Blockchain projects — HireLancer archive

ID / Date Listing

Web3 Social Platform MVP

I want to turn my early-stage concept for a decentralised social network into a working MVP. The core idea is familiar—profiles, public and private posts, and r...

HL-40312253

Crypto/Web3 OTC DEX Single-Page Gateway Design

If you have never designed for crypto/Web3, do not apply. You must understand: Wallet connection flows (MetaMask, WalletConnect) 0x address formats & EIP-55 che...

HL-40311669

CabChalak B2B Taxi App Upgrade -- 2

cab app for drivers and vendor

HL-40309274

Mobile App & Crypto Coin Development

I'm looking for an experienced developer to build a mobile app and create a cryptocurrency coin to be used within the app. The app should be available on both i...

HL-40307958

Web3 Real-Time Strategy Game Development

I'm seeking an experienced game developer to create a Web3 real-time strategy game on the Base blockchain. The game should be engaging and incorporate crypto el...

HL-40307231

Publish article about cryptocurrency mining pool on US crypto / Tech blog

Description: Hello, I am looking for a freelancer who can publish a neutral informational article about a cryptocurrency mining infrastructure platform on a rea...

HL-40306359

AWS/GCP Agri SaaS Development

I’m building a full-scale Agriculture SaaS platform and need a developer who can take ownership of the cloud architecture and core feature set across both AWS a...

HL-40305038

React + Node.js Developer for Web3 Dashboard

Project Type: Hourly Budget: $25 – $35 / hour Workload: < 30 hrs/week Description We are looking for an experienced Full-Stack Developer with strong experience...

HL-40304808

Junior Backend / DevOps Engineer - Remote - US Startup Growth Role

Project description Startup Backend / DevOps Engineer (Growth Opportunity) We are a US-registered technology company building a fintech compliance platform and...

HL-40304865

Private Polymarket Scraping Competency Task

I’m opening this room so we can collaborate one-on-one on the assignment we previously discussed. Here is a mini-project that is a small test before committing...

HL-40303839

Blockchain Real Estate Marketplace Development

*Complete SOW attached* I am building a full-featured marketplace where owners of both residential and commercial properties can publish listings, buyers can se...

HL-40302502

Algorithmic Bot for Polymarket Trades to mimic my account

I trade on Polymarket with an algorithmic approach and would like that exact process coded so the system can handle my trades automatically. The core of the job...

HL-40302391

React + Node.js Developer for Web3 Dashboard

Project Type: Hourly Budget: $25 – $35 / hour Workload: < 30 hrs/week Description We are looking for an experienced Full-Stack Developer with strong experience...

HL-40300645

Mobile First-Person Crypto Action Game

I’m planning a first-person, action-fighting game that lets players earn and spend my existing cryptocurrency directly from their phones. The core loop should f...

HL-40299249

Ready-Made Crypto Trading Platform Demo

I need a fully-functioning demo of a trading platform that I can immediately present to stakeholders and, if it meets our standards, license or purchase outrigh...

HL-40298291

Solidity Engineer: Implement Ownerless HTLC + Mock Stablecoins (Chain ID 210)

⚡️ CALLING ALL CRYPTO-ANARCHISTS & EVM ARCHITECTS ⚡️ Project: The Sovereign Swap Genesis (Phase 1) Forget the $175—we’re here to build the bedrock of permissi...

HL-40296332

Web3 DApp Frontend Bug Fixes

Our DApp is live but two areas still misbehave: actions inside the user dashboard do not respond, and token balance / transfer calls occasionally fail or return...

HL-40296723

Rebuild Minimalist Crypto Trading Webapp

We have a prototype desktop crypto trading application that is not yet completed, and the original developer is no longer available. We are looking for an exper...

HL-40296279

BTTold to New BTT Swap

I hold a balance of BTT (“BTTold”) that is still sitting on its original base chain. My goal is to move those tokens onto the Tron network and complete the offi...

HL-40295950

Web3 Frontend Bug Fixes

Our dApp’s React-based frontend is live, but the UI stalls whenever it talks to our smart contracts—data can take seconds to appear, and some calls never resolv...

HL-40296033

Senior Full Stack Developer Needed

Senior Full Stack Developer (Fintech / Web3 Product) We are looking for a senior freelance developer to join an active digital product currently under developme...

