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
    50 jobs found, pricing in USD

    My previous developer created a decentralized exchange, however it is having errors and I need it fixed to make sure it is 100% functional. The site works but it keeps getting errors and people cannot withdraw/deposit/trade half the time and getting errors on the exchange smart contract. I need someone to fix it so it is 100% functional.

    $140 (Avg Bid)
    $140 Avg Bid
    6 bids
    Simple Ethereum Token Swap 6 days left
    VERIFIED

    I want a simple contract where users send the old version of our token and instantly receive the new version of our contract. For each 1 token of the old version they send they will receive 3 of the new token. this should be automated and gas is paid by the user when they send the old contract so I shouldnt have to add eth for gas for this function. I need this asap.

    $262 (Avg Bid)
    $262 Avg Bid
    7 bids

    Looking for Blockchain based KYC Registry (Web based) for India. To be used by Banks, College Admissions and any place where KYC information is required. End users will provide and authenticate their KYC information in this platform once. Use Case Reference : [login to view URL]

    $1769 (Avg Bid)
    $1769 Avg Bid
    7 bids

    Design and architecture for solution based on Blockchain Ethereum technology is required

    $226 (Avg Bid)
    $226 Avg Bid
    4 bids

    I want to build a app which works as Data Tracker. For your convenience I draw some pictures please look at those it will help to sum up what I try to convey. But, I want this app only bulid on Blockchain (BigchainDB). Main Functionality of App :- To detect permission access of other apps

    $1644 (Avg Bid)
    $1644 Avg Bid
    8 bids
    ICO whitepaper 6 days left
    VERIFIED

    i need someone that can create a good quality ico whitepaper that explains what the overall business is about. show your portfolio.

    $173 (Avg Bid)
    $173 Avg Bid
    20 bids

    I need a software developer to modify the Bitcoin code (hosted on Github) as per the spec which will be provided. I need this done within 7 days of the project being awarded.

    $1572 (Avg Bid)
    $1572 Avg Bid
    16 bids

    need a buy sell trading engine that also works with external exchanges.

    $797 (Avg Bid)
    $797 Avg Bid
    15 bids
    Crypto-currency expert 5 days left
    VERIFIED

    I need crypto-currency expert who can work for me in long-term. No agency, only developer bid. Please apply with experiences. Thank you.

    $5 / hr (Avg Bid)
    $5 / hr Avg Bid
    7 bids
    Crypto Payment Gateway 5 days left
    VERIFIED

    Hello. I am looking for someone who could develop a payment gateway for accepting crypto (similar to coinpayments). For example, I am a store owner and I want to accept payment in bitcoin and other altcoins. I will install a plugin (which is the payment gateway) on my store. When the buyer clicks on the checkout, he will have an option to choose the coin he wants to pay in. Let's just say tha...

    $551 (Avg Bid)
    $551 Avg Bid
    13 bids
    Decentralized app 5 days left
    VERIFIED

    Texasholdem poker tournament decentralized app

    $3217 (Avg Bid)
    $3217 Avg Bid
    11 bids

    We are looking for a DApp programmer to build a demo project. We are in Proof of Concept stage and looking for experience programmer for quick job to prove our ideas works. Following with Scope 1. DApp required to query data from our API. We have a sales transaction want to submit on Ether Blockchain. Following with sample data structure and may have minor changes. Customer Name, Transaction Typ...

    $270 (Avg Bid)
    $270 Avg Bid
    18 bids
    Erc20 Token 4 days left
    VERIFIED

    We are looking for developer to code us on ERC20 token and develop its user wallet

    $833 (Avg Bid)
    $833 Avg Bid
    22 bids

    [login to view URL] is where this alert will be focused on only one asset. You have bid and ask prices I want an alert when these prices hit 0.00000009 and 0.00000011. I can have email alerts and or pop up or whatever as long as it is in real time

    $125 (Avg Bid)
    $125 Avg Bid
    4 bids

    Hi, We need to create a professional white paper for a technology Blockchain startup. The company wants to take the Sharing (On-demand, Gig) Economy to the next level with the power of Blockchain technology. Content needed on the document: Overview of the Industry Problem to be solved Proposed solution Product description Technology explanation Areas of expertise needed: Mathematics ...

    $754 (Avg Bid)
    $754 Avg Bid
    25 bids

    Hi This is altcoin creation task. No difficult algorithm. Just only fork the bitcoin and create altcoin for specific requirement. Please have a look attached file.

