Hire the best Ethereum Developers in England
Check out Ethereum Developers in England with the skills you need for your next job.
- $20 hourly
- 4.9/5
- (25 jobs)
If you need a skilled content writer with extensive experience within the crypto and NFT industry, then look no further... 𝗪𝗵𝗮𝘁 𝗜 𝗯𝗿𝗶𝗻𝗴 𝘁𝗼 𝘁𝗵𝗲 𝘁𝗮𝗯𝗹𝗲 : - a wealth of experience working in the crypto space & a deep understanding of blockchain technology that allows me to deliver comprehensive articles that can be tailored to both beginner and experienced readers. - experience working for some of the biggest crypto publications, reviewing crypto exchanges, writing how-to guides and editing existing content to ensure information is up to date. - experience working with crypto startups within the web3/DeFi space, delivering technical writing for whitepapers, pitch decks & press releases. - experience working with content creators as a scriptwriter, writing scripts that have reached millions of views on both YouTube & TikTok. - work written with perfect grammar, by a native English speaker without the need for AI writing tools. - SEO optimised articles integrating keywords of your choice that will boost search engine rankings and funnel traffic to your website. 𝗜 𝗹𝗼𝗼𝗸 𝗳𝗼𝗿𝘄𝗮𝗿𝗱 𝘁𝗼 𝗵𝗲𝗹𝗽𝗶𝗻𝗴 𝘆𝗼𝘂 𝗰𝗿𝗲𝗮𝘁𝗲 𝗲𝗻𝗴𝗮𝗴𝗶𝗻𝗴 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 𝘁𝗼 𝗯𝗼𝗼𝘀𝘁 𝘆𝗼𝘂𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗮𝗻𝗱 𝗽𝘂𝘀𝗵 𝘃𝗮𝗹𝘂𝗮𝗯𝗹𝗲 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 𝘁𝗼 𝘆𝗼𝘂𝗿 𝗿𝗲𝗮𝗱𝗲𝗿𝘀 !EthereumWritingCopywritingData EntryWebsite ContentArticle WritingBlockchainContent WritingBlog WritingCryptocurrencyBitcoinSEO Writing - $50 hourly
- 4.9/5
- (32 jobs)
Hamza is a passionate software engineer with a track record of taking large-scale web applications from the drawing board to production. He developed the world's first web-based multi-threaded setup ceremony that leverages Rust and WASM to run cryptographic functions. He has extensive front-end knowledge using JavaScript, browser APIs, React, WASM, TypeScript, and Rust. In the back end, he excels with Node.js, Solidity (Ethereum), and web3 development. He is also an avid blockchain developer and has worked on multiple leading edge web3/Ethereum projects such as Aleo, radixdlt and NFT projects (kgpnft, skulz). Ethereum tools that he is familiar with are: Solidity, Hardhat, chainlink, polygon and aave He quickly realised after a few years that the companies he worked with were looking for much more than just an engineer. He figured out that most of his client's wanted someone who they could trust as a technical partner for their products. Someone, who can give suggestions right from what tech should be picked up, how to get the roadmap right, how should we plan the product launch, and a lot more. He loves to speak with people, help them find the perfect solutions for their problems, and help bring their ideas to life. As of today, He always strives to keep the quality high and every request is considered with extraordinary care.EthereumSmart Contractweb3.jsWebflowSolidityNFTAWS LambdaNode.jsReactGraphQLWeb DevelopmentTypeScriptRustJavaScriptResponsive Design - $90 hourly
- 5.0/5
- (26 jobs)
Hey! I'm Vlad, a technologist, tech architect and founder of the London-based TGR tech Agency. What started as an enthusiasm for Web3, quickly expanded into an all-encompassing emerging tech agency. Now, TGR touches every corner of emerging tech, from AI and Web3 to AR and biometrics. With 60+ projects under our belt across 15 countries, we're not just about numbers; we're genuinely passionate about assisting businesses to understand, build, and integrate these groundbreaking technologies. Our tech stack includes industry-leading tools like OpenAI, GPT-3, ChatGPT, TensorFlow, Dialogflow, Pinecone, Vector, Python, React, Vercel, Javascript, MySQL, RASA, Restful API, MongoDB, Solidity, Rust and so much more. Avatar/3D/AR design/tech stack is mainly: Blender, Maya, Babylon JS, Three JS, Unity, Unreal, and Elevenlabs. Got tons of experience building complex tech products: ― Slam Girl AI chatbot, a superhero character created by Stan Lee. She was fine-tuned on a version of ChatGPT and is capable of answering a vast array of questions about superheroes. ― Built MassageBook AI Bot, which is connected to 40K+ vendors in the US. Helped the business reduce customer support costs by 30%. Helps users choose the service they need in under 1 minute. ― One of our recent successes was launching Pangeapass, a smart identity verification app that uses AI to scan e-documents through NFC technology and identify e-chip locations. ― Developed a Web3 marketplace (Stadio Labs) with $1m VC-backed funding and integrated physical utility features for the NFTs Would love to help you with your next project! If there is anything you would like to discuss, feel free to DM me here to get started. Happy to meet for coffee in London, in case you are based somewhere close by! 🙌EthereumSmart ContractBlockchain ArchitectureBlockchain DevelopmentNFTSolidityMarketing AnalyticsMusic NFTNFT MarketplaceEcommerce WebsiteBlockchain, NFT & CryptocurrencyConversion Rate Optimization - $80 hourly
