Smart Contracts Jobs

Busco desarrollador de erc-721 para desarrollo de un smart-contract de un proyecto NFT en la blockchain de Ethereum. Es un proyecto serio, necesito personas calificadas.

Busco desarrollador de erc-721 para desarrollo de un smart-contract de un proyecto NFT en la blockchain de Ethereum. Es un proyecto serio, necesito personas calificadas.

We are going to launch a new token system which distributes rewards to certain wallets. BSC or polygon will be used to deploy this token system. - I want to know the time frame and budget. - NDA agreement is required before starting work. Start bid proposal with Token and NFT. Otherwise, will be ignored

Looking for a developer to build an NFT marketplace that allows users to also create NFTs directly on the website. I need someone to build the entire website. Happy to hire an individual or team of developers. Deliverables 1. NFT marketplace 2. NFT creation function 3. Wallet integration 4. Ability for users to sell on a secondary market 5. Other USP features to be disclosed later as confidential

I need someone to build the entire website. Happy to hire an individual or team of developers. Deliverables 1. NFT marketplace 2. NFT creation function 3. Wallet integration 4. Ability for users to sell on a secondary market 5. Other USP features to be disclosed later as confidential

Dear Developer, We are looking for an ERC 1155 smart contract developer who can develop the contract with all of the below requirements: - We already have a website with a Dapp embedded in it, we just need to make sure the contract is compatible with our Dapp. - MIT License. - Pausable. - Safe Batch minting. - Safe Batch transfers. - Batch burning. - Minting price and Royalties that are divided equally and paid into multiple wallets. - Pinata IPFS metadata compatibility. - Flattened. - OpenSea. We need a basic framework of the above smart contract that we can fill out with our details, with your help if necessary. For example, how to set the total supply, give the IPFS metadata URI, etc. A well-commented smart contract will also suffice. When the contract is completed, we would l...

I have ETH NFT DAO project Please have previous experience with smart contracts on the ETH network.

Hey buddy. We have a swap platform (DEX with farms and DeFi components) that we wan to launch on BSC (Binance Smart Chain) we have the UI overall layout in reactjs and we have the smart contracts in solidity, what we need is integration between the two. Basically we want you to integrate our React UI to our Smart Contracts. Can you do it? Can you give me a price for doing this job?

Wanting someone that can explain in detail the process of turning a jpeg into an NFT and the steps that go along with it - such as uploading it, customizable smart contracts, minting it etc. Wanting a dev that can explain it and if successful we can start the project together.

Hello, everyone. I am building NFT website. I need someone to build the entire website. Happy to hire an individual or team of developers. Deliverables NFT marketplace NFT creation function Wallet integration Ability for users to sell on a secondary market Other USP features to be disclosed later as confidential

Solidity, Truffle, BEP20 Expert required for new token creation. Thanks

I want to find someone who can develop Smart Contract using Rust.

Hi, I am a founder of NFT project on BSC. Just looking for a Solidity expert familiar with BEP token creation More details will be share via DM. Thanks

Hello, we are an existing NFT project that was minted as OpenSea1155, we need to do a burn swap to 721 to reach our new goals. The NFT holder is to pay the gas. We have the UI ready for our website and a sample smart contract that another project used to do same swap. In conclusion we need a contract that sends the existing 1155 to a burn wallet and sending the new 721 version back to the holder. There are 3006 NFTs in the collection on Ethereum

I am looking for a blockchain smart contracts pro who can offer the best solution of NFT project. If you are not senior, don't apply. Write "Sugar Free" on top of proposal, to detect auto bid.

Hey buddy. We have a swap platform (DEX with farms and DeFi components) that we wan to launch on BSC (Binance Smart Chain) we have the UI overall layout in reactjs and we have the smart contracts in solidity, what we need is integration between the two. Basically we want you to integrate our React UI to our Smart Contracts. Can you do it? Can you give me a price for doing this job?

i have the frontend and the smart contracts also, just need to connect them both. need it today

i have the frontend and the smart contracts also, just need to connect them both. need it today

Desarrollo de smart contract para smartchain de Binance.

Hello, Our team is looking for an experienced team to assist for the creation and launch of a NFT with the following part. Could you please share some examples of your work and estimated time and budget for the phases for which you could assist ? Thanks. == 01. NFT Collection 2D design assets creation Art generative Metadata Storage to IPFS == 02. Website NFT one-page design NFT one-page development Mint one-page design Mint one-page development Mint page connection with Smart contrat == 03. Smart contract Smart contract development (Ethereum, Polygon or Solana, not yet decided) Smart contract deployment == 04. Infrastructure Website deployment Mint page deployment Securization of website Securization of mint page

i have the frontend and the smart contracts also, just need to connect them both. need it today

I want a developer who can bring our UI design to life. We want to sell an NFT as fractional NFT to customers So it’s Front end dev and NFT project

i have the frontend and the smart contracts also, just need to connect them both. need it today

Seeking a developer to assist with the launch of a NFT project on the WAX blockchain

I recently launched a collection of NFTs in OpenSea through a Smart Contract following some tutorials, however the total number of NFTs were not published. Out of 3000 only 100 were uploaded. I did some research and you can modify using the OpenZeppelin Upgrades Plugins. I would like to update the Smart Contract to have the full collection.

