Best Smart Contract Development freelancers for Hire

95 users found

We found 95 Smart Contract Development Freelancers for Hire. Post a job for free and hire a freelancer with the skills and reputation to get your task completed.

Work and hire for crypto

Use LaborX to extend your opportunities as a freelancer or to source talent from a global marketplace. Secured by blockchain, powered smart contracts.

Avatar

Bogdan Kolomoiets

Blockchain, Smart Contract, DeFi, DApp, React, Solidity Russian Federation, Moscow
Average review
4 reviews
Reputation 
98
4 jobs completed

Skills

About me

- Building DeFi & Dex by forking Pancakeswap, Pantherswap, Goosedefi and so on - Upgrading Pancakeswap Dex from V1 to V2 - Forking and costomizing Safemoon token - ICO preslae landing page and smart contract for selling token - Trading Bot (Frontrunning, Sniping) - Developing smart contracts using a Solidity programming language. - Developing RPC using client libraries such as Web3. - Static analysis of smart contracts for gas consumption and optimization using Remix IDE. - Securing smart contracts using libraries like OpenZeppelin. - Developing Ethereum dApps using Truffle framework. - Integration with crypto wallets such as Metamask.

Rate

100 USD/hour
Go to profile
Avatar

Petar Vasic

Full stack Web and Blockchain Developer Serbia, Belgrade
Average review
1 review
Reputation 
56
2 jobs completed

Skills

About me

Web developer focussed on Blockchain and Crypto-related projects, Crypto Gambling and Betting platforms, Trading Platforms and Exchanges, crypto lending and payment solutions. Last 5 years I have worked on several successful DeFi projects. Solutions I provide: ✔ DEX and Centralized Crypto Exchange ✔ Advanced Trading Platform (Stocks, CFD, Forex, Option, Features...) ✔ Portfolio Tracking Platform ✔ Multichain Web and Mobile Wallet ✔ Crypto Betting and Casino ✔ Yield Farming Protocols ✔ Liquidity Mining Protocols ✔ Automated Market Making (AMM) protocols ✔ NFT ✔ Impermanent loss, governance tokens ✔ P2P/Pool Lending and Borrowing ✔ Crypto Collectible Platforms and Non-Fungible Tokens ✔ Custom dApps ✔ ERC20, ERC777, ERC223, ERC721, ERC1155 Smart Contract Development ✔ DeFi development: Uniswap, Compound, Mooniswap, Sushi Swap, WBTC, Binance Launchpool, NFT, BakerySwap, Pancake Swap. Web Stack: ✔ Web3.js, Ethereum, Solidity, Truffle ✔ JavaScript/ Typescript, React.js, Node.js

Rate

50 USD/hour
Go to profile
Avatar

George Edward

Fullstack Software Developer Canada, Ontario
Average review
1 review
Reputation 
48
1 job completed

Skills

About me

I'm a Blockchain/Web/Mobile/Desktop developer and designer proficient in both development and design across multiple platforms including websites, iOS applications, Android applications, web apps, and desktop apps. My Stacks: - HTML/HTML5/CSS/CSS3/JavaScript/SASS/LESS/jQuery - PHP/Python/Ruby/Laravel/MySQL/Node.js/AngularJS/AJAX - Photoshop/Illustrator - Java/C++/C#/C/.NET/GO - Swift/Android SDK - React/Ionic Portfolio: - https://imusify.com - https://ninjapromo.io - https://www.divrsionarcade.com - https://forsage.io - https://au.mbt.com - http://npw.live - https://p2pb2b.io - https://www.cryptorocket.com - https://playnumbersgame.com - https://www.anonymixx.com - https://blender.io - https://livetrades.com -https://coinverify.com Looking forward to hearing from you. Thank you. Email: senior.coder007@gmail.com Jabber: cddev2018@jabber.calyxinstitute.org Telegram: @SeniorCoder Discord: seniorcoder#2701 Skype: live:concept_developer

Rate

70 USD/hour
Go to profile
Avatar

Alexander Doroshaev

Talented Blockchain Developer Ukraine, Krivoy Roh
Average review
1 review
Reputation 
48
1 job completed