- 5.0/5
- (3 jobs)
10+ years experienced Windows / Linux Support & Site Engineer with a demonstrated history of working in the information technology and services industry. With a range of qualifications including a Level 3 extended Diploma focused in Information Technology I have development experience using JS and Python focusing mainly on financial and crypto currency services. I am available for any work that may be required from creating APIs to finding a bug in your code! I am new to Upwork but have worked freelance for multiple clients in the pastEthereumLinuxCryptocurrencyInformation TechnologyBash3CXEthical HackingVirtual Private ServerFreePBXMicrosoft WindowsPythonNode.jsJavaScript - $45 hourly
- 5.0/5
- (1 job)
Hello, I am a blockchain and metaverse developer with years of rich experience. Well-versed in smart contract dev and web3 technology on EVM and Solana. These are my services: 1. NFT crypto website, NFT mint, staking, reward, NFT game, NFT marketplace, etc 2. ERC20/Bep20/TRC20 token, web3 & smart contract 3. ICO, IDO, IFO 4. Cryptocurrency trading and arbitrage bot 5. Customized DEX and Defi 6. DApps and smart contract on Ethereum, Solana, Cardano, Near, Algorand, etc 7. Betting, Play to Earn 2D/3D Game 8. Web and mobile app development(Frontend and backend) I am ready to go and will start working right away for your business success. Please feel free to reach out to me if you have any projects or new job opportunities. Best RegardsEthereumCrypto Exchange PlatformCryptocurrencyDApp DevelopmentBlockchainGameRustSoliditySmart ContractWeb3MetaverseNFTSolanaDeFiJavaScript - $35 hourly
- 5.0/5
- (1 job)
👋 Greetings! 😊 I'm Faheem, an experienced 𝗪𝗲𝗯 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 and 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 𝗘𝗻𝘁𝗵𝘂𝘀𝗶𝗮𝘀𝘁 with over 𝟴+ 𝘆𝗲𝗮𝗿𝘀 of specialized expertise in 𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 (𝗥𝗲𝗮𝗰𝘁𝗝𝗦, 𝗡𝗼𝗱𝗲𝗝𝗦, 𝗘𝗖𝗠𝗔𝗦𝗰𝗿𝗶𝗽𝘁), 𝗪𝗲𝗯𝗔𝘀𝘀𝗲𝗺𝗯𝗹𝘆, 𝗥𝘂𝘀𝘁, 𝗦𝗼𝗹𝗶𝗱𝗶𝘁𝘆, 𝗚𝗼𝗹𝗮𝗻𝗴, 𝗚𝗿𝗮𝗽𝗵𝗤𝗟, and much more. When it comes to web development, I have a remarkable ability to create stunning websites and deliver top-notch services. From crafting custom themes that perfectly suit your vision 🎨💪 to effortlessly tackling complex projects, my diverse portfolio spans various business types: 🛍️ E-commerce shops 📝 Review-based systems 📂 Custom directories 📅 Events planners 🎮 Game scoring systems 🏢 Real estate 👥 Personal portfolios ...and many more! But that's not all! My true passion lies in the blockchain world, where I excel as a 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 with over 𝟱+ 𝘆𝗲𝗮𝗿𝘀 of experience! 🚀 Specializing in Bold (sans): 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁, 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 𝗼𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻, 𝗦𝗲𝗿𝘃𝗲𝗿 𝘀𝗲𝘁𝘂𝗽, 𝗪𝗲𝗯 𝟯.𝟬, 𝗗𝗲𝘃𝗢𝗽𝘀, 𝗰𝘂𝘀𝘁𝗼𝗺 𝗯𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁, 𝗮𝗻𝗱 𝗔𝗣𝗜 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 with other services. My expertise covers a wide array of technologies: 🔨 JavaScript (ReactJS, NodeJS, ECMAScript) 🌟 WebAssembly 🌟 Rust 🌟 Solidity 🌟 Golang 🌟 GraphQL 🌟 PostgreSQL 🌟 LevelDB, RocksDB 🌟 PlayCanvas, WebXR 🌟 Blockchain Protocols 🌟 Copy trading protocols and architecture 🌟 Smart Contract Audit 🌟 Exchange development (CEX) 🌟 Decentralized exchange development (DEX) 🌟 Arbitrage and Trading bots development 🌟 ICO/IDO/IBCO/LBP/IFO 🌟 Flash loans bots 🌟 Front-running, snipe, and sandwich bots 🌟 TradingView configuration 🌟 Meta, Metaverse, DeFi, NFT, GameFi I've contributed to notable projects like 𝗘𝗹𝗿𝗼𝗻𝗱 (𝗘𝗚𝗟𝗗), where I successfully launched an 𝗜𝗘𝗢 and developed a cutting-edge sharding system. 🌐 Additionally, I've been involved in building and auditing secure payment gateways for projects like 𝗖𝗿𝘆𝗽𝘁𝗼 𝗪𝗮𝗹𝗹𝗲𝘁 𝗕𝗿𝗲𝗮𝗱 (𝗕𝗥𝗗) and 𝗖𝗼𝗶𝗻𝗣𝗮𝘆𝗺𝗲𝗻𝘁𝘀, ensuring the safe storage of cryptocurrency funds. With hands-on experience in various services and technologies like 𝗔𝗪𝗦, 𝗟𝗶𝗻𝘂𝘅, 𝗗𝗼𝗰𝗸𝗲𝗿, 𝗝𝗲𝗻𝗸𝗶𝗻𝘀, 𝗚𝗶𝘁, and more, I guarantee the stability and security of your blockchain applications. 🛡️ So, whether you're looking for a top-notch Full Stack Developer to create visually appealing and responsive websites, or a Blockchain Expert to revolutionize your decentralized projects, I'm your go-to professional! 🌟 Let's connect over Zoom and discuss your project further. 📞👀EthereumMongoDBAmazon Web ServicesWeb3SolidifyDeFiBack-End DevelopmentBlockchainReactDockerNFTBlockchain ArchitectureSmart ContractNode.jsJavaScript - $75 hourly
