Freelancers para contratar en Ukraine - Página 4
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Freelancers patrocinados
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A freelance developer with 7+ years of experience in cryptocurrency and blockchain technologies and web development. I'm a blockchain and smart contracts developer - Ethereum, Solana, Binance Smart Chain. I also have experience with EVM and custom blockchains. I am expert with Tokenomics and have written several...A freelance developer with 7+ years of experience in cryptocurrency and blockchain technologies and web development. I'm a blockchain and smart contracts developer - Ethereum, Solana, Binance Smart Chain. I also have experience with EVM and custom blockchains. I am expert with Tokenomics and have written several whitepapers too. I have also used Web3 to integrate several Smart contracts of different blockchain to frontend designs. With Binance Chain and Binance Smart Chain I have developed several Defi and Dapps and written 100+ smart contracts and deployed it in Binance Smart Chain and Binance Blockchain. I am expert in Uniswap, Sushiswap, Swapping tokens, Staking, Yield Farming etc. I handle technology in-house and have platforms built overseas for token distribution including: -ERC20 or ERC223 smart contracts -Smart contract audits -Creation of API's to link your native token to a web platform -Secure node development -Sales platform services -On-platform wallet creations My strengths are: - PHP, JavaScript, React.js with its framework, React Native -Website Design, Html -Node.js, Express JS - Solidity, web3 - Blockchain technologies - ICO investors Dashboards and Etherium smart contracts for ICO, front-end development with data visualization(graphs, charts, portals) - Databases like PostgreSQL, MySql, MongoDB - Automated Bots (Request Based as well as Browser/Selenium Based) menos
Contratar SerhiiTiutiunnyk
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Experienced UI/UX designer specializing in Shopify and Webflow development. Let me bring your digital vision to life with sleek, user-friendly websites that drive results.Experienced UI/UX designer specializing in Shopify and Webflow development. Let me bring your digital vision to life with sleek, user-friendly websites that drive results. menos
Contratar KOVBIII
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As a full stack web3/blockchain engineer, I possess a deep understanding of full stack web and mobile applications, dapp, Defi, and NFT field. My expertise also includes smart contract development on EVM and Solana. With a strong foundation in blockchain technology, I am adept at creating innovative solutions for...As a full stack web3/blockchain engineer, I possess a deep understanding of full stack web and mobile applications, dapp, Defi, and NFT field. My expertise also includes smart contract development on EVM and Solana. With a strong foundation in blockchain technology, I am adept at creating innovative solutions for decentralized applications and navigating the complexities of the blockchain ecosystem. My experience in developing smart contracts on the Ethereum Virtual Machine (EVM) and Solana blockchain has equipped me with the skills to architect secure and efficient blockchain solutions. I am committed to staying at the forefront of the rapidly evolving web3 and blockchain landscape, continuously expanding my knowledge and skills to deliver cutting-edge solutions. With a passion for leveraging blockchain technology to drive real-world impact, I am dedicated to pushing the boundaries of what is possible in the world of decentralized applications and blockchain development. Kindly message for discussion regarding your project anytime. Thank you! menos
Contratar mykhailo6
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Software engineer with over 8 years of full stack experience that had been working in several companies as a full stack engineer, he has a wide range of knowledge in web development such as Javascript frameworks, PHP, Python/Django, Ruby on rails etc. He also worked as a blockchain engineer for 3 years and has...Software engineer with over 8 years of full stack experience that had been working in several companies as a full stack engineer, he has a wide range of knowledge in web development such as Javascript frameworks, PHP, Python/Django, Ruby on rails etc. He also worked as a blockchain engineer for 3 years and has experience in working in several communities with cutting edge technology like SingularityNET, Fetch.ai, Athelea AI etc. Now he mainly focusing on Generative AI and Prompt Engineering. menos