I'm looking for a Web3 developer to write a Smart Contract on Elrond. We are in need of someone who has experience writing smart contracts in Rust and on the Elrond Blockchain. The smart contract will be used for airdrops to NFT holders and minting of an NFT collection. We are looking for someone to start immediately, please have discord for communication with the team.

Hi all, I have a project which i am looking for a crypto currency built for and then hopefully put on the market. If you have experience in this area and have produced projects preivously, please get in touch.

We are looking for someone to build a smart contract from our NFTs and also build a Mint feature on our site. We would like there to be a 24 hour window where only whitelist addresses can mint 1 NFT each. And then everyone will be able to mint as many as they want.

Building a simple exchange to trade eth & btc. Candidates require knowledge of uniswap api, smart contracts and lnd. We can discuss more details.

I need someone with experience with the Polygon chain and smart contracts to review the Market Generation, Market Distribution, Token, and Fee Splitter contracts for two different Token. One of these tokens has a unique Royalty Pump contract that will also need to be reviewed. I will provide info on what these contracts are supposed to do, and you will go through and make sure these smart contracts are coded correctly.

i need it as soon as possible....

need it as soon as possible....

need it as soon as possible....

I want to create a script that will buy Solana NFT by directly interacting with the smart contract ( written in Rust for Solana ) without going through magiceden

need it as soon as possible....

need it as soon as possible....

Need a software/script/bot that interact with Axie Infinity Marketplace (is a website market of a game) and buy axies for me automatically based on my preferences and filters. It involves a lot of knowledge in smart contracts and programming skills. I don't want a website, just need to run in my machine not online. I don't care about front-end, just needs to be functional and fast. I'll want all the code too on project delivery.

Looking to create a collection of apes. It's a collection that will give holders access to different conscious workshops such as yoga, meditation, breathwork, sound healing, etc. Would like to have you create a base character for the collection and assist with developing traits/accessories/attributes. The project will live on Solana. Understanding what appeals to the Solana community is important. (eg. every collection has some characters with solana colors, solana eyes, certain teeth, etc.). So you'll need to research Solana and what appeals to the community. It's very important that the rarest apes look really amazing and that the floor apes still look beautiful. See and for two projects that do this very well. Please note that I do not want this to look lik...

I need someone to help me win a whitelist for NFT Projects. Projects are: Hapebeast Invisible Friends Metroverse Anti Ape Associatio Payment is negotiable every whitellist per server. I wanna someone who can register me in whitelist which I choose website. If you finish in timeline I will give you bonus. deadline is 2 days.

I need a blockchain expert to create a Smart Contract on Solana Blockchain for a NFT project. Apply only if you are: - Ready to start immediately -Available full time for the next three to four days. -Able to speak fluent english You will create: - A simple Smart Contract for 10K NFTs launch. - A simple algorithm for a prize distribution model. The algorithm will collect every wallet address that is used to mint the NFTs. Then it will randomly and automatically distribute designated amounts/quantities of prizes among the wallets. The algorithm will be integrated into the smart contract. Please start with elephant on bid We worked with other developers for our previous project and it took less than one day to create/test/deploy the smart contract. I am aware that the creation of...

I need a smart contract developer. It is a small project.

We are a new DeFi yield optimizer protocol and we're looking to get a smart contract audit before we launch our product! The contracts are mostly a fork of vault/strategy (previously audited by certik and others). Our contracts receive funds from users, issue vault IOU tokens, stake funds and then bond them when optimal (again, most of this is a fork of ). You can see the strategy contract posted here: and our vault contract posted here: We're interested to hear what you think an estimated timeline/price would be for this audit (especially since it's a fork of beefy already). Look forward to hearing from you, thanks!

Looking to hire a dev for a smart contract, along with whitelist presales and public minting. Interested in both website and smart contract. Would require experienced solidity coding and have made previous erc721 smart contracts and metadata integration. NFT collection will contain no more than 5,000 NFT's. Website would need Metamask integration and the NFT's would need to be minted on OpenSea. The total number is still undecided, it's only known that 5,000 will be our max number of generated images. Project is still 40-45days away from launch. Thanks for your time.

need it as soon as possible....

need it as soon as possible....

Necesito el contrato de un token sencillo bep20 El contrato que me permita modificar nombre del token Siglas Supply total Tax de compra y venta y el % de la misma Sería sencillo

We would like the source code rewritten to be able to connect to a smart contract and mint code. Deliverables Deliver a fully functioning 3 page website for an NFT collection. Liase with smart contract dev to ensure site compatibility.

Expert Unity Game Developers Expert smart contract

Solana Rust Expert Expert Smart Contract Blockchain Full Stack developper

Full stack developper Expert with Solidity Expert in Smart contract