- 5.0/5
- (9 jobs)
Dynamic Software Engineer with over 20 years of experience: - Solidity, Smart contract Audit, Web3, Foundry, Hardhat - Solana, Rust, Anchor, Token 2022 - HFT, Trading, Forex, MT4, C#, C++, Python - Rust, Go, Cosmos, Blockchain architecture - React, Express, MongoDB, Node.js - AI, Tensorflow, ChatGPT, Python Dynamic Software Engineer with over 20 years of experience, specializing in smart contract development, trading strategies, and AI technologies. Skilled in Solidity for blockchain applications, Python, C++, and JavaScript for trading algorithms, and Rust for blockchain development. Proficient in high-frequency trading (HFT) strategies and AI models for sophisticated solutions. Experienced in designing and implementing secure and efficient software solutions across diverse industries. Motivated by new challenges and dedicated to driving innovation through problem-solving and continuous learning.EthereumAI DevelopmentTrading StrategyPythonC#C++ChatGPTTensorFlowGolangweb3.jsDerivatives TradingSolanaJavaScriptRustSolidity - $40 hourly
- 5.0/5
- (9 jobs)
As a full-stack and blockchain developer on Upwork, I possess extensive experience delivering high-quality, innovative solutions. With over a decade in the field, I specialize in both frontend and backend development, utilizing a wide range of cutting-edge technologies. I've worked for five years at startups focused on the Ethereum blockchain. I made smart contracts using Solidity that handled over $100 million safely. They were well-tested, almost 99% covered, using JavaScript and Node.js. I've also worked with Ethereum, Polygon, and Solana blockchains and made a Telegram Bot. Key Skills & Technologies: - Solidity, Smart contract Audit, Web3, Foundry, Hardhat - Solana, Rust, Anchor, Token 2022 - HFT, Trading, Forex, MT4, C#, C++, Python - Rust, Go, Cosmos, Blockchain architecture - React, Express, MongoDB, Node.js - GCP, Microsoft Azure, AWS - Jenkins, GitHub Actions, Docker, Kubernetes, Ansible, Terraform, Prometheus, AWS CloudFormation, Puppet What I Offer: Full-Stack Development: End-to-end web and app development, from concept to deployment. Blockchain Solutions: Secure, transparent DApps, smart contracts, and tokenization strategies. AI/ML Integration: Intelligent automation, data analysis, and personalized experiences. Technical Leadership: Experience guiding teams, ensuring code quality, and meeting deadlines. Adaptability: Quick learner, always eager to explore new technologies and tools. Let's Collaborate! I'm excited to discuss your project and how my diverse skill set can help you achieve your goals. Feel free to reach out – I'm always open to hearing about new challenges and opportunitiesEthereumSmart Contract DevelopmentDAppsDApp DevelopmentHardhatTruffleConsensus ProtocolTelegram APITelegramBlockchain TokenizationBlockchain SecurityBlockchain DevelopmentSoliditySolana - $80 hourly
- 5.0/5
- (4 jobs)
I have been working as a technology architect and lead engineer for more than 10 years. I have developed highly complex engineering apps architecture on different blockchains. I am an expert in Finance/Banking platforms, Defi, Smart contracts, Cross-blockchain protocols, Yielding/Farming, Staking protocols, and end-to-end frontend/backend integration. Why Me? ● Passionate meeting aggressive deadline with highest code quality ● Expert in end-to-end Software Development Life Cycle using Agile Development Methodologies ● Free Technical support of 4-6 weeks after releasing the product to the Production ● Available 40+ hrs/week ● Full satisfaction guaranteed I can demo some of the projects I developed from requirements specification to deploying in production including setting up AWS/GCP infrastructure. Expertise: ● Ethereum & Bitcoin blockchains expert ● Cross-blockchains like Polkadot ● Multi-layer blockchains like Matic ● End-to-end Defi protocol development experts including yielding/farming, staking, AMM, liquidity mining ● Experts working with Uniswap, 1inch, and other DEX aggregator protocols ● Cryptocurrency API Integration handling millions of data points from data providers like CoinMarketCap, CoinGeko, and On-chain data ● Decentralised Applications (DAPPs) ● JavaScript/ Typescript Experts - Vue.js, React.js, Node.js, Eather.js, Web3.jsEthereumAPICryptocurrencyResearch & DevelopmentBlockchainSoliditySmart ContractReactAngularMongoDBRustNode.jsPython - $45 hourly
