smart Contract. A custom smart contract

    $3000 (Avg Bid)
    $3000 Avg Bid
    1 bids

    Hi, we are seeking a blockchain developer who could help us set up a cloud based platform interface.

    $6 / hr (Avg Bid)
    $6 / hr Avg Bid
    2 bids
    looking to hire crypto expert 5 days left
    VERIFIED

    i am looking to hire crypto expert who know crypto api and laravel p2p exchange

    $489 (Avg Bid)
    $489 Avg Bid
    5 bids

    We are looking to create a ERC884 token that can be traded on ETH network. This is a test project and will require to abide by the standards of the Delaware Corporate Law as described in [login to view URL]

    $210 (Avg Bid)
    $210 Avg Bid
    4 bids

    We are urgently looking for an expert in blockchain with experience in the postal and logistic sector, it is for a proposal to a United Nations project that ends today and we want to strengthen it because a partner went out, if you were interested we would need your CV and references this very afternoon.

    $307 / hr (Avg Bid)
    $307 / hr Avg Bid
    10 bids

    I need to run services to provide an cryptocurrency wallet as a service, need only to provide BTC , ETH , XRP , LTC XMR , DASH , DDKOIN wallet, concept like what exodus wallet but with a better nice ui design , need also function for change day and dark mode. The system must have a 2fa authenticator and biometric authentication for security purpose. and every account must have 12 phase code. Need ...

    $1502 (Avg Bid)
    $1502 Avg Bid
    8 bids

    Create simple customer react app using Fluree Database testing the encryption of the block for enterprise edition. using sign auth id.

    $40 (Avg Bid)
    $40 Avg Bid
    2 bids

    Please only bid if you already have a p2p crypto trading platform application and you have a demo to show. Thanks

    $3405 (Avg Bid)
    $3405 Avg Bid
    24 bids
    Dapp and Wallet and ico 5 days left
    VERIFIED

    we want a Dapp, wallet, and want to launch a coin. We prefer a simple UI trading platform. user can store their coin, buy and sell. the wallet also supports cash storing and transfer. I want something like www.binance.com. I know its complex, we don't need all features but security features and trading is needed. ios, android app, and web app.

    $773 (Avg Bid)
    $773 Avg Bid
    11 bids

    Looking for an experienced blockchain developer who understands the logic behind ERC-20 tokens. Requirements: - Create ERC-20 TOKEN - Create YIELD FARMING mechanism (google DeFi) - Create Smart Contracts - Maintain token integrity If you have experience in this field and have worked with other cryptocurrencies in the past or on projects relating to cryptocurrencies such as Bitcoin or Ethereum, ...

    $50 / hr (Avg Bid)
    $50 / hr Avg Bid
    14 bids

    Looking for an experienced blockchain developer who understands the logic behind ERC-20 tokens. Requirements: - Create ERC-20 TOKEN - Create YIELD FARMING mechanism (google DeFi) - Create Smart Contracts - Maintain token integrity If you have experience in this field and have worked with other cryptocurrencies in the past or on projects relating to cryptocurrencies such as Bitcoin or Ethereum, ...

    $5903 (Avg Bid)
    $5903 Avg Bid
    19 bids

    I need write from Europe or American who will write an article about cryptocurrency and web development in English. Also if you have knowledge about SEO marketing, it is plus but not important. If you get more familiar with computer science, it is better

    $99 (Avg Bid)
    $99 Avg Bid
    47 bids

    Hi, i am searching for some one who can help me to create an application wallet connected to a debit and credit card for spending cryptocurrency. To find out more, come talk to me! Thank you.

    $1014 (Avg Bid)
    $1014 Avg Bid
    16 bids
    Ethereum Smart Contract 4 days left
    VERIFIED

    Ethereum contracts with the following requirements: 1. ERC-20 Token based on OpenZeppelin contracts. The token has a fixed supply and is non-mintable. 2. A vesting contract, also from Openzeppelin. Allows lockup of the ERC-20 token for a given timeframe and linear unlocking. 3. A contract that allows holders of the ERC-20 token in Contract 1. to transfer any ERC-20 token without paying gas. The...

    $240 (Avg Bid)
    $240 Avg Bid
    4 bids

    Develop and deploy a Market Making bot on Loopring (DEX) - using Binance or MXC orderbook/mid price (as source of truth). - Bot should be able to react within sub 200 ms on price/ spread changes on Binance or MXC ond post/cancel orders on Loopring - Bot would need some sort of liquidity management (E.g. if we run low on a token we would up the bid/ask in order to buy the tokens back) Not a primar...

    $528 (Avg Bid)
    $528 Avg Bid
    2 bids

    We are launching a DEFI protocol and token in a few days and we are Looking for entry to expert level community management and various marketing specialists to help with our launch. The Ethereum DEFI product will be launched unto Ethereum Mainnet within a period under 2 weeks. The product is a first in its class combining lending with MMO gaming with underlying gamified DEFI protocol token to ...

    $1250 (Avg Bid)
    $1250 Avg Bid
    1 bids

    Blockchain East Project needs to be done in 24 hours

    $24 (Avg Bid)
    $24 Avg Bid
    1 bids

    I need you to develop some software for me. I would like this software to be developed using Python.

    $80 (Avg Bid)
    $80 Avg Bid
    4 bids

    We are a growth marketing agency for early stage crypto and blockchain companies. Our clients represent some of the most innovative and new crypto products in the decentralized movement. As we scale our operations, we are looking to bring on region specific Community Managers to represent our portfolio of client companies in public chat & social forums. Activities & role include: - Chat ...

