Fundraising web app on blockchain Celo (Solidity)
Looking for engineer(s) to work on existing fundraising web service, running on Celo blockchain (fully EVM compatible). Product stack: - Python - Django - Solid...
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Looking for some one who can Fetch Solana NFT Metatada from Any Given Project
Looking for some one who can Fetch Solana NFT Metatada from Any Given Project
Read moreWrite unit test for my smart contract
Here is the smart contract. https://github.com/fidometa/FMCv2Public/blob/main/fido.sol We are looking for someone who could write unit test for the above smart...
Read moreBuild a DAO functionality on website (solidity DEV)
DAO website functionality Main Website - Login with Wallet (Metamask/walletconnect - Voting page with multiple choices (questions to be added from admin) -Weigh...
Read moreNeed Crypto Expert to Recover My Wallet
I am trying to recover my ETH. I have private key and it shows balance correctly but when I make transaction it is failing continuously. Contact me if you have...
Read moreIntegrate smart contracts into frontend
I need a developer who can complete an existing dex project. exchange and add liquidity were already completed. you have to complete remove/list liquidity. The...
Read moreTest Job for solidity
Hello We need to test the test contact, is that secure or not. https://testnet.bscscan.com/address/0x1781f5b2203e72430ddd0586aec6e3ed39b4e970
Read moreBlockchain Developer for consultant
Hi freelancers! I am going to create a sandwich bot but there's so many problems to solve. I want to know how to solve those problems and if your explanation is...
Read moreRequired Web 3.0 Developer
Required Developer on a Monthly Basis. Required Web 3.0 developer with experience in Solidity, Fundamentals of Blockchain, and Remix IDE. Technical Skills Requi...
Read moreNeed fix token with buy fee and sell fee
i have new token with buy fee and sell fee. i got error when send fee. if you have experience with token, contact me. we can discuss in details more. thanks
Read moreWe are looking for backend engineer with XRP ledger
Are you good at DEX? -Develop backend with XRP ledger: $500 Show the result with video. 1. After see the video, pay $250 2. After the code is delivered, pay $25...
Read moresolidity nft contract
I need person to do Solidity nft contract and approval also teach me all concept of blockchain and NFTs in details.
Read moreFull stack developers, front and back
we are putting together a small team of developers for our crypto startup. HQ is in Luxembourg. We are (almost) all young people. Great atmosphere and everythin...
Read moreI need best full-stack NFT developer
Hello, devs I need NFT expert who can make NFT minting smart contract with reveal/unreveal feature. If you are a good dev in this field, it will not take more t...
Read moreFix token with buy fee and sell fee
i have new token with buy fee and sell fee. i got error when send fee. if you have experience with token, contact me. we can discuss in details more. thanks
Read moreWE NEED A CUSTOM MULTI-CHAIN NFT MARKETPLACE
*Refrain lammer from sending budget. It takes a real professional *EACH MILESTONE MUST BE DELIVERED WITHIN 1 WEEK. WE NEED TO HAVE THE COMPLETE SITE IN A MAXIMU...
Read moreSolidity expert -- 2
i need solidity expert. i got error when send fee with busd. i will discuss in details via chat thanks
Read moreBlockchain system analyst
We are looking for the analyst who has experience with Cosmos SDK or/and Tendermint to research its capabilities and writing documentation for Cosmos SDK based...
Read moreNeed backend for the NFT marketplace.
Hi I am seekinng a blockchain developer with NFT marketplace experience. Frontend theme is ready and smart contract also. Just need backend part for some functi...
Read moreSolidity expert
i need solidity expert. i got error when send fee with busd. i will discuss in details via chat thanks
Read moreHave you built a NFT Marketplace before? If you have please show me. I need one like Opensea. Thanks
PLEASE SHOW ME YOUR PAST WORK ON A MARKETPLACE YOU HAVE ALREADY MADE! I need a marketplace similar to Opensea with options to mint with multiple chains on ETH V...
Read moreNFT Project, assist with contract creation and listing (Opensea)
I have a collection of NFT's that I need help in creating on Opensea (minting). Process needs to be able ot be tested on Rinkeby first. I have tested some of th...
Read moreBSC Smart Contract
I need to create new simple smart contract on BSC
Read moreCreate a poocoin DEX (Binance Smart Chain)
Create a dex like poocoin with buy and sells (limit) Metamask web3 login to handle transactions UI front end will be provided. Only bid if you have developed a...
Read moreSecurity review of ERC721 custom smart contract
I have a custom smart contract built from Open Zeppelin contract and require a security review please. Need expertise in similar security reviews and familiarit...
Read moreLooking for a Solidity developer
I'm looking for a Solidity developer. You will work on the smart contracts part of our project.
Read moreNeed help with deployment of Smart Contracts -- 2
I need help in understanding, compiling and deployment of few smart contracts mentioned in below repository and it's deployment requirements. https://github.com...
Read moreNeed help with deployment of Smart Contracts
I need help in understanding, compiling and deployment of few smart contracts mentioned in below repository and it's deployment requirements. https://github.com...
Read moreSmart Contract and Minter for Ethereum NFT Project
Hello! I am looking for a blockchain developer who can help with developing and publishing a smart contract for our NFT collection. The initial collection will...
Read moreWeb3, Solidity Integration Expert with React
We are digital company, we are building the DEFI platform now. We need the experienced developers now. Must be familiar with Web3.js, Solidity and React. No Age...
Read moreBuild a Crypto staking protocol with referral system
Build Titano.finance fork https://titano.finance/ https://app.titano.finance/#/dashboard Smart contract for the protocol is available on Github
Read moreBuild Titano.finance fork with referral system
Staking protocol based on titano.finance, with in built referral system for affiliate purpose. Design and logo are ready. Urgent requirement
Read moreGoLang Developer Required for Blockchain work (Indian Individual ONLY)
I am looking for an experienced GoLang Developer to maintain our blockchain network with 4 nodes. We are planning to increase the nodes going ahead. The ideal p...
Read moreHave you ever developed a Crypto Exchange?
Hi. Please see the attachment. It really does not need more discussion before seeing your exact bid request($) and deadline. I'll discuss according to your expl...
Read moreModify rebase token contract
Hello, I’m experimenting with some modifications to a rebase token smart contract to try to edit some specifications. I’ve ran into some roadblocks and am needi...
Read moreModifications for rebase token smart contract
Hello, I’m experimenting with some modifications to a rebase token smart contract to try to edit some specifications. I’ve ran into some roadblocks and am needi...
Read moreNFT developers are welcome to SuperKluster NFT Market Place
SuperKluster looks here to build up current market place and go long term. Hiring process runs on urgently and looks for top talents who could start immediately...
Read moreUrgent NFT Minting Website Backend
We already have the Smart Contract Complete and have the front end source code. We just need someone to build the backend and connect our smart contract and sou...
Read moreExisting contract, make some changes in contract - deploy ERC1967 contract -- 2
I have a contract, add changes and deploy ERC1967 upgradeable contract. Experience with hardhat is needed. Solidity experience a must for this job and blockchai...
Read moreBuild a smart contract
I need an nft smart contract that allows for a few utilities, such as staking, farming, token connections, maybe custom token etc
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