Blockchain projects — HireLancer archive

ID / Date Listing

Crypto Marketplace Upgrade Lead

We need to upgrade an old cryptocurrency marketplace that now needs a coordinated, end-to-end upgrade. Both the client-facing frontend and the transaction-heavy...

HL-40177387

Hyperledger Fabric and CockroachDB Integration

Hyperledger Fabric has established itself as the de facto standard for permissioned blockchain infrastructure within the enterprise sector. Its modular architec...

HL-40176527

Build "Gold ID" (Web3 Domain Name Service) on EGoldChain

Hiring for Gold ID (Web3 Domain Name Service) on EVM Chain (Urgent project / Budget negotiable) Project Details: I am building my own blockchain called “EGoldCh...

HL-40176111

Custom Blockchain Integration for Android Wallet

I have a multichain, non-custodial wallet running on Android and the next milestone is to add support for a brand-new blockchain that is not yet included in com...

HL-40175937

User-Friendly Website Development

I am looking for a skilled and reliable web developer to create a professional, modern, and user-friendly website. The goal is to build a site that is visually...

HL-40175634

We need a crypto content writer copyright & crypto ai news writer

We are seeking a skilled writer for our crypto news & media company. The role involves writing crypto, blockchain, AI, and Web3 news content. Condition: daily m...

HL-40175698

SlitherChain - Révolution du Gaming Blockchain

Vision du Projet SlitherChain est une révolution dans le gaming compétitif en ligne. Nous fusionnons l'addictivité des jeux .io classiques avec la transparence...

HL-40175244

Real Estate Tokenization Website

I am tokenizing real-estate projects and need a polished, corporate-grade website that lets accredited and retail investors buy blockchain tokens backed by prop...

HL-40174201

Blockchain Developer Needed to Fork EVM Chain (Geth/Polygon SDK)

Description: • "I need an experienced blockchain developer to build a custom EVM-compatible chain (Fork)." • "Requirements: Setup Genesis Block, customize Chain...

HL-40174053

Polymarket Auto Trading Bot Development

Project: Polymarket Automated Trading Bot (Node.js or Python) I’m looking for a blockchain developer to build a working Polymarket automated trading bot. Langua...

HL-40171599

Plataforma de Tokenização Institucional

Objetivo do Projeto Desenvolver uma plataforma web (tokenizadora institucional) que permita a tokenização segura de ativos reais como empresas, carreiras artíst...

HL-40171158

Разработка автоматизированного De-Fi Flash Loan Арбитраж Бота

1. Цель Проекта Разработка автоматизированного сервиса для обнаружения и исполнения арбитражных возможностей в DeFi с использованием флеш-кредитов (flash loans)...

HL-40170583

Blockchain Assurance Tech Lead

I head a fast-expanding digital-asset assurance practice and need a senior technologist who can turn complex on-chain activity into audit-ready evidence. Our en...

HL-40167246

CIO for Cryptocurrency Investment Firm

Casual / posting style Remote & Onsite: US-based candidates only. About Us: Advisory, Executive Search, Senior Appointments, Interim Management Consultants Job...

HL-40166141

Blockchain Real Estate Explainer Video

I need a concise, professional-grade video that clearly explains how our real-estate portfolio is being tokenized on the blockchain and why that unlocks strong...

HL-40165079

Upgrade Solana Bot to Jupiter Ultra

I have a Python-based Solana trading bot that still calls the legacy Jupiter swap and quote endpoints. Everything else—routing logic, signal generation, schedul...

HL-40165104

Solana Bot Jupiter Ultra Upgrade

I have an existing trading bot on Solana that already handles routing, strategy, and portfolio logic exactly the way I need. The only outdated piece is the swap...

HL-40163955

Hiring a Marketing Assistant

Qorexa Labs is a blockchains LLC based in the US, we're all about growing a fantastic community around what we do. Main Focus is making relationship between blo...

HL-40162485

Verified HTX Account Creation

I need a completely new HTX (Huobi) exchange account opened and taken all the way through KYC so it shows “Verified”. The identity check must be done with a Nat...

HL-40162176

Ottimizzazione Sniper Bot Sell Swap

Ho già completato gran parte del mio sniper bot che opera sia su pump.fun sia su Raydium e integra jito bundle insieme a yellowstone. Ora voglio concentrarmi su...

