Smart Contracts projects — HireLancer archive

ID / Date Listing

Advanced Web3 Store Integration

I already run a live e-commerce shop and now want to layer in true Web3 functionality so customers can pay with USDC, sign transactions directly from their pref...

HL-39807894

Blockchain Development Specialist

I'm seeking an experienced blockchain developer for an upcoming project. Key Requirements: - Expertise in at least one blockchain platform (Ethereum, Hyperledge...

HL-39807875

Custom ERC-1155 Collectible Deployment

I’m ready to launch a line of collectible NFTs and need a Solidity specialist to craft and deploy a custom ERC-1155 contract on Ethereum. The goal is a contract...

HL-39807233

TRC20 Token Auto-Listing Support

I have created a TRC20 token with basic functions (transfer, approve, etc.). It’s already deployed on the mainnet and verified on Tronscan. However, the token n...

HL-39806543

Shiller / Raider / X Community Builder

We can pay monthly or weekly. Currently we have few followers on X and want to grow this to 5000. You will need to have a good track record of growing X. Also e...

HL-39805953

Fix BlessChain MVP Bugs

BlessChain Development - MVP Bug Fix 1. Project Overview BlessChain is a blockchain project built on the Substrate framework. The goal is to launch a minimal st...

HL-39805319

Looking for Senior Blockchain & Software Engineers

I need three seasoned blockchain developers and four equally experienced general software engineers for our ongoing projects. Every member I bring on must be co...

HL-39805405

Ethereum DEX Smart-Contract Development

Building the smart-contract layer of my Ethereum-based decentralized exchange is the next milestone on my roadmap. The goal is to ship production-ready Solidity...

HL-39803853

Ethereum Real Estate dApp Development

I already have the front-end scaffolded with React + Vite and part of the contract layer written, and now I need help turning the project into a production-read...

HL-39803230

Ethereum Token and Voting Developer

I’m expanding an existing dev team and now need someone who can help us. Blockchain knowledge is compulsory

HL-39801717

Experienced Web3 Engineer Needed

I’m building a new blockchain-powered product and need an engineer who can take it from concept to mainnet. You’ll help me refine the technical approach, choose...

HL-39801757

ASAP Smart Contract Build

This project centres on end-to-end smart contract development, with the front-end and back-end pieces delivered alongside the Solidity code so the whole stack i...

HL-39800968

TRON TRC-20 Token Creation on Binance

I want a USDT-style token deployed on both Tron (TRC-20) and Binance Smart Chain (BEP-20). The contracts should be written in Solidity for BSC and the native Tr...

HL-39799136

Blockchain Developer for NFT Marketplace

I need a blockchain developer to provide advance features on my current working NFT market place, so the NFT holder community can benefit the additional data I’...

HL-39799777

Aave-Style DeFi Platform Build

I’m ready to launch a DeFi website that replicates Aave’s smooth staking-and-lending experience while adding a bespoke CRM layer and seamless cryptocurrency-wal...

HL-39799486

Hybrid DEX/CEX with Token Bridge

I’m ready to commission a full-stack hybrid exchange that blends a DEX and CEX under one roof, complete with on-chain bridging and wrapping so users can move as...

HL-39798988

Solana Smart Contract Modifications & Deployment

PLEASE DO NOT BID IF YOU HAVE NOT CHECKED ALL SPECIFICATIONS OF PROJECT. PROJECT SPECIFICATIONS WILL NOT CHANGE SO YOUR POSTED BID AND DEADLINE WILL BE FINAL. A...

HL-39797190

Ethereum DeFi Integration Expert

I need a Web3 developer who can weave proven DeFi protocols directly into my Ethereum-based project. The goal is simple: users should be able to interact with o...

HL-39795377

Smart Contract Fixes & Non-Technical Assistance for Implementation

I am seeking an experienced developer to help fix an issue in my smart contract and assist with a non-technical problem related to its implementation. The ideal...

HL-39795105

Brisbane-Based Cryptocurrency Creation

I’m ready to launch a cryptocurrency that can function both as a payment method and an investment vehicle, and I’d like to collaborate with a Brisbane-based blo...

