Smart Contracts Jobs

We are looking for a professional blockchain developer who has a deep experience in the smart contracts, Solidty, [login to view URL], NFTs, Whois service, MetaMask, and ENS to build a new smart contract wallet such as metamask. Selected developer will keep long-term relationship with us, but professional blockchain developer with high-quality & speed.

Making the contract and explaining each line of the said contract. also NFT Mint on the website.

Hi! David. How are you? I am Slava and we agreed to meet at 20th and install bot. I am sorry for unexpected disconnecting with you. I hope to meet you here or please take a look attached file. Regards!

I need blockchain and NFT smart contract 1. Sharing the requirement document herewith, 2: Analize the scope of work and timeline clearly 3: Schedule an on call discussion to finalise the terms and clarifying the project details . It is a big project and we will work on module wise.

Create and Deploy a solidity contract

NFT Minting and Backend 1. Mint Tokens 2. ERC721 Smart Contracts (Includes Royalty) 3. Add NFT Metadata on IPFS 4. Metamask Integration 5. Blockchain Integration 6. Reveal Function 7. Counting Available and Sold NFT

Deploy Blockscout EVM open-source block explorer on the SongBird Network which is an EVM styled blockchain similar to Ethereum by following the instructions below.. I currently have a Songbird node whitelisted that we may use. Manual Deployment Steps: [login to view URL]

Deploy Blockscout EVM open-source block explorer on the SongBird Network which is an EVM styled blockchain similar to Ethereum by following the instructions below.. I currently have a Songbird node whitelisted that we may use. Manual Deployment Steps: [login to view URL]

i want to simulate two energy smart meters gateways to trade energy between them using blockchain smart contract.

I need a BEP20 contract for our NFT game. A brief of necessary functions: 1. Ready for pinskale presale 2. Airdrops 3. Buybacks (not hardcoded) 4. Tokens mint function 5. ERC721 (to make people buy some things getting NFT) 6. ListingBlacklist 7. ManualBlacklist 8. WhiteList 9. StopBlacklist 10. EnableTrading (with several additional functions) 11. Cooldown (between tx) 12. AntiDump (hardcoded) ...

We want a professional who can create a project staking program for our crypto startup.

Please Sign Up or Login to see details.

Require the creation and design of a website which will allow the facilitation of NFT minting by customers. The website will continue to act as a static information page after the minting has finalized. The NFTs will be in .png format and will need to be created through the overlay of multiple different assets (artwork to be provided to the freelancer) Requirements -Metamask wallet connectivity...

I want to build a series of game choices in an app and they must be connected to the blockchain, You must be proficient in building ethereum based apps

Hello, I'm looking for a solidity developer with a good experience in Defi to work with me and my team on two fields : - Analyse structure of a few given smart contracts (ETH AND BSC) and then explain their structure in an easy way to the team. - Develop ERC20 / BEP20 Tokens with different options and complexity (tax on buys, anti-whale mecanism, proxy contract, etc.) I have good knowledg...

hello everyone I need expert binance smart chain Developer and well experience in any Blockchain technology

We are searching for a blockchain developer to work on an e-learning platform . The developers have to be able to build the following: 1- Smart contracts for the users, Payment, Governance, Staking, Featuring, Unlock certificates and Compensate training centres, Bid staking, Rewarding the users, lottery system 2- Tokenmoic system including the algorithm and the related smart contracts: The algo...

Hello, I will soon buy a business related to crypto-currency. The business receives the money in ETH on an ERC-20 wallet, so the owner will give me the private keys to receive the money. The concern being: I can't change the private keys, so the last owner can log into the wallet and take the money. I can't change the wallet to receive the money either, because it is written in the sma...

We are looking for a senior dapp solidity developer to help us build our dSaaS Vendor Admin and User management portal. The portal will need to automatically debit client wallets hourly and deposit to the admin wallet. Sometimes it will need to auto-swap from a token to a stablecoin as it debits client wallets and deposits to admin’s. Main part security scalability and automation as transact...

Looking to hire developers, either full time or part time, to build various aspects of a cryptocurrency ecosystem. There are quite a lot of tasks to do, so you are required to work as a team with other developers on the same project. Looking for developers to work long term on the project, as the ecosystem will constantly be updated with new features, and maintained. You will need to be profess...

Hi ! I'm gonna make the online game site, the player will pay the payment with coin. for this, I need to create my token using erc20. let's discuss the project on PM in detail regard.

Dear freelancers, We are looking for a Web3/Solidity developer to help launch a NFT generative-avatar project on the Ethereum blockchain. The project will generate 10,000 unique avatars from a combination of traits each with different rarities. This job will require: - Minting website (frontend + backend) with MetaMask integration. - Smart contract for minting (ERC720). - IPFS integration and fi...

We want to build Namibia's first and only crypto currency exchange, staking platform and must be full compliant with the regulators. See attached documentation

please let me explain the simple lottery idea I have. It is just an example to make it easy to understand. There will be sold 1000 tickets. Each ticket costs $1 and as soon 1000 tickets are sold there will be an auto draw with 2 different winners of let's say $500 each. a simple affiliate option is needed means that each ticket buyer needs to get a ref code and will get for each referred tick...