- 4.8/5
- (20 jobs)
Hi! If you need help with anything blockchain-related, then shoot me a message. With over 7 years of experience working in the blockchain industry, I can help with multiple aspects: - Writing and editing White Papers - Writing and editing Articles - Press Releases and Associated Marketing - Business Development & Connections - General Advisory - Smart Contract Writing and Auditing - Potential partnerships and exchange listings - Community Building - Growth Hacking There is a lot more I can help with, so if you have a question or a problem then send me a message. Let's bring blockchain and web3 adoption to the masses, together! (You can check me on LinkedIn: Conor Thacker)EthereumBlog WritingSEO WritingICO MarketingArticle WritingBitcoinCryptocurrencyBlockchainCryptographyWhite Paper WritingTechnical WritingWebsite Content - $30 hourly
- 5.0/5
- (11 jobs)
First-class honors degree in computer games programming, awarded by Kingston University London Over five years freelance experience working with a range of clients. Constructed backend services that utilise the newest OpenAi tooling(gpt, dall-e, instruct) to automate and provide SAAS. Unity and Unreal game development, single player multiplayer, web, mobile, desktop. Experience publishing apps to iOS/android App Store, with in app purchases and ads. Backend containerised server/API development from scratch using NodeJS over http/s and websockets. Interacting with third party services(MongoDb, AWS s3 bucket, PlayFab) IPFS and IPNS experience using piñata and other nodes, with interaction over web3. Infura node connection to allow interaction with blockchains. Extensive experience building multiplayer games for the crypto market, integrating browser wallets(Metamask) within unity. Specifically on the ethereum blockchain and Binance smart chain. Backend server development using NodeJs and WebSockets. Minting and reading from smart contracts and mobile game integration. WebGL development within unity, specifically within the crypto market. External JavaScript development for integration directly within a Unity project Developing and distributing dedicated servers all around the world with AWS and Azure Playfab backends. Working closely with blockchain engineers to implement in-game nft stores within unity. Cross-platform Game engine development with c++ and OpenGL, with networking capabilities. Utilizing the CMake build system, comparability across a macOS and Windows. Developed and published a base building asset onto the Unity asset store. Allows for easy installation and customisation for any project.EthereumMultiplayerMicrosoft Visual StudioC++C#Amazon Web ServicesDatabase DesignNode.jsMicrosoft AzureOpenGL Shading LanguageUnreal EngineBlockchainGame DevelopmentUnityMobile Game - $30 hourly
- 4.8/5
- (22 jobs)
Oluwapelumi delivered excellent work ahead of schedule. We had a good chat to discuss the project, and communication was great throughout. Will happily use again. Highly recommended!" Hi. Imagine for a second. You followed the crowd and wrote your website and blog copy yourself. Maybe you got lucky and had an article feature on Google's second SERP. Or you went for another freelancer with more charms than skills. Perhaps, you even sacrificed some important affairs in your busy schedule for writing a 'killer content.' Only, after waiting days, weeks, or months, your supposed 'killer content' doesn't convert. You stagnate for months while you keep seeing your annoying competitor with clearly inferior products get pompous with profits. Then you ask yourself, WHY? Coming back to the present, right now, you have a few seconds left to make this decision of choosing a content writing expert who: Write copies that can GROW your business. Write copies that makes you real SALES Write copies that CONVERT. Tell me, what do you do? "Send an Invite now! " I know, things might work out, but can you afford to stake a price as high as your business survival? Remember, if you don't employ a professional content writing service, your competitions will. MEET THE EXPERT My previous clients' perfect satisfaction with my help is evident in my 100% JSS and top-rated badge. What does this mean for you? AS AN EXPERT COPYWRITER, I'd bring your visualized brand standard to reality with well-researched, engaging, and plagiarism-free copies. To do that, I'd start by understanding your brand's