HL-39794281

MasterkeyAI

Necesito una plataforma tecnologica para inversiones inmobiliarias tokenizadas basada en Blockchain, incluyendo smart contracts, wallets, integración de mercado...

HL-39793366

Asesoría técnica en Blockchain para billetera de autocustodia (gestión de fees en transacciones)

Descripción Estamos desarrollando una billetera de autocustodia y necesitamos asesoría especializada en Blockchain para resolver un reto técnico relacionado con...

HL-39792375

Multi-Chain Gaming dApp Development

The core of this build is a fully on-chain gaming experience, delivered through a single decentralized application that talks fluently to several EVM-compatible...

HL-39792158

Setup DocuSign for e-Signature (Spain/EU) + Multilingual Legal Template Creation - 15/09/2025 06:00 EDT

We are looking for an experienced freelancer to help us with two main tasks: 1. Setup DocuSign for Spain/EU Compliance - Configure DocuSign for electronic signa...

HL-39792065

Blockchain Smart Contract Developer – Matrix Crowdfunding (Phase 1)

I am looking for a blockchain developer to build the smart contract for a 3x2 forced matrix system. The contract must support up to 6 levels at launch and be ex...

HL-39791024

Smart Tourist Safety Platform Development

I need a proof-of-concept platform that lets visitors create a secure Digital Tourist ID before they even leave home and then automatically activates it the mom...

HL-39789365

Solana Integration: Tokens, NFTs & Contracts

hi looking forward to work with blockchain enthusiasts. see attached file :)

HL-39788475

Blockchain Development Expertise Wanted

I’m planning a new blockchain initiative and need an experienced developer who can guide the technical choices and then build the solution from the ground up. A...

HL-39788396

Metaverse Platform & Web Development

Brainbot is a leading Custom Development Company with highly skilled group of professionals. With a highly skilled group of professionals, we are dedicated to p...

HL-39786592

Custom ERC-1155 Collectibles on Ethereum

ERC-1155 NFT deploy. NFT image and attributes should be shown on etherscan.

HL-39786260

Python Solana Soulbound NFT Builder

I need a concise Python-based solution that lets me mint soul-bound NFTs on Solana while feeding in the key fields myself: a locally uploaded image, metadata at...

HL-39785911

BlessDEX - a decentralized exchange (DEX)

BlessDEX MVP – Development Requirement Specification 1. Project Overview BlessDEX is a decentralized exchange (DEX) enabling users to securely swap tokens using...

HL-39785857

Create an cryptocurrency -- 3

I want to create my own cryptocurrency based on thiese preferencess: On the Solana Blockchain. I want it for peolple to stake on in. STAKING: A coin where there...

HL-39785739

Create an cryptocurrency -- 2

I want to create my own cryptocurrency based on thiese preferencess: On the Solana Blockchain. I want it for peolple to stake on in. STAKING: A coin where there...

HL-39785700

Create an cryptocurrency

I want to create my own cryptocurrency based on thiese preferencess: On the Solana Blockchain. I want it for peolple to stake on in. STAKING: A coin where there...

HL-39785513

Blockchain & NFT Integration About Real Estate

I’m building GoldenCity, an ambitious platform that merges real-estate experiences with web3 technology. The core architecture, 3D visualisation layer, and AI m...

HL-39785537

Ethereum Art NFT Marketplace

I’m planning a full-stack marketplace dedicated to digital art and other collectible NFTs on the Ethereum network. The goal is to give artists a simple way to m...

HL-39785282

Create my own cryptocurrency.

I want to create my own cryptocurrency based on thiese preferencess: On the Solana Blockchain. 1 000 000 000 coins. I want to sell 10% of these (100 000 000.)....

HL-39785087

Smart Contract Development for Carbon Credits

I need a skilled blockchain developer to create a smart contract on a DEX platform. This contract will convert utility tokens into carbon credits. Key Requireme...

HL-39781682

100B Token Meme Coin Launch

I’m ready to mint a fixed supply of 100,000,000,000 meme tokens that will live side-by-side with my main project. Every time I publish a new release of that pro...