    $1014 (Avg Bid)
    $1014 Avg Bid
    10 bids

    Hi, we're looking for blockchain experts who can make us decentralized exchange like such like idex or ddex. (or customize previously made solution of yours for us) We would like the exchange's smart contract is based on forkdelta's. The exchange must provide all basic functions like: (simply all functions that fork-delta provide + tradingview) - withdraw / deposit - listing and d...

    $9809 (Avg Bid)
    $9809 Avg Bid
    37 bids

    I need Developers that have experience with Blockchain technology Skillset needed Bitcoin Core, masternodes, C/C++, Api Development, ERC 20,

    $18 / hr (Avg Bid)
    $18 / hr Avg Bid
    21 bids

    I have been associated with the BFSI industry for 13 yrs initially from business and operations side and then technology and eventually landed up into marketing and strategy. Having realized that this diversified experience is a good platform to enter the next big wave of innovation in the Fintech space, I have started to develop a few disruptive banking products using Blockchain, Robotics and Dat...

    $42 / hr (Avg Bid)
    $42 / hr Avg Bid
    3 bids

    I have been associated with the BFSI industry for 13 yrs initially from business and operations side and then technology and eventually landed up into marketing and strategy. Having realized that this diversified experience is a good platform to enter the next big wave of innovation in the Fintech space, I have started to develop a few disruptive banking products using Blockchain, Robotics and Dat...

    $13 / hr (Avg Bid)
    $13 / hr Avg Bid
    3 bids

    help me creating erc 20 smart contract

    $134 (Avg Bid)
    $134 Avg Bid
    11 bids

    I need a blockchain engineer who has good ideas towards application of blockchain to a social relevant issue

    $175 (Avg Bid)
    $175 Avg Bid
    5 bids

    I am going to launch token issuing platform similar with waves. Hope to discuss about possible way to get approach early. If you have built this, you are the top candidate and start project soon. I hope all things done in few weeks. Must be experienced with Waves.

    $2718 (Avg Bid)
    $2718 Avg Bid
    23 bids

    I have a start up for e-commerce. I am looking for crowd funding. So, eventually need a business plan for this

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

    My website needs to take data via existing api from crypto trading exchange websites (from which I will set up and provide the api details) and calculate values from user input boxes. After the site is built it should be relatively easy for me to update and add other user input boxes etc. Please contact me for the exact details.

    $1295 (Avg Bid)
    NDA
    $1295 Avg Bid
    54 bids

    Please read full documentation + screenshots [login to view URL] ------------------------------- Overview Current project based on Original project: [login to view URL] ------------------------------- 1. We need to Change the current logic how wallets opened 2. Token logo fix

    $1119 (Avg Bid)
    $1119 Avg Bid
    6 bids

    I am looking for blockchain expert or team who has expertise in real asset based cryptocurrency. Requirements>> 1. Strong knowledge of tokenizing 2. Good understanding of real estate ecosystem

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

    I need someone who can develop crypto trading software. platform I'm focusing - Binance, Bittrex

    $477 (Avg Bid)
    $477 Avg Bid
    22 bids

    i want to make auto payment system with bitcoin for my website [login to view URL] im have payment system paypal and 2checkout and i want to add payment with bitcoin i need to implement the new payment method with api of bitcoin

    $477 (Avg Bid)
    $477 Avg Bid
    23 bids

    I need to make a new coin using open source of current one, before you bid note you should have experience in fork POS coins before and make everything work probable, contact me for all coin specifications. Please bid within my budget...

    $560 (Avg Bid)
    $560 Avg Bid
    15 bids

    I am looking for a Native writer for some Articles on the subjects of Cryptocurrency, the Blockchain Technology, and ICOs. The articles are meant to be published on different websites related to the topics mentioned. The articles can be targetted for readers with different knowledge of the subject. Also highly experienced in writing ICO whitepapers is a plus. We have a lot of writing tasks regard...

    $10 - $30
    Sealed
    $10 - $30
    16 bids

    I have this app published and in use. [login to view URL] I want to add Notifications to the app. I want to be able to write a message in a web panel and have it sent to all users of the app as a notification. We already have an admin web panel so this would just be something to add on. You will not need to create an admin panel from scratch. An additional feature to select specific users for a n...

    $360 (Avg Bid)
    $360 Avg Bid
    19 bids

    Hello, We are implementing Hyperledger into our environment and are looking for someone to consult via phone/ remote access, who understands blockchains/ can answer questions we have. The person we're looking for needs to be able to deploy hyperledgers into production (using Hyperledger Fabric ideally, but any platform will work). Of particular interest is the use of consensus across multip...