language and, with it, bring your BRAND'S FAILURES into submission through a detailed analysis of your product/service, target audiences, and competition. Using my findings from your brand's market analysis, with the aid of tools like Copyscape, SEMrush, ahrefs, and Grammarly premium, and my excellent copywriting skills, I'd represent your brand in highly converting, engaging, quality, and scroll-stopping copy. that will BOOST YOUR BRAND's CTR, traffic, conversion rate, and ultimately, SALES, by well over 65% in a short period. (Without any extra cost on service/product improvement). With my copywriting services, you would finally get to admire your dazzling SMILE on TOP BUSINESS MAGAZINES front pages, just as Mokotech, Ideaflavour, and uber.com have, over the last five years of enjoying my copywriting services. With me, you also get: 📌 Plagiarism and error-free copy 📌 Copies with excellent grammar. 📌 Multiple proofread and edits. 📌 Great communication skill 📌 Super fast delivery. SKills: Direct-response Copywriting SEO Audit SEO Content Writing Web content Direct-response Copywriting Blog Content Your BRAND'S SUCCESS is only a text away. DON'T MISS IT! I look forward to having a satisfactorily productive time with you. OLuAdEthereumResearch & StrategyMarketing StrategyCryptocurrencyBitcoinBlockchainEditing & ProofreadingCopywritingEnglishContent SEOSEO WritingFinancial WritingPress ReleaseBlog Content - $50 hourly
- 0.0/5
- (0 jobs)
Yash Nagdeote Senior Web-Based Full-Stack, Blockchain, Cryptocurrency & Game Engineer A highly focused senior Full-Stack engineer with 11+ years of experience in a variety of development projects. Organized, methodical and a keen eye for detail results in solid coding and a trustworthy program. Understanding client requirements and communicating the progress of projects are core values in achieving long-lasting business relationships.EthereumBlockchainMySQL ProgrammingNFTSocket ProgrammingPhaserRESTful APIJavaScriptDockerHTMLCodeIgniterC++MongoDBLaravelAngularJS - $150 hourly
- 4.0/5
- (4 jobs)
Not Available for new projects till June 2024 Software engineer, hacker, AI breeder, data wrestler, blockchain mechanic, web app blacksmith - Expert Vetted Badge acquired. These days, my main focus is on applications that leverage LLMs and other AI technologies. I like to design and build stuff, but the thing I enjoy most is problem solving. I sometimes get bored easily and thrive on new challenges, be they algorithmic or even the occasional bug-hunting - I actually like debugging! With a solid background in full-stack engineering, machine learning, data engineering, and complex web scraping, and a recent interest in blockchain technologies, I am able to design and efficiently implement a wide range of solutions.EthereumAmazon Web ServicesJavaScriptReactWeb3Full-Stack DevelopmentNoSQL DatabaseData VisualizationWeb ScrapingData EngineeringSolidityBlockchainSQLMachine LearningPython - $50 hourly
- 5.0/5
- (1 job)
🌟 Welcome to Your Next Level Solution! 🌟 👏Hello there!👋 I'm your go-to expert with a rich 9-year track record in pushing boundaries in several blockchain ecosystems(Solana, EVM, Polkadot, Cosmos, TON), Frontend development and Web3 integration. 🏆 Core developer of three blockchain communities 👨💻 Over 20000 hours of Blockchain and Web development ✅ 40+ completed projects 🥇 NEAR MetaBUILD III Hackathon winner My professional experience includes: 🌍Designed and developed DeFi projects like decentralized exchanges, trading platforms, and bonding mechanisms, as well as creating dynamic NFT marketplaces and interactive NFT games. 🎯Built the dapps and DeFi with expertise in web development from ground up, ensuring its seamless integration and drove the development and leadership of a cutting-edge DeFi protocol that encompasses a decentralized exchange (DEX), bridge, and innovative trading platform. ✨Expertized in smart contract development, with a strong focus on Solana while also utilizing Solidity and Rust for Ethereum and Binance Smart Chain, along with emerging platforms like Polkadot, Cosmos and Near. 🎰Built NFT Marketplaces and Casino game using React, Next.js, Vue.js, Flutter and Node.js, ensuring seamless user experiences. 💦Proficient in developing frontend using JS/TS frameworks like React and Next.js including various projects like e-commerce, financial, education, customer management, real estate, Blockchain area. Why Choose Me? - 🤓 A relentless problem solver, keen on details, and with a knack for spotting patterns where others see chaos. - 🌱 A passionate professional who believes that every project is an opportunity to break new ground. - 🤝 Committed to turning your vision into reality, ensuring that together, we achieve your goals and beyond. Ready to bring the future of Blockchain and Web development to your projects? Let's SET your vision in motion and CREATE something extraordinary. 💫 Feel free to reach out anytime. Let's make your project the next big thing! Thank you for considering my profile. Looking forward to our successful collaboration.EthereumInkPolkadotweb3.jsCosmos OSSolanaRustSolidityNodeJS FrameworkPythonVue.jsNext.jsReact - $60 hourly