Skills

About me

Welcome, I am Alex, a full stack dveloper well versed with Blockchain. I'm passionate about solving challenging problems that others find difficult or impossible. ✔ DeFi development: Pancake Swap V2, Uniswap V3, Sushi Swap, Yearn, Curve, Balancer, Synthetic, Compound, Aave, Mooniswap, Fulcrum, dYdX, , Zapper, Maker, insstaDApp, Bancor, Loopring, Polkadot, Substrate, WBTC, RenVM, DDorce, mStable, Alchemy, Binance Launchpool (BellaProtocol), MLM, NFT, BakerySwap, Pickle, Fortube, PerlinX, UMA Project, YFV, YFII, Synthetix, dForce, Swerve, Zoom Protocol. ✔ Blockchain stack : Web3, Solidity, Infura, Truffle, OpenZeppelin, MIST/Remix, BTC, ETH, BSC, TRON, YFI, Bel, Solana Web Stack: ✔ Web3.js, Ethereum, Solidity, Truffle ✔ JavaScript/ Typescript, Vue.js, React.js, Node.js ✔ HTML (5), CSS (3), LESS, Sass, Bootstrap (4/5) ✔ PHP / Laravel / CI ✔ Shopify / Prestashop / Wix/WordPress ✔ MySQL, MongoDB, Redis ✔ 3rd Party API Integrations ✔ TDD methodology (Unit-testing)

Rate

99 USD/hour
Go to profile
Avatar

Mrinal Sharma

Blockchain Architect India, Pune
Average review
0 reviews
Reputation 
30
0 jobs completed

Skills

About me

I am representing Blockchainerz Technologies which is a subsidiary of Cyperts Digital Solutions Pvt Ltd, we are one of the premium blockchain consulting firms with experience of 7+ years in blockchain-related services and successfully completed over 50 + blockchain applications. We also have extensive experience in website and mobile application development. Blockchain Related Development - Custom Private Cryptocurrency Development - ICO launching (ERC20 / BEP20) - Custom Smart Contract & PoC - Cryptocurrency Exchangers (Centralised & Decentralised) - Cryptocurrency Single & Multi Wallets - Peer to Peer Marketplace - Peer to Peer Insurance - Peer to Peer Realstate - NFT - DApps - UniSwap & PancakeSwap projects Technologies that we work on:- - Ethereum - Solidity - Web3js - Smart Contract - Viper - GoLang - C++ - Rust - NodeJS - ReactJs - MEAN Stack - Python - PHP

Rate

40 USD/hour
Go to profile
Avatar

Marinko Rokvic

Freelancer Serbia, Belgrade
Average review
0 reviews
Reputation 
26
0 jobs completed

Skills

About me

As an experienced AI engineer, I have been working in BlockChain field for over 6 years. I have already completed so many blockchain relevant projects such as Forking swap, NFT marketing, token Dashboard, Creation token etc. Suggest the best solution, deliver the perfect results, long-term support. Please ping me if you're interested and we can discuss more details. Best Regard.

Rate

30 USD/hour
Go to profile
Avatar

Hahz Terry

NFT Consultant United States, Atlanta
Average review
0 reviews
Reputation 
20
0 jobs completed

Skills

About me

I am the leading NFT consultant in the blockchain community. I've advised NFT projects for celebrities, athletes, and famous musicians. I built an NFT marketplace on Polkadot/Kusuma, Whitelabel marketplaces and I've created the first decentralized Airbnb-like platform that allows you to book rentals with NFTs.

Rate

99 USD/hour
Go to profile
Avatar

Milos Cojcic

Serbia, Belgrade
Average review
0 reviews
Reputation 
19
0 jobs completed

Skills

About me

Hello, my name is Milos. As a Senior Developer, with outstanding experience in various fields, such as web and mobile, cryptocurrency. - Cryptocurrency tech: * Crypto Coins Exchange Development * Custom Blockchain Development * ICO Development with Created Token ( Coin ) * Smart-Contracts (Solidity, Truffle framework) * Token development (ERC20, ERC223, ERC721, ERC 1155) * Cryptocurrency Wallet and Exchange Applications * Private Blockchain Development - Web tech: * Node/Express, React, Vue, Web3js * Laravel, CodeIgniter, Yii * React, Vue, Angular, Node/Express * WordPress, Shopify, Wix, Joomla * Chrome extension, Automation script * Python, Flask, Django, Webscraper * MongoDB, PostgreSQL, SQLServer, MySQL

Rate

85 USD/hour
Go to profile
Avatar

Sukhvinder Singh

Blockchain Developer India, Ludhiana
Average review
0 reviews
Reputation 
18
0 jobs completed