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

    Need an A to Z, Blockchain, Bitcoin, Smart contract, ICO, White papers expert, who have completed a project successfully and can share white papers + project, please share your project link in the bid. Many thanks

    $2933 (Avg Bid)
    $2933 Avg Bid
    53 bids

    Looking for knowledgeable web designer or programmer with blockchain experience. Our game will be on the Tron Network. We need the basics for the permanent game website, complete with administrative backend for easy management, secure user accounts, individual Tron game wallets and 2fa security options for the user accounts. The structure and functionality of the website is most important right ...

    $4332 (Avg Bid)
    $4332 Avg Bid
    31 bids
    Develop Exchange (Crypto) 1 day left
    VERIFIED

    I want someone who has done cryptocurrency exchange. Basically, I'm trying to complete exchange with the low budget. The exchange like a binance, bittrex and must have to have all function same as other exchange. Different Market, API, Tracking my Budget is just 500$

    $736 (Avg Bid)
    $736 Avg Bid
    24 bids

    Hi All! Thanks for your interest. If you are not familiar with the masternode craze there are 100s of these projects launching a month of which 99% are complete scams. The devs are not transparent with what they are doing with raised funds, investors have 0 say in project direction, and the project ends up collapsing within a few months if the devs dont exit scam (this happens quite often). What...

    $22 / hr (Avg Bid)
    $22 / hr Avg Bid
    24 bids
    blockchain consultation 1 day left
    VERIFIED

    we are exploring few blockchain use-cases and we need someone to consult and develop

    $297 (Avg Bid)
    $297 Avg Bid
    15 bids
    ERC20 token symbol reserve 1 day left
    VERIFIED

    Hello, We are going for an ICO in Q4 this year. And we want to reserve our symbol so that no one else can use the symbol. So need assistant with that.

    $369 (Avg Bid)
    $369 Avg Bid
    9 bids

    i have an idea and i want to run an ICO for it need some one who can completely code it for me i mean, smart contract + ICO features + Website + Create a copy of available open-source project Will talk about budget later

    $3480 (Avg Bid)
    $3480 Avg Bid
    50 bids

    PM me for detailed work. I will provide info in chat.

    $109 (Avg Bid)
    $109 Avg Bid
    15 bids
    Bitexchange script customization 18 hours left
    VERIFIED

    Hi, I need someone that has already worked with the script Bitexchange to help me to do some modifications and fixes. It needs mainly to fix the charts, the currency pairs and be able to add erc20 token support. Pleas no timewasters.

    $421 (Avg Bid)
    $421 Avg Bid
    11 bids

    I need a PIVX fork. With wallets compiled and masternode configurate. Should include genesis and checkpoint changes also. Deliver working.

    $963 (Avg Bid)
    $963 Avg Bid
    10 bids

    I am working on a exchange project. My node is setup and address being genrate. I want to a method where i can transfer token from one account to another account paying fee from third account. is there any way to do using json-rpc call. Please write "ethrpc" in starting to confirm that you read description.

    $127 (Avg Bid)
    $127 Avg Bid
    3 bids
    Blockchain 9 hours left
    VERIFIED

    I need you to develop blockchain, web site, masternodes, and wallet, put on the exchange so all included

    $2203 (Avg Bid)
    $2203 Avg Bid
    20 bids

    Develop and design a user-friendly Supply Chain Management ICT platform using Blockchain technology for compost value chain. Compost manufacture record · Buy and Sell · Search compost or update requirement of compost which is notified to manufacturers · Idea for rural logistic issues · Tracking of compost bags · Local language support We are creating Mobile ...

    $107 (Avg Bid)
    $107 Avg Bid
    1 bids

    make crypto exchange project like this: [login to view URL] i like this style and it's simple, i think. if you can make this, tell me and discuss about this project.

    $1448 (Avg Bid)
    $1448 Avg Bid
    29 bids
    Create a new Crypto Currency 5 days left
    VERIFIED

    Create a new Crypto Currency by Improving open source existing codes and ensure its reliability to connect to external environments, and implement sepcific specs and deliverables and high level security.

    $3527 - $5879
    Featured Sealed NDA
    $3527 - $5879
    45 bids

    Hi This is altcoin creation task. No difficult algorithm. Just only fork the bitcoin and create altcoin for specific requirement. Please have a look attached file.

    $1041 (Avg Bid)
    $1041 Avg Bid
    7 bids

    I am working on a exchange project. My node is setup and address being genrate. I want to a method where i can transfer token from one account to another account paying fee from third account. is there any way to do using json-rpc call. Please write "ethrpc" in starting to confirm that you read description.

    $35 (Avg Bid)
    $35 Avg Bid
    1 bids

    Top Blockchain Community Articles