Contratar oleksandr51
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? I've built lots of websites and applications used by over 300 employees every day. ? Over 7 years of experience in Mobile, MERN Stack, T3 Stack, and Top Tech Trends ? If you choose me for your project, you can expect: ? Build a web application for your business to save over hundreds of hours and reduce repetitive...? I've built lots of websites and applications used by over 300 employees every day. ? Over 7 years of experience in Mobile, MERN Stack, T3 Stack, and Top Tech Trends ? If you choose me for your project, you can expect: ? Build a web application for your business to save over hundreds of hours and reduce repetitive tasks. ? Improve your ongoing project - I can help you to add new features and functionalities, fix bugs and improve performances, etc. ? Build MVP Project to prove your idea and concepts - Will build it in 1 or 2 weeks with the basic functionalities you want. ? With my high skill in communication and brightest vision for your business, I will work with your timezone to ensure that we are on the same page throughout the project ? My Highlight Skills include: ✔ Mobile: Flutter, React Native, Swift ✔ Programming Language: JavaScript, TypeScript, Node.js, Python ✔ Front-end Development: React.js, Vue.js, React-Redux, React-Query, Material-UI, Bootstrap, Progressive Web Application ✔ Back-end Development: Node.js, Python, Django, GraphQL, Laravel ✔ Databases: MongoDB, MySQL, PostgreSQL, Firebase ✔ Amazon Web Services, Google Cloud Platform ✔ Git and Version Control: Jira Pipelines, Bitbucket, GitHub ✔ BlockChain: Ethereum, Web3.js I am new to Upwork, but I am a veteran of web development with over 6 years of experience. IF YOU'RE INTERESTED IN WORKING WITH ME? Click the green "Invite to Job" button in the top right-hand corner, send the briefing of your business, and organize a call so that I can take a look at your purpose. Thank you for considering my profile! Soroka Yuriy menos
Contratar sorokayuriy
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I am the talented, smart-working programmer, good in maths, with 15 years of experience in PC programming. :) Main languages I program in: VBA (for Excel/Word/Access/PowerPoint/Outlook) & VB.NET & VBS & VB6 C# & C/C++ & PHP & JavaScript & Python :) I provide following solutions: ● VBA macros (for Win/macOS versions...I am the talented, smart-working programmer, good in maths, with 15 years of experience in PC programming. :) Main languages I program in: VBA (for Excel/Word/Access/PowerPoint/Outlook) & VB.NET & VBS & VB6 C# & C/C++ & PHP & JavaScript & Python :) I provide following solutions: ● VBA macros (for Win/macOS versions of MS Office & cross-platform),VB6/VB.NET/C/C++/C# desktop/console apps, PHP scripts for data import/cleaning/validating/sorting/transforming/conversion; ● Web scrapers (including Selenium-based scrapers in VBA/other languages); ● Access/Excel/Outlook/PowerPoint/Word add-ins; ● VBScript scripts for automation tasks; ● add-ons/plugins for Web browsers (Edge/IE/Firefox/Chrome/Opera); ● console C/C++ programs for Linux/BSD; ● upgrading legacy source code, legacy application modernization (VB5/VB6, old versions of VB.NET/VC++/C#/PHP); ● converting source code to different programming language; ● removing viruses, "trojan horses" & other malware from "hacked" websites. :) Some of tools I use: MS Office (both for Windows and macOS) & MS Visual Studio GCC (GNU Compiler Collection) & SQL Server Management Studio :) Other skills: .NET & WinForms & WPF & Jet SQL & MS SQL & MySQL XML & HTML & CSS & JSON & jQuery & Regular Expressions Web APIs & Windows Services & Application Installers OOP :) OSes I worked with/developed apps for Windows 10/8.1/7/Vista/XP/98 & Linux & BSD & macOS My programs have the clear UIs, are robust; the code of my programs is clean, well-commented, follows the best programming standards. I communicate politely & clearly, exactly fulfil the project requirements, respect all the changes suggested by my clients. Freelance is my main occupation, I'm always ready to start work right after accepting your contract. You'll get a high-quality product & long-time support when hiring me. If You have questions, just start a "Chat" with me to initiate a consultation. Please disregard few "1.0" reviews from scammers. ;) menos
Contratar v4d1m
