Smart Contracts projects — HireLancer archive

ID / Date Listing

Gaming Platform Blockchain Integration

Blockchain Developers (Full-time / Part-time) – Decentralized Gaming Platform | $3M Project 1. Project Overview We’re building Betfin (https://betfin.io) — a ne...

HL-39931481

TRC20 Transfer & Balance dApp

TRC20 Transfer & Balance dApp TRC20 Transfer & Balance dApp

HL-39929487

Build Betfin on BSC

I’m looking for one experienced blockchain developer—or a tight-knit team—to turn my Betfin concept into a fully functioning decentralised application on Binanc...

HL-39929218

Substrate MVP Chain Build

I’m looking to get a bare-bones Substrate blockchain up and running so I can validate a custom consensus mechanism. Think of it as an MVP: no bells and whistles...

HL-39927992

Hyperledger-Based Routing Optimization System -- 2

I am developing a system to connect multiple logistics organizations through a permissioned Hyperledger Fabric network. In this setup, each organization operate...

HL-39927743

Lead Blockchain Engineer

I’m expanding an existing application onto the blockchain and need a mid-level engineer who can own the integration layer from end to end. Your main focus will...

HL-39927619

React Native Web3 Upgrade

I’m refreshing an already-launched React Native application and need a developer who can add solid Web3 capabilities while giving the interface a modern polish....

HL-39927689

BEP-20 Token Smart Contract

I’m looking to have a BEP-20 token smart contract written, tested, and deployed on Binance Smart Chain. The contract should follow the standard BEP-20 interface...

HL-39927341

Expert Web3 QA Tester for Rigorous Withdrawal Logic & Stress Testing (React/Ethers.js)

I am urgently seeking a highly meticulous Web3 developer or QA specialist to conduct a final, rigorous stress test and audit of a recently implemented crypto wi...

HL-39927344

Expert Web3 QA Tester for Rigorous Withdrawal Logic & Stress Testing (React/Ethers.js) -- 2

I am urgently seeking a highly meticulous Web3 developer or QA specialist to conduct a final, rigorous stress test and audit of a recently implemented crypto wi...

HL-39927102

React & Ethers.js Developer to Fix Withdrawal Function & Deploy Site

I am looking for an experienced, full-stack Web3 developer to debug and complete a token withdrawal function within an existing React component and then deploy...

HL-39927067

React & Ethers.js Developer Needed to Fix Crypto Withdrawal Function

Project Description: I am looking for an experienced Web3 developer to debug and complete a token withdrawal function within an existing React component. The ap...

HL-39927072

: React & Ethers.js Developer Needed to Fix Crypto Withdrawal Function

I am looking for an experienced Web3 developer to debug and complete a token withdrawal function within an existing React component. The application is a dashbo...

HL-39924649

Integration of tokens into popular wallets.

I have a token and want it to display correctly in the most popular crypto wallets. At this point, I only need a basic, inexpensive setup that recognizes the to...

HL-39925270

Binance Smart Chain Token Contract

I’m creating a new digital coin and need a straightforward BEP-20 smart contract on Binance Smart Chain. What I expect from you: • Clean, audited-style Solidity...

HL-39925102

DeFi Engineers Needed

Zoro is an EVM compatible protocol that enables supplying of crypto assets as collateral in order to borrow the base asset. Accounts can also earn interest by s...

HL-39923069

Decentralized Voting DApp Development

Best Programming Language Decentralized Voting DApp 1. Overview The Best Programming Language Voting DApp is a decentralized web application that allows users w...

HL-39922935

BNB Smart Contract dApp Development

I’m building a decentralized application and need a Solidity specialist who can design, code, test, and deploy production-ready smart contracts on BNB Smart Cha...

HL-39922327

React Native Ethereum Integration

I have a React Native application that now needs an Ethereum layer. The goal is to weave blockchain capabilities seamlessly into the current codebase, starting...

HL-39922351

Standalone DeFi Swapping Contract on Solana

I’m looking for an experienced Solana smart-contract developer to build a standalone DeFi swapping and trading program from the ground up. The contract will not...

HL-39921755

Monad Chain Jackpot DApp

I’m building a provably-fair jackpot / lottery game on the Monad EVM chain, patterned after solpot.com but with stronger security guarantees. The game flow is s...

