Smart Contracts projects — HireLancer archive

ID / Date Listing

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-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-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-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-40152986

Full-Stack Web3 Developer for Token Rewards System

We are building a token rewards platform on the BSC chain that integrates with an existing marketplace. The platform enables users to stake tokens acquired thro...

HL-40151542

Custom Cosmos Layer-1 Chain Build

I’m ready to commission a sovereign Layer-1 network built with the Cosmos SDK. The chain must revolve around a bespoke consensus module that mints a “Primary As...

HL-40150760

Solana Meme Coin Launch Toolkit

I’m looking for a mentor-style specialist who can take me through the practical side of launching hype-driven Solana meme coins. My most urgent need is tighteni...

HL-40150061

TRC20 Flash USDT Solution Needed -- 2

I need a working flash-USDT setup that operates on the TRC20 chain and shows up reliably in Trust Wallet as well as on other major DEX interfaces. I am open to...

HL-40149498

Full-Stack & Blockchain Devs Wanted

Our small, fully-remote tech company is expanding its core team and I need one more seasoned engineer to keep projects moving at the pace our clients expect. Th...

HL-40149520

Binance Chain Game Integration

My team is preparing to roll out a large-scale game platform, and the very first milestone is weaving Binance Smart Chain directly into our existing back-end an...

HL-40148832

Blockchain-Native Autonomous Economic Agent

### Unique Type of AI Agent A distinctive type of AI agent that stands out from typical ones (like standard chatbots, virtual assistants, or simple automation b...

HL-40148272

Crypto Onramp & NFT Gateway

I need a straightforward system that lets my users purchase cryptocurrencies directly, then move seamlessly into buying or minting NFTs. The on-ramp must handle...

HL-40147786

Break-Test Our ERC-4337 Platform

Our ERC-4337 gas-sponsorship backend is feature-complete at MVP stage; now I want to push it to the edge before we move to mainnet. Your first mission is pure s...

HL-40146892

Polymarket on bnb chain

https://www.youtube.com/watch?v=BHLIJnS5Ikw https://thirdweb.com/devalex.eth/PrimapePrediction That's the whole code and video to make a polymarket like project...

HL-40144856

Web developer Need

Project Title Build a Homework Project Based on a Reference Application Project Description Hi! I’m a university student working on a homework project. I alread...

HL-40144272

Web3 farming Game

I want to create a browser-based Web3 game with the same social, farming-and-trading spirit players know from Pixels.xyz. The core build has to run smoothly in...

HL-40143830

Source Crypto Asset Suppliers

I need a reliable shortlist of vetted suppliers who can provide crypto assets in bulk or on demand. The exact type—whether mainstream cryptocurrencies, platform...

HL-40140236

TRON USDT Simulation Developer Needed

Project Title TRON (TRC20) USDT Simulation / Testnet System with Wallet Integration & Blockchain Confirmations Project Description We are looking for an experie...

HL-40138711

Stateful, Time-Sensitive Blockchain Automation System with Built-In Risk Controls

Project Description We are developing a robust and highly conservative automation system designed to interact directly with a blockchain-based protocol at stric...

HL-40137668

Solana SPL Bug fix for @engruhulajom

Airdrops big fix for @engruhulajom

HL-40136703

NFT Marketplace Full-Stack Build

I’m launching a brand-new NFT marketplace and need developer who can handle the entire stack—frontend, backend and the Web3 layer—so we can validate the full us...

HL-40133969

TRC20 Token Creation Specialist Needed

I’m ready to launch a new TRC-20 token on the TRON network and need an experienced blockchain developer to handle the entire creation process for me. Your main...

HL-40134006

Upgrade Crypto Poker App -- 2

I already have a working MVP of a Crypto-based Poker web application and I’m ready to take it well beyond “functional.” To be sure we’re a good technical fit, t...

HL-40133220

Upgrade Crypto Poker App

I already have a working MVP of a Crypto-based Poker web application and I’m ready to take it well beyond “functional.” To be sure we’re a good technical fit, t...

HL-40131856

HTMX Web3 Gaming DApp Frontend

I’m building a browser-based Web3 gaming dApp and need a production-ready frontend written entirely with HTMX (and any companion libraries you normally pair wit...

HL-40131147

Web3 Sports Betting Platform

I’m ready to turn my detailed product brief into a live, Web3-enabled trading experience where users can place sports bets in real time. The core of the build i...

HL-40130850

Hybrid Exchange Developer for CEX/DEX Integration -- 2

I’m developing a hybrid exchange that combines a conventional CEX backend and front end with on-chain DEX modules running on Binance Smart Chain, and I need a h...

HL-40129979

Solana Smart Contract Audit

I have a set of Solana-based smart contracts written in Rust that power a token-issuance module. Before we push the mint live, I want fresh eyes on both the con...

HL-40129810

Smart contract Deployment & Hosting

Summary THIS WORK ONLY INCLUDES SMART CONTRACT DEPLOYMENT AND HOSTING, NO ANY DEVELOPMENT WORK. START YOUR APPLICATION WITH "HOSTING MASTER" We are seeking an e...

HL-40128775

Memecoin Launch Crypto Dev

Launching a new memecoin and the success of day one hinges on smooth tech execution across Pump.fun and Raydium—both are equally critical to the plan. The core...

HL-40127242

Senior React + Web3 Frontend Developer for Real Estate Booking Platform with Crypto Payments

I’m close to launching a real-estate booking platform built with React and Ethereum smart contracts, and I need a frontend expert who can give the product its f...

HL-40126316

Ethereum Integration Finalization

I am wrapping up a high-visibility project for a Fortune-level client and need an experienced blockchain developer to help me close the last mile. The core requ...

HL-40126152

Token Creation GitHub Support

I have an in-progress token project created in Blastpad and im in need of GitHub coding. • Writing the contract itself • Testing and debugging every function •...

HL-40124916

React Real Estate Blockchain Upgrade

Our React-based real-estate booking platform is already live, but two things still hold it back: the user interactions feel limited and we have yet to hook in t...

HL-40123911

DeFi Protocol Development Needed

I’m planning to launch a new DeFi protocol from the ground up and need an experienced blockchain developer who can guide the entire build—architecture, smart-co...

HL-40122626

Token Development & GemPad Presale Launch -- 2

I am seeking a professional token developer with proven experience in blockchain projects, specifically for launching tokens on GemPad Presale. Project Scope: D...

HL-40117159

Web3 Crypto Casino Development

I’m putting together a full-feature crypto casino and need a Web 3 developer who can take it from concept to launch. The core stack will live on the Bitcoiun bl...