Blockchain projects — HireLancer archive

ID / Date Listing

Ethereum Flash Loan Arbitrage Bot

I want a production-ready flash-loan arbitrage bot that operates on Ethereum and combines Aave flash loans with price opportunities across Uniswap and Sushiswap...

HL-40541503

Private Blockchain User Management Website

I'm seeking a skilled developer to create a website for a private blockchain. This site will serve as a user management system. Key Requirements: - User registr...

HL-40538859

Blockchain Dental Practice Marketplace

Description: I am building a platform for buying and selling dental practices (similar to a specialized MLS for dental clinics). I want to integrate blockchain...

HL-40538870

Asia-Based Technical Recruitment Partner Needed

We are a Canada-based technology company expanding our global remote workforce and are looking for recruiting partners across Asia to help us identify, engage,...

HL-40538547

Build Multichain DeFi Smart Contracts

We're building a next-generation DeFi dApp that blends three core mechanics—staking rewards, automatic charitable allocations, and a deflationary token-burning...

HL-40536848

Ether.fi Remote Blockchain Developer

Position Type : Full-time/Part-Time Location : 100% Remote Compensation: $195K to $220K Company: Ether.fi Qualifications • Strong skills in Solidity and the EVM...

HL-40536704

Revamp of Cryptocurrency Learning System

I have inherited an older learning management system that teaches cryptocurrency and blockchain-related education. The platform already exists and has users, co...

HL-40536605

WebGL/Android USDT Ludo Game

I’m building a real-cash Ludo experience that runs just as well in a WebGL browser window as it does on Android. Players will stake and win USDT, so every depos...

HL-40535825

Shanzai Blockchain Development

I need an experienced blockchain developer or development team to build a new Layer-1 blockchain called Shanzai Blockchain with its native cryptocurrency SHANZA...

HL-40535318

Разработка Токенизированной Землёй Приложение

Техническое задание (MVP → масштабируемая платформа) 1. Общая информация Название проекта: Global Land Market Цель: Создать мобильное приложение для покупки, пр...

HL-40534683

Blockchain MLM Matrix Development

I'm seeking an experienced blockchain developer to create a smart contract for a binary MLM matrix plan. The smart contract must facilitate automatic payouts. K...

HL-40534495

New Blockchain Backend Development

I’m building a ground-up blockchain platform and need the entire server-side foundation engineered—from core architecture through to production deployment. At t...

HL-40530943

Multimedia App Development with Blockchain Integration

Better Future With Best Platforms "Turn your skills into income. Connect with clients, find projects, and grow your freelance career—all in one place." Modern &...

HL-40529416

Blockchain Auditor for BlessChain Project

# Senior Substrate Runtime Engineer / Technical Auditor Needed ## Project Overview BlessChain is an independent Layer-1 blockchain currently under development u...

HL-40527977

Smart Contracts for RWA Tokenization

We're building a Web3 real estate tokenization platform and looking for an experienced Solidity developer. Scope includes: ERC-721 for property ownership NFTs E...

HL-40527986

Solidity Dev for Lending Protocol

Our team is midway through building a new on-chain lending/borrowing platform and I need a Solidity engineer who can take full ownership of the remaining smart-...

HL-40525887

Ethereum Payment Smart-Contracts Integration

I’m ready to let my shoppers pay straight from their crypto wallets, and I need a skilled Blockchain & Web3 engineer to make it happen on Ethereum. The core job...

HL-40525686

Blockchain Integration for Healthcare Records

I run an electronic health-record platform and I am ready to weave blockchain into it so every update, hand-off, and patient consent is cryptographically sealed...

HL-40524773

AI-Powered Blockchain for Crypto Trading

I’m building a blockchain platform dedicated to cryptocurrency trading and I need a developer who can weave advanced AI directly into the chain’s core functions...

HL-40524817

Blockchain MLS Platform Development

I need a full-stack blockchain developer who can recreate the core experience of while moving every critical data point on-chain for tamper-proof transparency....

