Backend Developers para contratar en Ukraine
Mostrando 17 resultados
Freelancers patrocinados
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Who am I? I am a Full Stack web developer with more than 15 years of experience. During these years I had different types of projects - CMS, CMR, Decision Support Systems, Marketing Systems, visual editors for graphic materials, custom development projects, and a lot more. I had experience in creating various custom...Who am I? I am a Full Stack web developer with more than 15 years of experience. During these years I had different types of projects - CMS, CMR, Decision Support Systems, Marketing Systems, visual editors for graphic materials, custom development projects, and a lot more. I had experience in creating various custom themes for WordPress, Opencart, Magento, and other popular CMS. I have strong skills and a lot of experience in LAMP stack development and Vue.js. But I am always open to studying something new. There is no limit to perfection. Therefore I'm always looking for new interesting tasks and challenges I have two main professional principles : 1. All is possible, the question is time. 2. Always do a job like you doing it for yourself. Thank you in advance for your time and consideration. I look forward to working with you soon. menos
Contratar sartdev
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My major is artificial intelligence. With over 6 years of experience in web, mobile, blockchain, desktop application development. Through freelancing, I hope to help many others demystify AI technologies and get working solutions to help them be ahead of the curve in the future. - Proficient in all major machine...My major is artificial intelligence. With over 6 years of experience in web, mobile, blockchain, desktop application development. Through freelancing, I hope to help many others demystify AI technologies and get working solutions to help them be ahead of the curve in the future. - Proficient in all major machine learning, data visualization and image processing. Python, C++, MATLAB - Also can work any Back-End or Front-end Side. Backend: Python, NodeJS, PHP etc. Frontend: React, Vue, Angular etc - Easy to use Desktop Applications. C/C++, C#, Qt, Python etc menos
Contratar TarasArtiuk
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I have over 15 years of experience in Web Development: + Front end development: Design to Html 5 / Css 3 / Bootstrap 5 / jQuery + WordPress Development: Custom themes / Theme Installation / Elementor / WP Bakery / Visual composer / ACF / WooCommerce / WPML / Contact form 7 I work alone (not the company). My code...I have over 15 years of experience in Web Development: + Front end development: Design to Html 5 / Css 3 / Bootstrap 5 / jQuery + WordPress Development: Custom themes / Theme Installation / Elementor / WP Bakery / Visual composer / ACF / WooCommerce / WPML / Contact form 7 I work alone (not the company). My code is always High Quality, Hand-Coded, W3C Valid, Cross-Browser. I work accurately, very pedantic in my work, respect the deadlines. I am a hard-working, extremely fair and honest. Long-term cooperation is desired. menos
Contratar sksv
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Client-focused Full stack developer. 5 years of experience in web & app development. Creative, sophisticated, dedicated developer with imaginative and efficient solutions for large-scale websites. Develop high-quality software for rapid deployment of bug fixes and new features using established development...Client-focused Full stack developer. 5 years of experience in web & app development. Creative, sophisticated, dedicated developer with imaginative and efficient solutions for large-scale websites. Develop high-quality software for rapid deployment of bug fixes and new features using established development standards. Always looking for new challenges and experiences. menos
Contratar paulbasht
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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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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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Good Morning/Afternoon/Evening. Here are my main skill sets. ✓ Mobile: Flutter, React Native, Kotlin, Swift (Android, iOS), several LMS, CRM ✓ Backend: Node, Nest, PHP, Express, Laravel, Golang, RESTful API, SQL, No-SQL, Graph QL ✓ Frontend: React, Vue, Next, Angular, Svelte, Tailwind CSS, ✓ OpenAI, Langchain, GPT...Good Morning/Afternoon/Evening. Here are my main skill sets. ✓ Mobile: Flutter, React Native, Kotlin, Swift (Android, iOS), several LMS, CRM ✓ Backend: Node, Nest, PHP, Express, Laravel, Golang, RESTful API, SQL, No-SQL, Graph QL ✓ Frontend: React, Vue, Next, Angular, Svelte, Tailwind CSS, ✓ OpenAI, Langchain, GPT API ✓ TG API, Twitter API, Scraping, BotPress ✓ E-Commerce: WordPress, Shopify ✓ Python, Flask, Django, Fast Api ✓ C#, Blazor, ASP.NET ✓ DApp, DEX, CEX, DeFi, Cosmos SDK, NFT ✓ Twilio, Firebase, Google services, AWS, GQL, Docker, DevOps Mobile App Development With proficiency in Flutter, React Native, Kotlin, and Swift, I've contributed to the development of intuitive and seamless mobile applications for both Android and iOS. My work extends to various Learning Management Systems (LMS) and Customer Relationship Management (CRM) applications, ensuring businesses maintain efficiency and consumers stay engaged. DotNet Ecosystem As a .Net specialist, I've engaged in projects utilizing C#, Blazor, .Net, and .Net Core. My solutions in this domain