For developing smart contract and DApp on react for NFT marketplace project or Game. Please send me your urls similar to this project.

I need a smart contract without referral link that runs on a block chain using the Dapp browser

I Require A Portal Where I Can Recieve USDT And Collect Them there and From The Recieved Usdt I Can Send USDT To Multiple Addresses In One Click

I am looking for an experienced blockchain developer to create an NFT marketplace on ETH who could start asap. This project is divided into 2 phases. Will share more detail to selected candidate.

We are going to a new smart contract wallet which allows me to do whois, block transactions and Connect to identity nft wallets and attributes. We will discuss more details at interview and transfer the funds per tasks.

This is a new project where I'd like to take a reflection based smart contract and add another funding aspect to it. I have both smart contract codes for review which create the results i'm looking to accomplish in a single smart contract. I'm looking for a developer with expert knowledge in smart contracts, defi and solidity utilizing Ethereum and Binance Smart Chain networks. Wo...

Note: Only bid if you're able to work on this within my budget. I will select the best bid with the required skills. Thank you. I need a system working on blockchain technology, which can be able to sell or buy land repositories (digital transactions of buying and selling of land to different owners) (could be a specific number or token) through a secure transaction method. In simple, you ...

I am trying to connect with Mr David. Don't bid here. Hi, David, this is Slava. Do you remember me? We agreed to meet at 20th and install Trading Bot. I am sorry for disconnecting. Please meet here. Can you see?

Our platform consists of a DEFI application (~ PancakeSwap) and a NFT marketplace with minting functionality. Because our previous developers were not able to commit fulltime we need additional resources We need a senior solidity developer for following tasks - Review existing contracts of DEFI and Token - Create minting/marketplace contracts (ERC 721 & ERC 1155) - Support TGE event - Work t...

Dear freelancers, We need the following: - Create multiple NFT collections using 10 characters as base having different traits. - Each collection contains 1000 different / unique NFTs, where are 10 unique + 990 generated out of those 10 - There are 10 collections for now, means to generate 10 x 990 - create the website for these collections (with admin) & improve the design as needed (basic d...

Hi I am looking for a crypto launchpad same as [login to view URL] website features, design can be unique 1. Visitors can create their own tokens on bsc chain, please check pink sale featuers 2. lock liquidity [login to view URL] with bsc token can setup presale 4. fair launch option 5. Admin panel to change fees, lookup any website settings to change or fix 5. all other pinksale features im...

We have already developed Crypto Token We are going to deploy it to ERC20 If you are an Expert in this field, please Bid!!

I want to create an algorithmic stablecoin on erc20. Message me for further details

Hello, I want to whitelist ETH wallets of people who want to buy NFT, but it costs high gas fee. I want someone to build me mechanism that allows me to sign the transaction data off chain and only allow signed data with the owners signature to call the function in the contract. ECDSA library will be needed for this. One part will be handled on chain (verifying the data was by the owner) and the ...

Hi, talents! I wish to involve a smart contract developer who has extensive experience in rust programming language on Terra. You can show me the smart contracts what you wrote down for your previous business in detail and explain them based on your hand-on experience. I myself have much knowledge in blockchain, and this will lead to a long-term relationship for a skillful candidate. Enjoy bidding...

looking for someone with smart contracts for Ethereum (solidity required) to assist in lazy minting smart contract for some 1,000 image project.

Hello, I am currently looking for someone who can upload my 1000 NFT's and create a website to be able to mint media smart contract integrated in Opensea as well. I only have the art.

Hi there! I am looking to create a simple blockchain to increase supply chain transparency for my food product. I would like to do something like this [login to view URL] but on blockchain allowing to trace and verify ingredients supplier information. I will need the developer to update my website as Dapp page - consisting of blockend (smart contract file), backend and frontend. Concept: Transp...

Develop a pre-mint crowdsale contract with latest version of solidity The contract must include the following features: - Whitelist mechanism - Claim function to claim purchased tokens after some time has elapsed You must use a hardhat & Chai to write unit tests for the contract

I'm looking for full time developer who experienced in MERN stack and react-native. If you are familiar with smart contract, perfect. don't apply if you don't know about MERN.

I am hiring someone to set up a Solana NFT collection through forking the codebase on the Metaplex platform. I will be able to provide the NFT artwork and website design layout, copy, images ... etc. Need to produce the site in under 2 weeks. Please message me with ETA, fixed price and your precedent similar projects.

I have a urgent task. We are looking for someone to write a proxy smart contract to stand between our application and the Pancake Swap contract. Pretty straight forward..details available on job granting. If you are familiar with proxy smart contract and have experience with it , please let me know. We will work together at first, I will be available to help you. What matters most to me is if yo...

I'm finding someone who is very good at ethereum.

I need an app that can do bitcoin management. More info please contact me. Thanks

Hello, I am a senior blockchain developer, I want a blockchain job. If you have a job, Please contact me. Thanks.

If you know how to do this place the bid will pay nicely its being deployed on binance smart chain and should not take over 12 hours to write up. I tried contacting their dev team on discord no one is available.