    $5 / hr (Avg Bid)
    $5 / hr Avg Bid
    7 bids

    Hello. I need to Erc20 Stake contract for different periods and percentage.

    $262 (Avg Bid)
    $262 Avg Bid
    4 bids

    we need a blockchain developer to create a staking platform with lending option. using ethereum blockchain. we need similar platform like lend and harmony. ( these are crypto projects) if you are a blockchain developer. please reply and text this code (cryptostake99)

    $208 (Avg Bid)
    $208 Avg Bid
    5 bids

    I’m looking to make Staking contact in Tron blockchain. It’s dual token staking economy. User need to send token to contract address for lockup and contract send Staking token and then start sending staking rewards every 24 hours.

    $114 (Avg Bid)
    $114 Avg Bid
    2 bids

    I want create a cryptocurrency from Ethereum coDe. Not ecr token. I want a totally new crypto currency without gas fee and no mining allowed. In your proposal, please mention how you are going to do. And what about the licensing issue, since I want to build a private block chain. Please start your proposal with "Coincoin"

    $7 / hr (Avg Bid)
    $7 / hr Avg Bid
    4 bids

    I want a mobile app created by Android Studio to track traveler's bags by using RFID and blockchain techniques and save the information in Oracle Database. Oracle Blockchain Platform is the Oracle implementation based on the Hyperledger Fabric platform for creating allowed networks

    $1075 (Avg Bid)
    $1075 Avg Bid
    8 bids

    In Urgent Requirement of TRON Smart Contract for Website

    $87 (Avg Bid)
    $87 Avg Bid
    3 bids

    I need some bitcoin balance in my wallet..is there anyone can transfer bitcoin worth $70 I ll pay $100 to him/her. BID PRICE $100

    $107 (Avg Bid)
    $107 Avg Bid
    4 bids

    Hi i am looking for a developer who can create smart contract on traon ( for invenstment purpose) not for token [login to view URL] this type of smart contract. apply with tron word only

    $134 (Avg Bid)
    $134 Avg Bid
    3 bids

    I need someone who can code a Tool Or A script for me with the help of blockchain and PythOn To show Some money

    $232 (Avg Bid)
    $232 Avg Bid
    4 bids

    Create an secure online btc or eth wallet for me !

    $50 (Avg Bid)
    $50 Avg Bid
    3 bids
    Bitcoin Dev ! 2 days left

    Create an secure online btc or eth wallet for me !

    $273 (Avg Bid)
    $273 Avg Bid
    6 bids
    Shukria sawant 2 days left

    Want to hire blockchain expert

    $7 / hr (Avg Bid)
    $7 / hr Avg Bid
    5 bids
    smart contract on for tron 2 days left
    VERIFIED

    Hi i am looking for a developer who can create smart contract on traon ( for invenstment purpose) not for token [login to view URL] this type of smart contract. apply with tron word only

    $20 - $167
    Sealed NDA
    $20 - $167
    1 bids

    I know how to create a custom stellar token it takes like 10 minutes or so , i can provide quantity token symbol and token name and will give you logo for it and also base stellar i.e 75+75 for issue and distribution account so that you can make the token public.

    $25 (Avg Bid)
    $25 Avg Bid
    1 bids
    smartcontract 2 days left

    I need my website re-configured.I need you to build it.

    $7 / hr (Avg Bid)
    $7 / hr Avg Bid
    1 bids
    bitcoin fork 2 days left
    VERIFIED

    new cryptocurrency software. It will be done with a bitcoin fork.

    $667 (Avg Bid)
    $667 Avg Bid
    11 bids

    I need python expert to create a software for me, the software can detect the transaction then auto buy and sell in uniswap, this is the uniswap python doc [login to view URL], I have also a API to detect transaction, actually this is a bot, please bid only expert, type "Python expert" in your bid so I know your reading and not and spam.

    $126 (Avg Bid)
    $126 Avg Bid
    15 bids

    Req Smart Contract Developer for my website

    $124 (Avg Bid)
    $124 Avg Bid
    3 bids

    Needed Smart Contract Integration for Website in TRON COIN (TRX) Connect via Teamviewer / Anydesk

    $26 (Avg Bid)
    $26 Avg Bid
    2 bids

    Req Smart Contract Developer for my website

    $101 (Avg Bid)
    $101 Avg Bid
    4 bids

    Connect TronLink to Website like MetaMask, Integration Only like Blockchain

    $118 (Avg Bid)
    $118 Avg Bid
    5 bids

    Need to Integrate Tron (Cryptocurrency) Wallet in Website to Receive / Send Payments (Smart Contract) Connect by Anydesk / Teamviewer

    $246 (Avg Bid)
    $246 Avg Bid
    2 bids

    We need something creative like the animation to explain our topic of blockchain and cybersecurity. narrators shall be two of us and our face is required to be seen. Therefore if any creative people out there, please reply

    $208 (Avg Bid)
    $208 Avg Bid
    18 bids

    I want a full service bitcoin wallet and merchant service with all the features if Bitpay or [login to view URL] with bitcoin as the only source for payment. I need anybody to be able to accept payments using this platform without having to apply for a merchant account. Easy to use copy and paste merchant embed code into a users website is a must as well as more complicated shopping cart integrati...

    $2463 (Avg Bid)
    $2463 Avg Bid
    21 bids

    Top Blockchain Community Articles