Best Smart Contract Development freelancers for Hire

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We found 208 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.

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George Edward

Fullstack Software Developer Canada, Ontario
Average review
13 reviews
Reputation 
263
13 jobs 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
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Arseniy Fokin

Blockchain - Solidity Smart Contract, DeFi, DApp, BSC, Polygon Ukraine, Kyiv
Average review
8 reviews
Reputation 
172
8 jobs completed

Skills

About me

Solutions we 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 Excited to join any interesting projects alone or together with my team. Just drop me a line!

Rate

100 USD/hour
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Alexander Doroshaev

Blockchian Developer Ukraine, kijev
Average review
6 reviews
Reputation 
146
6 jobs completed

Skills

About me

Welcome, I am Alex, a blockchain developer specialized in defi project like pancakeswap or uniswap. 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

Rate

100 USD/hour
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Marinko Rokvic

Freelancer Serbia, Belgrade
Average review
7 reviews
Reputation 
146
7 jobs completed

Skills

About me

As an experienced BlockChain 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

50 USD/hour
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Nemanja Dordevic

Full-stack Blockchain Developer Serbia
Average review
6 reviews
Reputation 
138
6 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
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Bogdan Kolomoiets

Blockchain, Smart Contract, DeFi, DApp, React, Solidity Ukraine, Kyiv
Average review
7 reviews
Reputation 
134
8 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
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Crypto Developer

Blockchain Developer United States, Atlanta
Average review
3 reviews
Reputation 
75
4 jobs completed

Skills

About me

I am a full stack developer. Working in different types of platforms. {MERNSTACK} {ANGULAR JS} {PYTHON} {PHP COMPLETE STAKES} {SOLIDITY} {WORDPRESS} {REACT.JS} {EXPRESS.JS} {HYPERLEDGER} {DJANGO} etc. I am professional Developer at => Public Sector Blockchain => Crypto Blockchain => Normal Public Projects => GAMING APPLICATIONS => IOS =>ANDROID. Developed Several Crypto Projects Developed Several Coins(ALL ARE ON coinmarketcap). Created multiple DEFI (Which is under NDA) Created multiple smartcontracts on TRON, ETHEREUM and BNB (Which is under NDA) Professional at SCRYPT, QUARK, X11, X15 coin, FORKED LATEST VERSION OF PIVX, ETHEREUM and TRON. -DEVELOPED SEVERAL CRYPTOCURRENCY EXCHANGES (Which is Under NDA) If you are looking for the the blockchain developer i am the best candidate. I will not waste your time. Straight forward work on your work. I Develop Mobile Apps And Websites Too Contact me on Telegram @cryptocurrencydev Looking forward to working with you🤝 Thanks.

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Mathew Wilson

Senior Full Stack Blockchain DEV Bulgaria, Beloslav
Average review
2 reviews
Reputation 
58
2 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

73 USD/hour
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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
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Milos Bogdanov

Fullstack & Blockchain Expert Serbia, Novi sad
Average review
2 reviews
Reputation 
48
2 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
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Aleksandar Popovic

Blockchain Engineer Serbia, Belgrade
Average review
1 review
Reputation 
46
1 job 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

80 USD/hour
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Bojan Terzic

Blockchain Expert Serbia, Beograd
Average review
1 review
Reputation 
42
1 job completed

Skills

About me

I am a blockchain expert. I am working on woonkly in Spain as blockchain developer. You can see about me on https://whitepaper.woonkly.com/livepaper-ing/frequently-asked-questions-1#who-works-at-woonkly. I am managing https://defi.finance now. I will deliver perfect result

Rate

49 USD/hour
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Nikola Bukovcic

Freelancer Serbia, Belgrade
Average review
1 review
Reputation 
40
1 job completed

Skills

About me

I will provide you services: - Creating new token with reflection by other tokens, anti-whale, liquidity fee, auto and manual buyback, additional sell fee, etc... - Building DEFI site with IFO, Lottery, Jungle, Jackpot, ICO, etc... - Making smart contract with required functions. - Minting NFT on BSC, ETH, SOLANA. Best regards.

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David Jin

Blockchain and Full stack developer China, Shenyang
Average review
0 reviews
Reputation 
37
0 jobs completed

Skills

About me

I am a senior blockchain and full stack developer. I have 7+ years experience in development mobile apps and websites and 2 years experience in blockchain part. My development goal is 100% satisfaction of clients. Promise, I will deliver you my best result and make you happy. These are my major fields. Enjoy watching. :) -MERN, MEAN, MEVN, AWS, Azure, GIT, Bitbucket -Laravel, Codeigniter -Django, Python, GraphQL, REST api - Mongo, Mysql, Firebase - React Native, Flutter, Swift, .NET, ASP.NET, Xamarin. - Joomla, Wordpress, Drupal, Shopify, Magento - Blockchain, Bitcoin, solidity, Ethereum, NFT, Defi, Wallet. - Data Scraping, Data Processing, AI. - Trading, Marketing, Ecommerce, Affilate - nSEO stuffs, Optimize Site Also, I have services for you. 1.10 hrs / 7 days working 2.Communicate Everyday 3.Time set to your local 4.1 month tech support after complete 5.On time delivery I really hope to see you. Sincerely, David.

Rate

40 USD/hour
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Lee Min

Blockchain | Web(三).js | React.js | React-Native Developer China, Shenyang
Average review
0 reviews
Reputation 
35
0 jobs completed

Skills

About me

I am a senior full-stack developer with 6 years of experience in PHP(Laravel), JavaScript(React, Vue, Angular, Next, Nuxt, Node, Express), TypeScript, Python(Django, Flask) for web development and React-Native for mobile app(Android/iOS) development. Also I have deep experience in web3.js, connecting wallets on website. I have and integrated with tons of React Frontend website with Smart Contract. Please feel free to contact me if you want to get perfect result in deadline. I am here for your business ! ! !

Rate

25 USD/hour
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Alex Rodrigu

Blockchain Russian Federation, Moscow
Average review
1 review
Reputation 
30
1 job completed

Skills

About me

I am Blockchain expert. I have rich experience in blockchain for 5+ years. I have already completed many Defi/Dex sites and smart contract. I can assure that my skills will not let you down. I look forward to work with you. Thanks for your watching my profile.

Rate

30 USD/hour
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Danijel Blagojevic

I am a Blockchain Developer Serbia, Cacak
Average review
1 review
Reputation 
30
1 job completed

Skills

About me

I am a passionate and creative developer. (https://www.freelancer.com/u/danijelb2005) I have been developed many websites by using React, Laravel and Blockchain. I can build or customize any themes and plugins required, fix any critical problems immediately. As a full-time freelancer, I can meet deadlines, maintain quality, and work on your time zone. ***My Skills and Experiences:*** -- Blockchain: For at least 3+ years including Bitcoin and Ethereum(Javascript, TypeScript) -- POS System that contains website, mobile app, and cryptocurrency. -- Blockchain protocol update BIP47 -- Smart contract development using solidity --Development Defi Dapp including yield farming --Fork Project Pancakeswap and sushiswap on Ethereum and Binance Smart Chain --Build NFT token and make website like opensea --Upgrade from V1 to V2 on pancakeswap --Build Snipper Bot, Arbitrage Bot on Binance Smart Chain Those are my contact info. @sblockchaind, live:.cid.6f4ac54533c89f00

Rate

100 USD/hour
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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
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