Blockchain projects — HireLancer archive

ID / Date Listing

Fix Trading Bot and Strategy Developer / Algorithmic Trading Developers (Crypto & Multi-Asset)

My crypto / multi-asset trading bot is built entirely in Python on a custom platform. It connects to several exchange APIs, streams live order-book data, makes...

HL-39736875

Metaverse Platform Development & Web3 Integration

Brainbot is a leading Custom Development Company with highly skilled group of professionals. With a highly skilled group of professionals, we are dedicated to p...

HL-39736077

XRP Technical Analysis and Wallet Guidance

I'm seeking an expert in technical analysis to guide me specifically on Ripple (XRP). Key requirements: - In-depth technical analysis on XRP - Insights on chart...

HL-39735897

Mobile & Blockchain Full-Stack Developer

Desenvolvedor Full-Stack Mobile/Blockchain Preciso adaptar e evoluir a base existente de um App de serviços financeiros para a criação de uma Wallet, um aplicat...

HL-39735447

Lead Software Engineer Needed -- 2

I'm seeking an experienced Lead Software Engineer to oversee an Agile software development project in the tech industry. Key Responsibilities: - Experienced in...

HL-39735015

Ethereum Presale Claim Bot Development

Objectives 1. Deliver a secure Ethereum presale claim bot that continuously monitors claim status and executes the moment claim functions open 2. Prevent front...

HL-39734648

Secure Ethereum Claim Bot

Scope of Work 1. The bot will be configurable for both LilPepe and BTC Hyper 2. When both tokens are claimable it will send a single private Flashbots bundle th...

HL-39734700

Business Development Manager (KOL)｜CoinCatch

Responsibilities Identify and secure strategic partnerships with businesses, institutions, and key influencers (KOLs) in the cryptocurrency and blockchain ecosy...

HL-39734375

Secure Multi-Crypto Wallet Development

I am seeking an experienced Tech Lead to oversee the development of a secure, user-friendly crypto wallet mobile application. The project involves building a cr...

HL-39734443

TON Game & DAO Contracts- BlockChain Developer Kolkata Only

I’m building a full-featured gaming ecosystem on the TON blockchain for our “jack coin” token and need an experienced smart-contract developer to complete the c...

HL-39734253

Blockchain DApp Developer – Crowdfunding/Matrix Project (Unique Global Opportunity)

=> Project Announcement Title: Blockchain DApp Developer – Crowdfunding/Matrix Project (Unique Global Opportunity) Description: I am looking for a visionary blo...

HL-39733835

Seasoned Blockchain Expert Needed

I’m putting together a high-impact blockchain initiative and need a senior-level mind to own the technical side from architecture through launch. The work will...

HL-39733644

We are seeking a talented Female AI/ML Developer and Blockchain Developer

We’re on the lookout for a trailblazing Female AI/ML Engineer and Blockchain Engineer If you’re passionate about pushing the boundaries of Artificial Intelligen...

HL-39732704

Develop Banking Platform and New Currency

I need a developer to create a new currency primarily for storing value and a simple banking platform. The banking platform should support web, iOS, and Android...

HL-39732442

Crypto Buying & Selling Support

Daily we move funds between fiat and crypto, executing both buy-side and sell-side orders in Bitcoin, Ethereum, and a rotating selection of altcoins. All trades...

HL-39731688

Turnkey Crypto Site & Bot Integration

I need a turnkey solution that covers three things at once: a clean, responsive crypto-site, seamless linkage to my existing Telegram bot, and an automated wall...

HL-39731694

Turnkey Crypto Site & Bot Integration -- 2

I need a turnkey solution that covers three things at once: a clean, responsive crypto-site, seamless linkage to my existing Telegram bot, and an automated wall...

HL-39730106

Solidity Contract Audit

I need a blockchain contract on Ethereum reviewed. Your analysis should focus on: - Determine accuracy of functionality - Validate legitimacy of the contract Id...

HL-39728809

Bitcoin-Based Crypto Development

I'm seeking an experienced blockchain developer to create a cryptocurrency on the Bitcoin platform. The cryptocurrency should support: - Transactions and paymen...

HL-39728540

Fix BSC Token Contract Bug

I’m running a BEP-20 token on Binance Smart Chain and have hit a smart-contract level error that stops certain transfers from completing. The problem sits squar...