Skills

About me

Web and mobile developer focussed on blockchain and crypto-related projects, building custom Apps, crypto gambling and betting platforms, trading platforms and exchanges, crypto lending and payment solutions. Last 3 years I have worked on several successful DeFi and FinTech startups (drop me a line to see my full portfolio as a blockchain developer). Solutions I provide: ✔ DEX and Centralized Crypto Exchange ✔ Advanced Trading Platform (Stocks, CFD, Forex, Option, Features...) ✔ Portfolio Tracking Platform ✔ Web/Mobile Wallet ✔ Crypto Betting and Casino ✔ Yield Farming Protocols ✔ Liquidity Mining Protocols ✔ P2P/Pool Lending and Borrowing ✔ Crypto Collectible Platforms and Non-Fungible Tokens ✔ Custom dApps ✔ ERC20, ERC777, ERC223, ERC721, ERC1155 Smart Contract Development ✔ Forsage, Linos Share, BestMining like MLM Crowdfunding HYIP Platforms ✔ ICO, STO, Blockchain Copyrighting and Whitepapers ✔ API Development and Integration: blockchain.info, inrura.io, poloniex.com, bitfinex.com, hitbtc.com, coinbase.com, kraken.com, cex.io, coinmarketcap.com, cryptokitties.co, uniswap.org, aave.com, yearn.finance, sushiswap.org ✔ DeFi development: Yearn, Uniswap, Curve, Balancer, Synthetic, Compound, Aave, Mooniswap, Fulcrum, dYdX, Sushi Swap, Zapper, Maker, insstaDApp, Bancor, Loopring, Polkadot, Substrate, WBTC, RenVM, DDorce, mStable, Alchemy, Binance Launchpool (BellaProtocol), MLM, NFT, BakerySwap, Pickle, Fortube, PerlinX, UMA Project, YFV, YFII, Synthetix, dForce, Swerve, Zoom Protocol ✔ Blockchain stack : Web3, Solidity, Infura, Truffle, MIST/Remix, BTC, ETH, TRON, USDT, YFI, Bel ✔ Wallets and Clients: MEW, Geth, Parity, Gemini Mist, Metamask, Ganache Web Stack: ✔ Web3.js, Ethereum, Solidity, Truffle ✔ PHP / Laravel / Yii (2) ✔ HTML (5), CSS (3), LESS, Sass, Bootstrap (3/4) ✔ JavaScript/ Typescript, Vue.js, React.js, Node.js ✔ MySQL, MongoDB, Redis ✔ 3rd Party API Integrations ✔ TDD methodology (Unit-testing) Excited to join any interesting projects alone or together with my team. Just drop me a line!

Rate

60 USD/hour
Go to profile
Avatar

Aleksandar Popovic

Blockchain Engineer Serbia, Belgrade
Average review
0 reviews
Reputation 
18
0 jobs completed

Skills

About me

Solutions I provide: ✔ DEX and Centralized Crypto Exchange ✔ Advanced Trading Platform (Stocks, CFD, Forex, Option, Features...) ✔ Portfolio Tracking Platform ✔ Multichain Web and Mobile Wallet ✔ Crypto Betting and Casino ✔ Yield Farming Protocols ✔ Liquidity Mining Protocols ✔ Automated Market Making (AMM) protocols ✔ Flash Loans ✔ Impermanent loss, governance tokens ✔ P2P/Pool Lending and Borrowing ✔ Crypto Collectible Platforms and Non-Fungible Tokens ✔ Custom dApps ✔ ERC20, ERC777, ERC223, ERC721, ERC1155 Smart Contract Development ✔ Forsage, Linos Share, BestMining like MLM Crowdfunding HYIP Platforms ✔ ICO, STO, Blockchain Copyrighting and Whitepapers ✔ Token Design - Stabilcoins, Utility, Security, Investment, Dividend coins ✔ DeFi development ✔ Fast DeFi Clone: ✔ Blockchain stack : ✔ Wallets and Clients:

Rate

300 USD/hour
Go to profile
Avatar

Vasa Kostic

blockchain and reactjs Serbia, Beograd
Average review
0 reviews
Reputation 
18
0 jobs completed

Skills

About me

Hi, I'm Vasa Kostic from Serbia. I am an expert full-stack blockchain developer with over 5 years of working experience in this field. my aim and objective of coming in this platform is to offer you quality and outstanding work done that you may Service I provide: Smart contract development on any of your desire blockchain network yield farming, staking, pool Your own crypto coin and token DAPP, DEX and DEFI platform Pancakeswap or uniswap fork or clone Web-based system development ( PHP, Django, Laravel, CodeIgniter, NodeJS, Magento) front end development ( React, Vue, Angular) Database development ( MySQL, MongoDB) etc. WHY YOU SHOULD CHOOSE ME: Outstanding work done On-time delivery Full Future support etc. I would like you to contact me to discuss your project requirements and to finalize your budget and timeframe. best regards.