HL-40292754

Set Up Besu Private Blockchain

I need a complete installation and configuration of a private Hyperledger Besu network whose main job is reliable data storage and sharing. I have servers ready...

HL-40291961

I need a freelancer who have bitcointalk high rank users like Member, Hero or Legendary

I need a freelancer who have bitcointalk high rank users like Member, Hero or Legendary Need to post and promote my Crypto project with posting.

HL-40291523

SOVEREIGN ZK-ATOMIC SWAP IMMUTABLE GROTH16 PRIVACY-SWAP ENGINE FOR TRUSTLESS OTC EXCHANGE

Research Focus: Improving Proof of Work (PoW) efficiency and cross-chain confidentiality via zk-SNARKs. The Groundfloor Opportunity: This project represents a u...

HL-40291369

Self-Hosted TRC20 Deposit Integration

I run a custom PHP + MySQL website and need a fully self-hosted USDT (TRC20) deposit flow. Here is what the job entails: • Each user must receive an automatical...

HL-40291323

Stablecoin Creation Specialist Needed

I’m preparing to launch a fiat-pegged stablecoin and need the complete coin/token creation handled from concept to main-net deployment. The focus is strictly on...

HL-40291341

Solana Integration & AWS Deployment -- 2

Please Note Before Proceeding Below: **This is a small initial project with a limited budget to evaluate the developer’s understanding and quality of work. Once...

HL-40291092

Memecoin Web3 Talent Acquisition Lead Generalist Functions -- 3

URGENT: Contract will be done outside the platform 50% after funding presales 50% after launch and will be paid through this platform, the freelancers you will...

HL-40290086

构建多交易所加密货币套利交易系统

我们需要开发一个支持多种套利策略的加密货币套利交易系统，具体要求如下： 1) 目标构建一个多交易所加密货币套利交易系统，该系统： • 通过 API 连接多个交易所 • 监控实...

HL-40288237

Solana Smart Contract Development

I am building out the core of a new product on the Solana blockchain and need a seasoned engineer to write, test, and deploy custom smart contracts. Your job is...

HL-40287126

Web3 Strategy Game Development

I'm seeking an experienced developer to create a Web3 strategy game accessible via web browser and integrated with the Solana blockchain. Key Requirements: - De...

HL-40285143

Formation Crypto Débutant Rentable

Je cherche un formateur capable de m’accompagner pas à pas dans l’univers des crypto-monnaies. Mon objectif est clair : comprendre les bases indispensables et m...

HL-40287581

Memecoin Web3 Talent Acquisition Lead Generalist Functions -- 2

URGENT: Payment will be done later with a separate contract to make the payment after the job is done due to a funding problem and will be paid through this pla...

HL-40285389

Android Blockchain Developer for NEXA BULL Wallet

Project Title Senior Android + Blockchain Developer Needed to Complete Multi-Chain Crypto Wallet (NEXA BULL) with MLM Integration Project Overview We are develo...

HL-40285102

Master Thesis Research Assistant Needed

Project Title DAO Governance Dataset Construction for Academic Research Project Description I am conducting academic research on Decentralized Autonomous Organi...

HL-40284046

Automated BEP-20 Airdrop and token sale Smart Contract with small fee going to admin

I have a bep20 token and require 2 options that both need to be included in the smart contract so users have 2 options to claim tokens: 1) Simple smart contract...

HL-40283485

Experienced Polymarket Developer Needed

I’m spinning up a new Polymarket-based project and want an engineer who already understands the platform’s contract architecture, event flow, and front-end inte...

HL-40282253

Bangladesh Trading Account Setup - Bid From Bangladesh Preferred -- 3

I want to open a new trading account and get it ready for live use, but I’d prefer someone on the ground in Bangladesh to guide me step-by-step. The immediate t...

HL-40283108

Xrealy Ledger Development

I'm building Xrealy Ledger (XRY), a decentralized settlement infrastructure for financial institutions. I need expert assistance in three key areas: WASM-Based...

HL-40282326

Trading Account Setup Assistance in Bangladesh

I want to open a new trading account and get it ready for live use, but I’d prefer someone on the ground in Bangladesh to guide me step-by-step. The immediate t...