HL-40161918

Develop CryptoEmpire Blockchain DEX - 19/01/2026 14:48 EST

CryptoEmpire is ready to graduate from white-paper to a live, self-sustaining blockchain that powers its own decentralized exchange. The immediate scope is pure...

HL-40161981

Blockchain Medicine Inventory Frontend Integration

I have an on-chain medicine management concept ready to go and a smart contract already drafted; what I now need is a clean, responsive frontend that connects t...

HL-40161578

Develop CryptoEmpire Blockchain DEX

CryptoEmpire is ready to graduate from white-paper to a live, self-sustaining blockchain that powers its own decentralized exchange. The immediate scope is pure...

HL-40161617

Develop CryptoEmpire Blockchain DEX - 19/01/2026 12:34 EST

CryptoEmpire is ready to graduate from white-paper to a live, self-sustaining blockchain that powers its own decentralized exchange. The immediate scope is pure...

HL-40160453

Blockchain Gaming Developer for Poker Platform

1. Job Title & Basic Info “ Web3 Poker & Betting Platform – Blockchain Gaming Developer Needed” → You are looking for a developer skilled in Web3 and blockchain...

HL-40160252

Debug Privy Safe Deployment

My Next.js dApp authenticates users with Privy, then hands control to the Polymarket Safe-SDK to spin up a personal Safe so they can transact. The hand-off is w...

HL-40160180

Polymarket Safe Auth Fix : safe deployment and approval overall flow for user trading

I have a Next.js-based dApp that relies on Privy for onboarding and Polymarket’s Safe deployment flow to spin up user safes once they connect. Right now the pro...

HL-40157832

Solana Token Voting Platform Build

I need a lightweight web app that lets anyone list a new Solana-based token, attach a payout wallet, and then compete for community votes until a fixed deadline...

HL-40156671

Mobile & Blockchain App Development

I'm seeking an experienced full-stack developer to build a mobile application on both iOS and Android. The app will be blockchain-based using Binance Smart Chai...

HL-40156157

Accountless Monero Storefront Build

I want to launch a privacy-focused web shop where shoppers never need an account yet can still place orders, while vendors enjoy a full dashboard and, most impo...

HL-40156222

Cryptocurrency Buyer / USDT Purchase Agent

We are looking for a reliable and trustworthy freelancer to assist in buying USDT (Tether) and managing crypto transactions securely. The ideal candidate must b...

HL-40155849

Mobile Web3 Logic Puzzle

I’m building a mobile-first, Web3-enabled logic-puzzle game and now need a backend that can handle both traditional game mechanics and on-chain interactions. Pl...

HL-40155007

Analisis Fundamental Crypto Mendalam

Saya ingin fokus memperoleh penghasilan melalui investasi atau trading Cryptocurrency dan membutuhkan pendampingan khusus di sisi analisis fundamental. Tolong b...

HL-40153507

Meme Coin Creation on Ethereum

I'm looking for a developer to create a basic meme coin on the Ethereum blockchain using a standard smart contract template. Requirements: - Create a meme coin...

HL-40154376

Ethereum PoW Cryptocurrency Creation

I need a brand-new cryptocurrency launched on the Ethereum code-base. Although Ethereum’s mainnet has moved to Proof of Stake, my plan is to fork the last PoW v...

HL-40153862

Gate.io KYC & Whitelist Setup

I have just opened an account on Gate.io and want to get everything verified and secure before I start trading. The first milestone is passing the full KYC revi...

HL-40153793

Build or rip and build a website

Build me, or rip and build me a website which will be dedicated to the discovery and sale of a particular item. I would like the website made in a way with a bl...

HL-40153488

OpenSea NFT Short - Long Term Blast Marketing with "Free Bonus"

OpenSea NFT Short - Long Term Blast Marketing with "Free Bonus" Project!!! Expert NFT marketers with clientele only apply. The Hired work Hello, I am seeking 12...

HL-40153437

OpenSea NFT Short - Long Term Blast Marketing with "Free Bonus"

OpenSea NFT Short - Long Term Blast Marketing with "Free Bonus" Project!!! Expert NFT marketers with clientele only apply. The Hired work Hello, I am seeking 12...

HL-40152969

React Laravel Market Site with Crypto Potential

I am a market owner, and I currently have a reference project that is running locally (no live link yet). The project was built using React and Laravel, and it...