Rate

90 USD/hour
Go to profile
Avatar

Nemanja Dordevic

Full-stack Blockchain Developer Serbia, Belgrade
Average review
0 reviews
Reputation 
18
0 jobs completed

Skills

About me

✅Full-stack Blockchain Developer ⭐⭐⭐ [ About me ] ⭐⭐⭐ I am a senior blockchain developer who has rich experience for a long time. ⭐⭐⭐ [ My Skills ] ⭐⭐⭐ Being a full-stack blockchain developer, I have decent expertise in Blockchain development and custom smart contract application development technologies: ✔️ Forking Pancakeswap, uniswap, sushiswap on BSC, Ethereum, Polygon network (with all functions such as Farms, Pools, Referral, Info & Analytics) ✔️ Creation token & Smart contract such as BEP20, ERC20, ERC21, TRC20 ✔️ Solidity programming language ✔️ Development NFT marketplace with full functions. ✔️ Creation Trading chart like poocoin

Rate

50 USD/hour
Go to profile
Avatar

Milos Bogdanov

Fullstack & Blockchain Expert Serbia, Novi sad
Average review
0 reviews
Reputation 
18
0 jobs completed

Skills

About me

Hello, Nice to meet you. I have rich experience with Blockchain for 5+ years. Meantime, I was completed so many blockchain relevant projects such as DEFI & DAPP development, Token & Smart contract Creation, Pancakeswap & Uniswap forking, Creation NFT marketplace. If you want I can show my previous work results to you. You will be satisfy to check it. Of course, I will start work right now and will finish it shortly. Please contact me so we could discuss it further. Thank you in advance

Rate

50 USD/hour
Go to profile
Avatar

Ararat Tonoyan

Blockchain and Web develope Russian Federation, Kursk
Average review
0 reviews
Reputation 
15
0 jobs completed

Skills

About me

✅ Lead Developer With 5+ Years Of Experience | Top Rated Freelancer. Hi, I am a professional web and blockchain developer with a huge practice in this field. I like to build interesting applications that matter. The shortlist of my professional skills: ✅ - Decentralized applications (DApps) ✅ - Difficult and scalable smart contracts ✅ - Websites (frontend/backend) ✅ - API & Microservices ✅ - Architecture and tech stack consulting Expanded list: 🔗 Blockchain Development Stack ✅ - Decentralized application development (DApps) ✅ - Smart contracts development ✅ - Architecture and technological stack planning ✅ - Solidity programming ✅ - UNIT tests ✅ - Protocols, state channels and sidechains development ✅ - Assembly code blocks integration ✅ - Chainlink integration ✅ - Any type of digital assets development 🌐 Web Development Stack ✅ - HTML, CSS ( html5, css3, sass, bootstrap ) ✅ - JavaScript ( es 6-10 ) ✅ - Web3 Js ✅ - React Js ( redux ) ✅ - React Native ✅ - Angular Js ( 1.x ) ✅ - Vue Js (vuex) ✅ - jQuery ✅ - Node Js / Express ✅ - Databases ( firebase firestore, mySQL, postgreSQL ) ✅ - Docker ✅ - Wordpress website creation from scratch ✅ - Deployment on shared/VPS hostings I do believe I can bring my fresh set of ideas to your projects. I'm sure we will enjoy working together. I always open to consulting, so feel free to contact me. Looking forward to talking to you soon.

Rate

135 USD/hour
Go to profile
Avatar

Faizan Adil

United States, Clermont
Average review
0 reviews
Reputation 
15
0 jobs completed

Skills

About me

+ 5 years of developing experience. Great command on Wordpress, Magento, Html CSS BootStrap Php. Great communication skills with and urge to satisfy rather then making money. Certification from Australia in design and printing arts Intermediate command on Web Development 100+ projects. I can Design and Develop Responsive Websites (Personal, Blog, business website, etc.),

Go to profile
Avatar

Hassan Abbas

Chief Technology Office Pakistan, Islamabad
Average review
0 reviews
Reputation 
14
0 jobs completed

Skills

About me

My strength lies in focusing on your problems & solutions rather than selling myself. I'm a Professional blockchain developer with over 5+ years of experience in managing and assisting the development, planning and production of indigenous blockchain applications and technologies. I've evolved with technologies and have been through FullStack|MEAN|MERN development prior to Blockchain. Expertise in the following Skills & Services : -Crypto Exchange Development -Enterprise Blockchain Development -Ethereum Smart Contract Development -Distributed ledger technology(DLT) Development -Social Media Marketing -Project Management -Software Development using .Net Technologies -Problem Solving

Rate

20 USD/hour
Go to profile
Avatar

Emanuele Civini

Blockchain Developer Italy, Brescia
Average review
0 reviews
Reputation 
14
0 jobs completed

Skills

About me

Hi! I'm a Solidity developer with expertise on different blockchains such as Ethereum and Binance Smart Chain. I've built different ERC20 tokens and NFTs (ERC721) with different peculiarities. I've also written contracts that interact with multiple DEXs such as Uniswap, PancakeSwap and Sushiswap.

Rate

40 USD/hour
Go to profile
  1. 1
  2. 2
  3. ...
  4. 5
  5. Next