Ethereum Jobs

¡Hola! ¿Qué tal? Estoy queriendo llevar a cabo una colección de NFTs en Opensea. El proyecto sería de unos 10.000 NFTs, todos hechos por mí. Deseo poder programar el "minting" y que las personas que compren no sepan que NFT le tocó. Entonces, pueda programar también el "reveal" de tales NFTs, para así ver cuál...

Buen dia, estoy necesitando asesoramiento sobre tokens creado en erc20 (Metamas), sobre cantidades, listar el mismo, agregar imagen.

Se necesita freelancer para crear tokens no fungibles ( NFT ). Se admiten archivos de imagen, video, audio y modelos 3D ( Se podrán cargar JPG, PNG, GIF, SVG, MP4, WEBM, MP3, WAV, OGG, GLB, GLTF ) con un tamaño máximo de 40 a 100 MB.

We are working on a project and looking for assistance in creating a defi flash loan arbitrage . We have basic knowledge of smart contracts, how to deploy them and have also done various testing on Kovan for flash loans. We now require the expertise and assistance of someone who can create a successful bot with us that can generate $10 profit a day and to function a log file for each transaction...

We are working on a project and looking for assistance in creating a defi flash loan arbitrage bot. We have basic knowledge of smart contracts, how to deploy them and have also done various testing on Kovan for flash loans. We now require the expertise and assistance of someone who can create a successful bot with us that can generate $10 profit a day and to function a log file for each transact...

Looking for an opensea expert in order to generate series of thousands nft combining assets and automatically upload in the marketplace. we just need who already made some collections and know exactly the flow.

Hello there, I am looking for an expert Solidity developer, who can teach us solidity from basic to advanced. Looking forward to talk to the deserving candidate. Thanks.

I want to build an NFT based marketplace using Ethereum on OpenSea.

I am looking to deploy my arbitrage strategy using CCXT or a similar platform where we can build on top

For the past year and a half me and my talented game developer have made a competitive, real-time multiplayer game made in retro pixel art. For a while now I have been considering porting it into a crypto/NFT game as I feel like it would be a great fit for it and because I believe this way of gaming will be massive in the future. I am looking for someone who is capable of integrating this into an...

I need you to audit the BEP-20 token smart contract. Make sure it has required functions and do not contain any malicious or unnecessary functions

Deploy test net : 150$ Deploy mainnet : 150$ Binance Smart chain

I am building a token based on ethereum and on RemixEthereum IDE, but i have a problem that i want to generate 100 million tokens and i keep 20% and lock them for 1 year, the code itself locks 20% of tokens That I don't know how to do, please help me and give me more advice, thanks. Note: I don't need you to create it on the mainnet, I just need the code to run it myself on RemixEthereu...

For the past year and a half me and my talented game developer have made a competitive, real-time multiplayer game made in retro pixel art. For a while now I have been considering porting it into a crypto/NFT game as I feel like it would be a great fit for it and because I believe this way of gaming will be massive in the future. I am looking for someone who is capable of integrating this into an...

I need someone to build a Crypto wallet app for the user's portfolio. You should have experience of this work.

pancakeswap liquidity expert needed

Minting of ECR20 tokens, etc Need to develop an Ecr20 token. Also, list it on Uniswap.

I am going to fork goosedefi. if you are sure, don't hesitate to bid.

I'm a cryptocurrency trader, i trade mainly in low time frames (5min chart) and i use several indicators to do successful and profitable scalps. I need a bot that can trade based on the stochastic RSI indicator and in a platform for margin/leverage trading (bitmex, ftx, bybit, etc.) It has to long when the RSI touches the bottom and short at the top.

I have existing smart contract developed with Solidity. Prior developers are no longer available and current code needs to be modified since it costs high gas. Only experts bid, please. Small test will be given to who thinks he is confident to complete my project.

Need a blockchain dev to make a separate staking dapp on my site

Hello there, I have a Crypto token made on BSC, I need to add a token icon + token price in the trust wallet. Only experienced Thank you!

Id like to create a basic nft marketplace based on the ethereum blockchain -

like i mentioned in the Headline. I'm looking for the best Arbitrage Strategy to implement for trading between 2 decentralized Exchanges.

I need someone to build a Crypto wallet for the user's portfolio. You should have experience of this work.

build me an NFT website, on the Ethereum chain, something similar to rarible.com. note that the frontend design is here, just need the functionality input.

Similar to Dungeon Hunter Champions…it should have some boss encounters and simple dungeon crawls, and of course a 5v5 map like Summoner’s Rift from LOL.