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Welcome! With 7+ years of expertise, I'm a top-tier Senior Full Stack Developer with a passion for crafting exceptional digital solutions in high impact industries like E-commerce, Fintech, and Healthcare. Specializing in MVP development for startups. My toolkit includes cutting-edge technologies like MERN, MEAN...Welcome! With 7+ years of expertise, I'm a top-tier Senior Full Stack Developer with a passion for crafting exceptional digital solutions in high impact industries like E-commerce, Fintech, and Healthcare. Specializing in MVP development for startups. My toolkit includes cutting-edge technologies like MERN, MEAN stacks, along with PHP-based CMS platforms(especially WordPress). ✨Programming Languages✨ JavaScript | TypeScript | PHP | Python | C++/C# | Java ✨Frontend✨ HTML | CSS | JavaScript | Typescript | React | Next | Angular | Redux toolkit | Scss | Bootstrap | Tailwind | AntD | Chart.js ✨Backend✨ JavaScript | TypeScript | Node.js | Express.js | Nest.js | Nuxt.js | PHP | Python | C# ✨Databases✨ MongoDB | PostgreSQL | MySQL | Azure Cosmos DB ✨Blockchain skills✨ Smart contract | Solidity | Rust | Web3 | NFT | Token | DeFi | DEX | Wallet connect With a solid foundation in both frontend and backend technologies, I have a comprehensive understanding of the development lifecycle, DevOps practices, and cloud platforms. I am dedicated to delivering high-quality code, implementing efficient solutions, and collaborating effectively with teams to drive project success. menos
Contratar MaksymDatsko
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ValentynSavchuk ValentynSavchuk
$25 USD / hora
Python(ML/AI/Scraping/Automation/Lightroom |eBay)UkraineAs a skilled professional with a passion for machine learning, artificial intelligence, and web scraping/automation, I excel at leveraging Python to develop innovative solutions that solve complex problems. My expertise includes utilizing state-of-the-art technologies, tools, and algorithms to create systems that...As a skilled professional with a passion for machine learning, artificial intelligence, and web scraping/automation, I excel at leveraging Python to develop innovative solutions that solve complex problems. My expertise includes utilizing state-of-the-art technologies, tools, and algorithms to create systems that drive business growth and efficiency. Core Skills: 1. API integration support. eBay, Amazon API, Adobe Lightroom/LUA , Photoshop, PayPal API, AWS rekognition etc. 2. eBay , Amazon Support. eBay escalate , Amazon return request management and reduce A-Z claims. Scraping, Automation by using SP-API /MWS API/ eBay API. Getting PII access , escalation auto handling, auto return handling, trading, inventory management, Payment handling etc.] (I can automate all seller, buyer's operation in amazon , eBay) 3. Machine Learning & Deep Learning: TensorFlow, Keras, PyTorch, Scikit-learn 4. Artificial Intelligence: Natural Language Processing (NLP), Computer Vision, Reinforcement Learning 5. Python Programming: Proficiency in Python and its libraries (NumPy, Pandas, Matplotlib, Seaborn) 6. Web Scraping & Automation: Beautiful Soup, Selenium, Scrapy, Requests 7. Big Data & Cloud Technologies: Hadoop, Spark, AWS, Google Cloud Platform 8. Data Visualization: Tableau, Power BI, Plotly 9. Version Control & Collaboration: Git, GitHub, GitLab menos
Contratar ValentynSavchuk
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I am a Blockchain, Full-stack and Desktop Application developer, who has years of strong experience on Blockchain |NodeJS|ReactJS | HTML/CSS| JavaScript | C/C++, C#|Java. I have developed many token and Smart Contract by Solidity as well as Web3.js and React frontend. Even also good at both of JavaScript and...I am a Blockchain, Full-stack and Desktop Application developer, who has years of strong experience on Blockchain |NodeJS|ReactJS | HTML/CSS| JavaScript | C/C++, C#|Java. I have developed many token and Smart Contract by Solidity as well as Web3.js and React frontend. Even also good at both of JavaScript and typescript, have experience on |Solana|Solana-Web3|DeFi|Dex|UniSwap|Pancakswap|Olympus DAO|Angular|VueJS|GMX|Substrate, so hopefully it would be helpful for you. From these above experiences, I want to make a long-term relationship with you as a great business partner and great developer. menos
Contratar RostyslavMandebu
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With exceptional brain power, lightning-quick tact, passion, and extensive knowledge of full-stack development, always satisfy my customers.With exceptional brain power, lightning-quick tact, passion, and extensive knowledge of full-stack development, always satisfy my customers. menos
Contratar nataliia6