HL-39728585

Web3 Arbitrage Bot App

Please read the proposed declaration entirely I already have a fully-tested arbitrage flash-loan strategy, smart-contract code, and the API credentials for OKX....

HL-39728144

Crypto Grabber Development

I need a skilled developer to create a cryptocurrency grabber tool. Essential Requirements: - Must be able to specify functionality (e.g., price tracking, marke...

HL-39727951

smart contract all network

We're looking for people who know how to develop smart contracts. We don't want people who contact us outside the platform. We don't want people who ask us for...

HL-39727200

Desenvolvimento de Plataforma DeFi Essencial

Estou em busca de um desenvolvedor experiente em blockchain para criar uma plataforma DeFi básica e de baixo custo. A plataforma deve ser acessível via web e de...

HL-39726624

VOIP Billing Integration on my website

I need a skilled developer to integrate a cryptocurrency payment gateway and set up user management features on my website for MagnusBilling for VOIP service. R...

HL-39726371

Smart Contract and Full-Stack Developer -- 4

I'm seeking an experienced smart contract engineer with robust full-stack development skills. The project involves working on Binance Smart Chain and Solana. Ke...

HL-39726112

Custom Java Cryptocurrency Platform

A) Software 1. Software = JAVA, nodejs, html, javascript 2. Database software = h2 db https://www.h2database.com/html/main.html 3. Is about blockchain code I wi...

HL-39726027

Smart Contract Auditor for Defi Platform

I need an experienced blockchain auditor to conduct a full audit of a set of smart contracts that power my decentralized application. The code is already writte...

HL-39726066

Crypto Investment App Development

Design a futuristic mobile app UI for a crypto mining and investment platform using purple and pink gradients with a dark background. The design must feel moder...

HL-39725402

Minimalist BTCfi Staking MVP

I’m putting together a proof-of-concept that lets users stake one Bitcoin-aligned asset and farm its native yield—nothing more, nothing less. The goal is to dem...

HL-39722177

Smart Contract Developer Needed

I need a blockchain developer to assist with smart contract development. The project involves creating and managing tokens. While the primary platform is not sp...

HL-39724587

Resolve BSC Token Deployment Issues

I need an experienced Solidity developer to resolve deployment and verification issues with our token on Binance Smart Chain. Key requirements: - Proven experie...

HL-39722916

Solana Utility Token Smart Contract

I need a seasoned Solana developer to design and implement a token-based smart contract that will serve strictly as a utility token within my upcoming applicati...

HL-39722753

USDC CCTPv2 Java application

Project Title: Java-Based USDC Cross-Chain Transfer (Solana → EVM Chains) Description: The project aims to develop a Java application that facilitates cross-cha...

HL-39722650

Optimism.io ETH Layer-2 SDK Dev

I am building a custom Layer-2 chain on top of Ethereum using the optimism.io SDK. Deliverables • Fully configured Optimism-based Layer-2 chain (contracts, roll...

HL-39722337

Solana MEV & Yield Platform

I’m building a site like DexMEV.com, a Solana-based web app that merges automated MEV strategies with a daily-paid yield vault. Users will connect through their...

HL-39722346

Solana Blockchain Developer (Data & Analytics Focus) -- 2

We’ve built a powerful filter for Solana coins—but we’re ready to take it to the next level. ***YOU NEED TO CLEARLY DEMONSTRATE THAT YOU HAVE SOLANA BLOCKCHAIN...

HL-39722354

Build a Blockchain-Enabled E-commerce Platform with Crypto & Traditional Payments

Project Description: We are looking for an experienced Full-Stack Developer (Blockchain + MERN) to build a secure and scalable e-commerce platform. The platform...

HL-39721669

Seeking Expert Developer to Build Optimized Crypto Exchange Platform for iOS & Android with Robust Admin Control

We are looking to hire a highly skilled freelancer or development team to build a fully optimized cryptocurrency exchange platform that supports both iOS and An...

HL-39721360

Solana Game and Web3 Developer Needed

Job Description: Web3 Solana Game Developer Needed Where seeking a Web3 Solana game developer with experience in blockchain gaming to build a two-player board g...