- 0.0/5
- (0 jobs)
I'm a blockchain engineer, interested in blockchain Web3 opportunities. I have worked on Ethereum and Tendermint. My main tech stack is Solidity, Golang and Rust. I also have experience in Typescript/Node.jsEthereumBitcoinRustSolidityGolang - $999 hourly
- 4.3/5
- (64 jobs)
Expert-level developer who taught himself to code around 1992 and has been coding ever since. I'm capable of handling far more complex code and can work much faster than the vast majority of software developers. My primary strength lies in analyzing, debugging, optimizing and inventing complex algorithms that may involve advanced mathematics. Languages I have worked with: C++/C, Rust, Javascript, Typescript, Solidity, PHP, Python, Perl, (Object) Pascal, Objective C(++), Elixir, Haskell, Ruby, Basic, SQL, Java. Very strong in C++ and Javascript. IDEs I have worked with: Visual Studio Code, Visual Studio (several version across decades), Delphi, C++Builder, Turbo Pascal, Qt Creator, Emacs, Eclipse, Visual Basic Currently preferred frontend/backend stack: React + Node.js + MySQL/MariaDB/Postgresql/MongoDB Experience with • 3D rendering engines (OpenGL, OpenGL ES, Direct3D, Metal, ....) • Audio engines (DirectSound, Core Audio, Audio Units), encoders and decoders (ogg, mp3, flac, ffmpeg, ...) • Compression algorithms (huffman, arithmethic, LZW, BWT, ...) Past projects: • NFT browser extension for Chrome and Firefox integrating with OpenSea in Typescript/React + Node.js/MongoDB database • Vested staking smart contract in Solidity with Typescript web3 interface • Monero miner using C++ in Visual Studio & Qt targeting Windows, Mac/OSX (and Linux) • C++ TUI app using REST API and Websocket interfaces to several centralized exchanges • CELO blockchain app in Android app using React Native • Amfeix funds recovery project in Javascript/React and Node.js interfacing with Bitcoin RPC and web3 • Bitcoin and Ethereum wallet development • Shipment label website using cryptocurrency payments through BtcPay integrating with Shippo API and bitcoin node in Javascript/React and Node.js Decentralized exchange arbitrage trading bot developer • Scanning Ethereum for compatible exchange and ERC20 smart contracts • Engine: Javascript web3 interface in Node.js/MySQL Blockchain vulnerability scanning • Scanning the Ethereum blockchain for a specific vulnerability • Engine: Javascript web3 interface in Node.js Defi protocol studies • Studying of DeFi protocol YAM in solidity • Javascript web3 interface in Node.js to interact with smart contracts Blockchain Consensus Protocol • Ethereum fork by replacing PoW with the state-of-the-art PoS v4 iChing consensus protocol • Replacement of account keys with the BLS cryptographic signature scheme using the BLS-12-381 elliptic curve • Implemented in C++ Ethereum client • Interface code to import a BLS-12-381 library written in Rust into the C++ codeEthereumBlockchain ArchitectureBinance CoinBitcoinNodeJS FrameworkOpenGL Shading LanguageCryptocurrencyOpenCLBlockchainEmerging Tech ConsultationSoliditySmart ContractJavaScriptC++Node.js - $28 hourly
- 4.9/5
- (2 jobs)
An analytical mind that can analyze and comprehend new or unfamiliar technologies. I'm an autodidact, highly adaptable to changes, a good team worker, analytical, organized, proactive, and creative, a problem solver, and a lifelong learner with an insatiable curiosity. Software developer with 15 years of experience in IT, 8 as a software engineer (full stack developer, mobile developer, DevOps, and management IT team experience). - Experience in project management, system analysis, and technical requirements. - Experience working with international companies and international stakeholders. - Experience with mobile development (Swift, Java, Ionic, React Native, and Flutter) from scratch to releasing and managing apps in the stores (Google Play & App Store). - Experience in DevOps, managing and deploying applications on AWS using EC2, RDS, S3, CloudFront, Route53, and other services; CI/CD (Github and Bitbucket). - Development skills in different languages (JavaScript, Dart, PHP, Swift, Java, Ruby). - Extensive experience in JS tools and frameworks such as React, React Native, Node, NextJS, Angular, and GraphQL. - Experience MongoDB, MySql, and Postgres; HTML and CSS (pixel-perfect skills).EthereumReduxSmart ContractWeb3Amazon Web ServicesGoogle Cloud PlatformTypeScriptAWS LambdaAngularJSAndroidMongoDBReact NativeNode.jsJavaScriptReact - $15 hourly