are characterized by efficiency, security, and scalability. Blazor Expertise Blazor, as a revolutionary framework for building interactive web UIs with C# instead of JavaScript, has been my forte. I've been at the forefront of utilizing its components, dependency injection, routing, and other features to create SPA (Single Page Applications) and web apps that are fast, responsive, and intuitive. By harnessing the capabilities of WebAssembly with Blazor, I ensure that users get a near-native performance in the web apps I develop. Python Web Frameworks My Python expertise extends to popular frameworks like Flask, Django, and Fast API. Whether it's crafting web applications or developing backend logic, I've utilized Python to deliver optimal solutions. Angular, Nest Expertise Angular, being a groundbreaking platform for building dynamic and robust web applications, is a domain where I excel. I have been pivotal in leveraging its reactive frameworks, two-way data binding, directives, and modular architecture to craft SPA (Single Page Applications) and intricate web interfaces. By capitalizing on Angular's powerful CLI, Ivy renderer, and RxJS, I ensure that the applications I design are both high-performing and user-centric. Drawing upon the versatility of NestJS's modular structure, its integration with TypeScript, and its embrace of decorators, I've been able to create backends that are maintainable, testable, and in harmony with modern API architectures. Totally, I am proficient in AI, Mobile, ASP, Python, Angular+Nest and also, Sure I provide high quality products. menos
Contratar AlexKos2006
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*I will always put the client's determination into good practice.* I am senior blockchain developer. I have 4+ years experience to develop blockchain dapps. And I am very familiar with Hardhat. So I can support Hardhat test script about my working result. - I have developed various kinds of token contracts such as...*I will always put the client's determination into good practice.* I am senior blockchain developer. I have 4+ years experience to develop blockchain dapps. And I am very familiar with Hardhat. So I can support Hardhat test script about my working result. - I have developed various kinds of token contracts such as auto rebase token, Reflection token and so on.(support Airdrop) https://bscscan.com/address/0xb15f39d979208F05474CF4B8f66Fd46f6f4A77f3#code - And I have forked PancakeSwap and developed DeFi sites. https://staking.dogedash.com/farms https://metarewardstoken.com/ -Recently, I think, Olympus DAO is very famous. I forked and launched Olympus DAO several times. https://app.murky.finance/ http://app.crypstarter.finance/ -Also, I am very familiar with NFT, too. I developed NFT Minting and staking sites. Specially, I developed several NFT breeding games that include NFT minting, NFT staking and market places. Those are live NFT eco-systems. https://chikn.farm/ https://minerjoe.com/mint.html -I can clone deployed contract without losing saved holder's info and make it proxy contract for updating in future. (The Graph is necessary.) I guarantee 100% that I can fully satisfy the needs of client's with my skill and experience. My specializations: o Issuing Crypto Token contract(ERC-20, TRC-20, BEP-20 and etc.) o DeFi & Dex sites o NFT Contract o NFT Mint website o NFT Staking website o NFT Marketplace o NFT Game o Solidity, web3.js, Hardhat, React menos
Contratar pivendev
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Welcome to my profile! I am a senior software engineer with over 8 years of experience in delivering cutting-edge solutions and driving technology advancements in Finance, Healthcare and Ecommerce. My passion for technology is matched by my commitment to delivering high-quality and scalable software solutions. My...Welcome to my profile! I am a senior software engineer with over 8 years of experience in delivering cutting-edge solutions and driving technology advancements in Finance, Healthcare and Ecommerce. My passion for technology is matched by my commitment to delivering high-quality and scalable software solutions. My skills: 1️⃣ Frontend Development ✅ Languages and Frameworks: ?HTML5 ?CSS3 ?Javascript ?Typescript ?Bootstrap ?Tailwind CSS ?React ?Angular ?Vue.js ?Next.js ?Gatsby ✅Design Integration: Skilled in transforming UI/UX designs into functional user interfaces using Adobe XD, Figma, PSD, or Sketch. 2️⃣ Backend Development ✅ Languages ?PHP ?Python ?Java ?Node.js ?Ruby ?C# ✅ Frameworks and Tools ?Laravel ?Symfony ?Codeigniter ?Django ?Flask ?Ruby on Rails ?Spring Boot ?ASP.NET Core 3️⃣ CMS ✅ WordPress ✅ Webflow ✅ Wix ✅ Shopify ✅ Magento 4️⃣ Mobile Development ✅ Flutter ✅ React Native ✅ Kotlin ✅ Swift ✅ Android Studio ✅ XCode ✅ AppCode ✅ Firebase 5️⃣ Development Tools and Technologies, Databases ✅ Docker ✅ Kubernetes ✅ GraphQL ✅ REST ✅ Git ✅ MySQL, MongoDB, PostgreSQL ✅ Elasticsearch ✅ OAuth, JWT 6️⃣ API Integrations ✅ Payment Gateways (Paypal, Stripe, Square) ✅ Social Media APIs ( Facebook Graph API, Twitter API, Instagram Basic Display API) ✅ Communication API (Twilio, Mailchimp) ✅ Cloud Storage Service (Amazon S3, Google cloud storage) ✅ CDN (Cloudflare, AWS CloudFront) My approach combines deep industry knowledge with a keen eye for innovation, ensuring that I deliver solutions that not only meet but exceed client expectations. Let's bring your vision to life! Contact me today on Upwork to discuss how we can achieve outstanding results together on your next technology project. Thanks for considering my profile menos
Contratar kursv526