I want to fork Tornado Cash for Polygon Blockchain Tornado cash is a privacy blockchain which breaks the link between a sender and receiver. Its a open source project and all the code is in the github. You have to fork the github code and complete the project. A simple UI to deposit and retrieve functions already exist in the github. You can use that. This use zk snark protocol, so if you reall...

I have 1 trezor connected to 3 ronin wallets. These 3 wallets needs to pay the 4th wallet every day at 6 PM. But trezor is required for verification for each transaction -- I don’t want to use trezor every 6 pm to make sure transaction goes through. Is there a way to do this, like to disable trezor for a while because all 3 ronin wallets everything must go through trezor. This is it [inicia...

I have an Ethereum project that transfer metrics from monitoring tool in the cloud to Ethereum network, I used React and Rinkeby test network I want to draw UML or sequence that describe the project from fetching the data till receive it at Ethereum. No more than £40

hello, i want create a Smart contract for airdrop, presales, 100% like : [iniciar sesión para ver URL] can you do it?

Looking for a developer with experience listing an existing ERC20 token on Uniswap Please articulate your experience listing token on Uniswap clearly

We need a marketplace to sell digital assests using NFT (Non fungible Tokens) cryptos.

hi everyone First thing. I want to build Blockchain network on cloud servers for research purposes. i have a test experiment to entertain 150 records (between 6-8 fields) supposedly it's health records. basically I want to build 3 nodes of Blockchain network may be in cloud services like Azure or AWS or Google cloud... I need a web page to insert data and another web page for query th...

Wanted person with knowledge in thegraph

Hello, We need an expert on solidity for audit our smart contract on the binance smart chain. We can hire you now. Thx you.

Need to take forward a demo version of NFT marketplace to production quality. Demo is built with [iniciar sesión para ver URL], solidity on MATIC chain. Need a fresh implementation of GraphQL and storybook for component management. Indegrate deployment pipeline with the GH project using CircleCI. Current functionality includes a Home page, Mint NFT on testnet (Creator page), Buy page, Sale...

I need a blockchain developer preferred on Ethureum. The app would have two interfaces: First interface an admin person stores some details about a particular user on the ledger. (say name, DOB and another text details)... protected by a password. Second interface is used by anyone to search the ledger and retrieve details about someone. They could search using individual ID or some sort of iden...

Need a front running smart contract to detect transactions on the liquidity pools, and attack other people orders by increasing the gas fee, then sell the order in the same block or the next block. The contract needs to be 100% free of losses, we will discuss more details if anyone interest in this job.

purpose is to transfer funds from - multiple addresses to another address and - a single address to multiple addresses explanation: if I have any erc20 or trc20 token on my multiple addresses and I want to transfer that token from my multiple addresses to a single address. And the second thing is if I have any token on my single address and I want to transfer (distribute) to multiple addresse...

We need to buid erc721 tokens with Openzeppelin Tutorial [iniciar sesión para ver URL] Don’t bid if you charge more than 100 usd and cannot do in one day.

Need a Solidity Uniswap Expert

I need a new website. I need you to design and build it.

Looking for someone with experience working with trc20/erc20. The product - crypto currency payment gateway that accepts usdt to internal trc20 wallets. Customers will transfer USDT into our wallets then we will need to be alerted programmatically. Then the platform should be able to transfer from the internal wallet to a specific trc20 address programatically as well. The payment flow will be ...

Good day, Developers! I'm searching for a team or a single developer who can assist me in developing a crypto casino with the features described below. This project has a timelime between 6 and 10 months to complete, with a maximum expenditure of $100,000. If you have experience in this industry and can show me proof, I will pay you more than my maximum budget. - The creation of a website ...

Looking for someone who can add wallet to existing site.

Hi I would like to build my private Blockchain network to evaluate the smart contract that I deployed at Remix IDE. I want to test this on the PoW consensus. Please notice that my project is to transfer metrics from DB to the Ethereum network for integrity purposes. my budget for this is 50 GBP - please if you have the Robeston Eth test send me some. Thanks

Completely Redesign the website and dapp with one coherent theme. Sites we like include [iniciar sesión para ver URL] [iniciar sesión para ver URL] safemoon.net. We do not want a space theme, the design must be best in class and fit with our brand. We are seeking an experienced Full Stack Developer with exceptional graphic design skills and attention to detail.

Hi everyone , Looking for an expert in eth , im thinking to start an investment in cryptocurrencies and i want who can advice and provide me eth to start with , thanks

Looking for someone with experience working with trc20/erc20. The product - crypto currency payment gateway that accepts usdt to internal trc20 wallets. Customers will transfer USDT into our wallets then we will need to be alerted programmatically. Then the platform should be able to transfer from the internal wallet to a specific trc20 address programatically as well. The payment flow will be ...