HL-39920872

Binance Smart-Chain Payment Coin

I need a straightforward BEP-20 token built on Binance Smart Chain to serve purely as a payment coin. The goal is to have a reliable, light-weight contract that...

HL-39918033

Add Token to MetaMask & Trust

I already have my token live on-chain and now need it to appear correctly in both MetaMask and Trust Wallet. Your task is straightforward: guide me through—or h...

HL-39917539

Create BSC Token & Branding

I’m ready to launch a BEP-20 token on Binance Smart Chain aimed at investment and trading. I need a straightforward, production-ready smart contract that includ...

HL-39915922

Web & DApp Penetration Testing

I will hand over a curated list of live targets—a traditional, login-based crypto portal plus several production DApps—and I need you to treat them as a black b...

HL-39915758

dApp fetching trc20 trust wallet

HL-39914340

Blockchain Dapp devloper

Crypto / dev communities (targeted) India blockchain developers GitHub — search contributors (then DM). Meetup.com — search “Indore tech / blockchain” meetups....

HL-39913338

Ready-Made Crypto P2P Script

I need P2P(peer-to-peer) crypto trading script I can install and run with minimal tweaking. The major feature is trading between users—buyers and sellers must b...

HL-39911844

Blockchain Expert for ICO/IDO/DEX Project Completion -- 3

Hello I’m in the final stretch of launching an ICO/IDO/DEX and now need a seasoned blockchain developer to complete the platform-side integration with Binance S...

HL-39910178

Web3 Gaming Platform Blockchain Developer Needed

I’m expanding our core team for an upcoming Web3 gaming and staking platform and I’m looking for a seasoned Blockchain Developer who lives and breathes Solidity...

HL-39910188

Blockchain Developer for Maritime Trade Ecosystem

We are looking for a highly skilled Blockchain Developer to help us develop and integrate a crypto based ecosystem designed to transform the maritime and trade...

HL-39908815

Crypto Lay-Betting Platform Creation

Project Title: Crypto-Based Lay Betting Platform Development Project Description: I’m looking for an experienced web developer or a team to build a crypto-based...

HL-39908030

Canton .canton Registry Development

I want to launch a domain-registration service on Canton Network that mirrors the core idea of Ethereum Name Service, but keeps the scope tight: users should be...

HL-39906310

Brisbane-Based Cryptocurrency Creation (BASED IN BRISBANE OR SURROUNDING) -- 2

Please take notice is ONLY BASED IN BRISBANE PREFERRED OR BASED IN AUSTRALIA. I’m ready to launch a cryptocurrency that can function both as a payment method an...

HL-39905931

Check the Code, Testnet deploy, Security Audit, Front end integration, testing, Mainnet Deploy -- 2

I have the whole code ready for smart contract that launches the native token for my forthcoming Layer-2 chain. The chain will be built with CDK Validium, so fa...

HL-39904940

URGENT: React Mining App: Implement LIVE Crypto Withdrawal via MetaMask Integration -- 4

We need a skilled React/Web3 developer to bridge the gap between our high-fidelity mining simulator and a fully functional withdrawal feature that processes a r...

HL-39904997

Blockchain Developer/Web3 Gaming/Staking Platform Team

Blockchain Developers and Senior Leaders We're looking for experienced blockchain developers and senior leaders to work on a Web3 gaming and staking platform pr...

HL-39904908

URGENT: React Mining App: Implement LIVE Crypto Withdrawal via MetaMask Integration

We need a skilled React/Web3 developer to bridge the gap between our high-fidelity mining simulator and a fully functional withdrawal feature that processes a r...

HL-39904910

URGENT: React Mining App: Implement LIVE Crypto Withdrawal via MetaMask Integration -- 2

We need a skilled React/Web3 developer to bridge the gap between our high-fidelity mining simulator and a fully functional withdrawal feature that processes a r...

HL-39904912

URGENT: React Mining App: Implement LIVE Crypto Withdrawal via MetaMask Integration -- 3

We need a skilled React/Web3 developer to bridge the gap between our high-fidelity mining simulator and a fully functional withdrawal feature that processes a r...