- 0.0/5
- (3 jobs)
I'm Jamie, a UK-based Google Ads specialist dedicated to achieving real outcomes for your business. Unlike many, I focus solely on delivering measurable results rather than just making promises. Here’s what I offer: Google Ads Campaign Management: Crafting and optimizing campaigns to reach your ideal audience. High-Impact Ad Creation: Designing ads that drive clicks and conversions. Strategic Campaign Planning: Implementing both short and long-term strategies to maximize your ROI. Detailed Performance Analysis: Regularly reviewing and adjusting campaigns based on data to ensure optimal performance. I provide comprehensive Google Ads services, including: Full campaign management and optimization. Detailed audience targeting and ad placement. Regular performance reports and strategic recommendations. I'm not the cheapest, but my focus on results ensures that every penny you invest works hard for you. If you're ready to see real results, click "hire now" and let’s schedule a free consultation to discuss your needs. Please note: I work directly with business owners. If you’re not the owner, I’ll need to speak with them first. Looking forward to working with you, Jamie Michael StoneEthereumGaming NFTNFT MetadataBlockchain DevelopmentNFT Collection GenerationNFT MarketplaceSmart ContractBlockchain, NFT & CryptocurrencyBinance NFTNFT MintingSocial Media Marketing PlanSocial Media Marketing StrategyPPC Campaign Setup & ManagementTikTok MarketingMarketing AutomationMarketing StrategyAdvertisingPay Per Click AdvertisingSocial Media MarketingInstagram MarketingInstagram Ad CampaignFacebook MarketingFacebook Ad CampaignFacebook AdvertisingFacebook Ads Manager - $25 hourly
- 0.0/5
- (1 job)
Hi , My name is Lee. I am experienced in modern web development frameworks. I am presently investing my time in ethereum dapp development. Thanks for taking the time to visit my profile.EthereumSolidityweb3.jsTruffleJavaScriptReact - $46 hourly
- 0.0/5
- (0 jobs)
I am a self-taught blockchain developer, upon founding my I own project 'RPS Finance' (rps.finance) since 2018. A blockchain-based DAO, that extends staking periods via P2P games. As the Play2Earn and fintech industries begin to boom, where you can create better, more decentralised applications for income - I have a considerate passion for this industry and would love to teach and encourage more applications for this tech. So please don't hesitate to reach out for even just advice, we can jump on a call or you can send me a document / message with your requirements. I have over 4 years experience and learning rapidly as more systems emerge.EthereumBinance NFTBlockchainWeb3Smart ContractBinance CoinEtherEtherscanSolidity - $25 hourly
- 0.0/5
- (0 jobs)
Hi i’m Zully, from London, I have a strong background in blockchain development and engineering and I prioritise excellent soft skills in communication with clients, I will manage and support the complete development of your smart contracts and DApps. I will develop for a much better and lower competitive price as Im further building my knowledge and experience. I have experience with Ethereum and Solidity. Also truffle suite, web3.js and IPFS integration. Last but most importantly I also do security audits and make necessary adjustments.EthereumBlockchain ArchitectureUX & UIDApp DevelopmentIPFSHardhatweb3.jsTruffleSolidityBlockchain SecuritySmart Contract DevelopmentBlockchain Development - $299 hourly
- 4.3/5
- (8 jobs)
Some notable projects and work during my career: • EXPERIENCED IN MOBILE: Took the lead for pin and bio-authentication of many companies flagship Mobile application. • EXPERIENCED IN API'S: I have worked on the setup for the containerisation (docker) of many Point of Sale gateways (which I also helped write in javascript). These gateways transformed request coming in and sent them on and are currently processing payments for some of the largest American sports teams. • ENSURE QUALITY I will ensure the products you request from me are fully tested. Especially when it comes to Smart Contracts which I will ALWAYS audit and test comprehensively.EthereumBlockchain DevelopmentBitcoinSmart ContractReact NativeAPI DocumentationSolidityAPI DevelopmentRESTful ArchitectureCSSJavaScriptNode.jsReact - $35 hourly
