Smart Contracts projects — HireLancer archive

ID / Date Listing

Olympus Dao expert for forking

I want a blockchain expert who is very good at olympus dao platform. I need some smart contract changes and current frontend integration. Please apply if you ar...

HL-34012030

an integrated Model to Blockchain & SDN &Fog Computing for IoT app

a security architecture which integrates blockchain technology, fog computing and defined software networks for the Internet of Things Applications These archit...

HL-34011116

Long Term NFT Minting Project

Requires a specialist who is able to develop a token and a smart contract. We need a specialist for not just one project, we launch about 10 projects a month an...

HL-34010438

Rust Expert Needed

Seeking RUST developer to fix error of exciting staking project! Security-orientated team. Pentesting skills would benefit the project as a whole but not nececa...

HL-34010078

Token BEP20 (Developer Solidity din Iasi, Romania)

DO NOT BID UNLESS YOU ARE A SOLIDITY DEVELOPER FROM IASI, ROMANIA OTHERWISE I WILL REPORT YOU. Salutare. Caut un developer in Solidity care poate face un token...

HL-34008983

Fix NFT smart contract

We am looking for an extremely good blockchain developer to fix an error we have in a function of our token. While we think we have gotten the unique features r...

HL-34008554

Crypto currency exchange -- 2

Hello, www.paybis.com i need a site with a like. The system should be able to work manually and automatically Where can we connect api for Kyc and Aml He will b...

HL-34008469

BEP20 Token Smart Contract

Develop BEP20 token smart contract with taxes and upgradable. Requirements> Share your portfolio in comment bscscan and similiar >In supply : 1b >Total tax: >>D...

HL-34008118

Smart Contract Expert: Implementing Secondary Royalty for Opensea

I am looking for smart contract expert who is able to implement secondary royalty for opensea. Thanks

HL-34007707

Build a bridge token

We need to build a bridge token that works on BSC and Polygon network. If you have any experience, please bide on with the past projects. Thank you.

HL-34007636

Developer of Crowdfunding Smart Contract on BSC and website integration

We are hiring a Crowdfunding Smart Contract on BSC (Binance Smart Chain) and it's integration on the website. Example of base code: https://github.com/OpenZeppe...

HL-34006648

Smart Contract Deployed on Remix

I need a smart contract deployed on remix that allows me to send coins to a personal address

HL-34006421

Basic Proxy Smart Contract

I need someone to write a basic proxy smart contract. There is one basic functionality for the contract which is picking up one value of specific fees and send...

HL-34005003

adjust staking website funtion

adjust staking website funtion add more pare to stake add transaction in db add more lock date selection

HL-34003946

Opensea Collection Bid

Hello I would like someone to assist me in create a node js application to make collection bids in Opensea The function will take , the collection slug , price...

HL-34001385

Build Tokenomics and staking for NFT Project; Senior developer.

Tokenomics and staking for NFT Project project on NEAR PROTOCOL blockchain. Should be able to work independently on tasks and also be an advisor for other devel...

HL-34000290

Smart Contract Code Audit

Looking to bring someone to do quick smart contract code audit and fill out a form with the results. Code audits should take 30 minutes to an hour and we're loo...

HL-33995771

I want 10K NFT collections on Ethereum

I need an NFT expert who can help me to create 10K NFT collections. I need both NFT minting dapp and smart contracts.

HL-33995598

Smart Contract For NFT

Hi there, I need an experienced smart contract developer that can make me smart contract with logics, whitelist, giveaway, reveal and pre-sale functionality. Co...

HL-33995206

Build me Blockchain platform

Hi , everyone . I need blockchain and frontend developer for my website. please bid me once you can start now.

HL-33994015

simple fix

I have smart contract in solidity. but this contract have a bit problem so I need fix asap

HL-33993955

Smart Contract Reviews -- 2

Looking to bring someone to do quick smart contract reviews and fill out a form with the results. Reviews will take 30 minutes to an hour and we're looking at a...

HL-33991944

NFT developer

Looking for NFT developer for my website

HL-33991689

Create an NFT Minting DApp and Smart Contract

Context: 1)I have 10,000 NFT Images already created 2)I have 10,000 Metadata files already created What i need: 1)I need someone to create a minting DApp for a...

HL-33991621

Building a Web3.0 Platform

Need solidity smart contracts written. Need a web3.0 connection to wallet connect, metamask and other wallets. Need website to allow escrow. Will say more after...

HL-33989063

Blockchain Developer for NFT website

Looking for Blockchain developer for NFT website. More details in chat

HL-33986303

New NFT Game

I am going to make a fantastic NFT Game Website on my own. Actually looking for a developer who has experience in building NFT Games before. Here is a NFT game...

HL-33985905

Upload my NFT's on Opensea

I have approx 5000 NFT which has 8 original images and 4672 Other Images. also, I already created metadata and uploaded it on Pinata Cloud. so just want an expe...

HL-33984757

Smart contract developer.

Hi. Looking for someone with experience in creating smart contracts and deploying. Pls only apply if you have experience and have done in past.

HL-33984568

Write SOLIDITY smart contract

We want to copy existing project from github. Need to change few things from that contract.

HL-33981644

simple dApp for Algo?

We need to build a dApp that will let us (or an authorized user) select items to lock up for another person to be able to come claim. Should be able to select a...

HL-33981476

Roulette Game(Solidity SC)

Hello, We need a roulette game with excellent graphics, in solidity, with smart contract. Mobile based or responsive. Best Regard's VG

HL-33981281

Crear token ERC-20 -- 2

Busco experto en blockchain que me ayude a crear smart contract y token ERC-20 en Etherum.

HL-33981058

MERN expert for my NFT project

I am webGL developer, so I have one three.js project. Now I am looking for someone who have good react, smart contract and three.js experience for my project. I...

HL-33981063

Smart Contract developer for BSC and ChainLink

We require a smart contract developer for a BEP-20 with integrations to service modules from ChainLink. The project is expected to last for 3-4 weeks. Flat-rate...

HL-33979282

Create NFT + Gift Cards with Utility And Launch NFTs to drive Referrals

There is a requirement for the rfollowing: #1 Create NFT + Gift Cards with Utility #2 Launch limited edition NFTs to drive Referrals through the provision of in...

HL-33974670

Blockchain Migration (Terra to Solana)

I would like to migrate an existing project from Terra to Solana to take advantage of the Solana's speed and low transaction fees. The current project on Terra...

HL-33973468

smart contract error fix

I have error some in my smart conract. I am looking for someone that solve this problem.

HL-33972086

Looking for a solidity developer for long term cooperation

solidity ^0.8.11 ERC721EnumerableUpgradeable ECDSAUpgradeable EIP712Upgradeable AccessControlEnumerableUpgradeable ReentrancyGuardUpgradeable StringsUpgradeable...

HL-33970029

EVM - Solidity - looking for excelent smart contract Developer for long term

We are looking for an experienced developer for EVM and Solidity smart contracts for smart BCH infrastructure. https://smartbch.org/ We are interested in long-t...