HL-40523866

AI Blockchain Real Estate Platform MVP

The project centres on delivering the first public-facing release of an all-in-one real-estate platform. The web app is already framed around React on the front...

HL-40522357

Backend Engineer (Solidity)

We're building a decentralized marketplace focused on real-world asset (RWA) tokenization in the Web3 space. We're looking for a Backend Engineer with Solidity...

HL-40522396

Solidity Expert for Ether Blockchain Project

Company : Ether (ether.fi) Position Type : Full-time/Part-Time Location : 100% Remote Compensation: $195K to $220K Qualifications • Strong skills in Solidity an...

HL-40522260

Node.js Backend + Smart Contract Integration

We are looking for a senior developer who has some node BE and smart contract integration

HL-40521127

Bitcoin Wallet App Build

I want a clean, lightweight mobile wallet dedicated to Bitcoin only. The core job is to design and code an app that lets users create or import a BTC address, v...

HL-40521180

Full-Stack & Blockchain Engineers Wanted

I’m expanding the engineering team at Defiance Capital as we roll out new GameFi and DeFi on-chain products that tap into the power of modular blockchains. If y...

HL-40521096

MLS Platform API Integration Upgrade

I am seeking an experienced developer to build and enhance a Multiple Listing Service (MLS) platform for real estate listings. The platform will manage a large...

HL-40520357

Blockchain Engineer for Trading Protocol

Job Title Blockchain Engineer – Copy Trading Protocol Engagement Type Remote, Full-Time Compensation Budget: $120,000 to $140,000 per year, paid monthly. Role O...

HL-40520135

EVM RWA Tokenization Platform Development

We are looking for - solidity smart contract developer - web3 developer - blockchain architect to build an RWA Tokenization Platform.

HL-40519711

Ethereum RWA Tokenization Platform Build

We're developing an ecosystem that supports asset onboarding, investor management, compliance workflows, analytics, and marketplace functionality, starting with...

HL-40519539

Optimizing E-commerce SEO and Web Speed

DeFi Developer Opportunity Innovative Metaverse & Blockchain Project This is a genuine opportunity to contribute to a pioneering Metaverse project that integrat...

HL-40518909

Pi-Based 40-Coin Crypto Wallet

I want to turn a Raspberry Pi 4 into a personal, air-gapped hardware wallet that safely stores and transacts with forty different cryptocurrencies—Bitcoin, Ethe...

HL-40518713

Decentralized Fintech & Data Exchange Platform

I want to build a production-ready, decentralized platform where finance takes centre stage but is architected so that supply-chain and healthcare modules plug...

HL-40518768

Blockchain Integration Strategy Consultation

I would like an experienced blockchain consultant to help me craft a clear-cut strategy for integrating distributed-ledger technology into our existing systems....

HL-40517102

Need Crypto Wallet Expert to Find Non-Custodial

Crypto Wallet Research Expert Needed Looking for an experienced crypto/blockchain researcher to identify non-custodial wallets that function as regular personal...

HL-40517944

Web3/React Expert for NFT Warranty System

React/Web3 Developer Needed to Fix NFT Warranty System I recently purchased an NFT Warranty System source code and am looking for an experienced React/Web3 deve...

HL-40516151

Part-Time Crypto Enthusiast Needed

I run a well-established firm that has spent the past decade working at the forefront of digital finance, and I’m opening a flexible, part-time seat for someone...

HL-40515666

Web3 Trading Platform Development

Frontend Engineer (React + TypeScript + Web3) We are building a Web3 trading platform and are looking for an experienced Frontend Engineer to help create a fast...

HL-40514920

Seeking For Blockchain + Next.js Experts For NFT Marketplace

I’m finalising the design of an NFT marketplace front-end in Next.js and now need a seasoned blockchain developer to carry it the rest of the way. The job centr...

HL-40514232

Comprehensive Crypto Trading Platform Development

I need an end-to-end solution that covers token creation, a fully featured trading environment, and live market connectivity. Phase 1 – Token Generation Create...