- 0.0/5
- (0 jobs)
Hello! My name is Lucca, and I specialize in Shopify and cybersecurity solutions, totaling a 4 years of experience as a SWE, having worked for companies such as CurrentBody, a 34 million+ revenue Shopify Plus store. Here’s a comprehensive look at my technical expertise and project involvements: Deep experience with Shopify’s ecosystem, including: -- Reworked the CurrentBody Shopify theme to fully support JSON templates and integrated Tailwind CSS, which significantly reduced reliance on client-side JavaScript for discounts. -- Developed and implemented a Shopify Function extension dedicated to handling discounts more efficiently, streamlining the checkout process. -- Regularly provided technical support and participated in on-call rotations to ensure ongoing system reliability and rapid issue resolution. -- Enhanced performance and security by migrating from Shopify Ruby scripts to Shopify Functions. -- Built sophisticated admin panels using Django 4 for comprehensive management of email campaigns, discounts, and analytics. --Extensive experience in developing more complex functionalities, including: -- Shopify apps and ERP integrations to optimize business operations. -- Advanced AWS Lambda functions for monitoring Trustpilot reviews. -- Slack bots for real-time sales updates, segmented by brand using AWS Lambda, Zapier as well. -- Custom discount applications using Python Django API and React Hydrogen to tailor promotions. -- GScript spreasheet automation for financial data entry to Brightpearl ERP Proficient in front-end and cybersecurity technologies with a significant tenure at Citation, where I focused on: -- Implementing front-end refactoring using Material-UI for a more intuitive user interface. -- Leading the migration of our main tech stack to Django 4, enhancing application performance and security. -- Developing features for the automation of the user onboarding process as soon as deals were closed in platforms like Pipedrive, significantly improving operational efficiency. -- Providing ongoing support and maintenance to critical components of our products, ensuring robust security and system reliability. With a blend of development expertise and a knack for innovative solutions, I am keen to contribute to your projects, ensuring both technical excellence and strategic success.EthereumReact NativeNettingSolidityAWS LambdaTailwind CSSPythonNode.jsReactAmazon Web ServicesTypeScript - $60 hourly
- 0.0/5
- (0 jobs)
I'm a software engineer with 19 years of professional experience. I have worked for around 17 different UK based organisation in teams comprised of exceptional software developers. I know how to engineer software that not only works but is reliable, scalable, testable, secure and expansible. I can create: * Web-apps * APIs * Websites * Trading bots * Web scraping scripts * Smart contracts * Automation scripts I currently use: * Python * FastAPI * Flask * Javascript * HTML * CSS * Bootstrap * SolidityEthereumNFTEcommerceProduct DevelopmentWeb DevelopmentEcommerce WebsiteBlockchain ArchitectureWeb ApplicationJavaScriptSolidityCSSHTMLFlaskFastAPIPython - $22 hourly
- 0.0/5
- (0 jobs)
I'm a software developer I have been developing websites and applications for around 5 year. Most of my experience lies in backend development. I have worked with HTML/CSS, Javascript/NodeJS, ExpressJS, some scripting languages like Typescript, Python, Java, and a little bit of C++ Proficient in blockchain development using languages such as Solidity and JavaScript. Skilled in smart contract programming, cryptocurrency integration, and blockchain security. Capable of providing strategic consulting on blockchain adoption and implementation. Familiar with decentralized finance (DeFi) applications. Committed to staying updated on the latest developments in the blockchain industry. While I am not actively searching for a position, I heard that there are some devops projects that are available and that happens to be the same direction that I want to take in my career.EthereumBlockchainSolidityExpressJSPythonJavaScriptNode.js Want to browse more freelancers?
Sign up
How hiring on Upwork works
1. Post a job
Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.
2. Talent comes to you
Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.
3. Collaborate easily
Use Upwork to chat or video call, share files, and track project progress right from the app.
4. Payment simplified
Receive invoices and make payments through Upwork. Only pay for work you authorize.