Java Developers para contratação em Ukraine - Página 4
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Freelancers Patrocinados
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AlbertMurillo16 AlbertMurillo16
$43 Dólares / hora
Full Stack | React | Node.js | ASP.NET CoreUkraineHello there! I come with 9+ years of professional experience in MERN (MongoDB, Express.js, React, Node.js) stack and ASP.NET Core. I'm skilled in building scalable, high-performance web applications, from dynamic, user-friendly front-ends with React to robust, efficient back-ends with Node.js and .NET. Are you...Hello there! I come with 9+ years of professional experience in MERN (MongoDB, Express.js, React, Node.js) stack and ASP.NET Core. I'm skilled in building scalable, high-performance web applications, from dynamic, user-friendly front-ends with React to robust, efficient back-ends with Node.js and .NET. Are you looking to - Launch your startup off the ground with a state-of-the-art web application? - Optimize your website for speed, scalability, and security? - Fix a nagging bug or improve your application's performance? I'm here to help. I bring a results-oriented approach to every project, delivering clean, maintainable, and efficient solutions that meet your business needs. Whether you need a new application, an API integration, or a complete overhaul of your existing system, I've got you covered. Skills: - React.js, Next.js, Angular, Vue.js, Ant Design, Material UI, Tailwind CSS, Bootstrap - Express.js, Node.js, Nest.js, .NET Core, ASP.NET MVC, Spring - REST APIs, GraphQL, WebSocket - ASP.NET Identity, OAuth 2.0, JWT, Passport.js - MongoDB, DynamoDB, MySQL, PostgreSQL, Firebase, SQL Server - Entity Framework, Prisma, Sequelize - Vercel, AWS (S3, Lambda, EC2), Heroku, Google Cloud (Cloud Functions), Azure - Docker, GitHub Actions, Terraform, Kubernetes, Azure DevOps, Jenkins - Git, GitHub, GitLab, Azure DevOps, Bitbucket - Jira, Zeplin, Figma, Adobe XD, Trello I'm committed to delivering on time and exceeding expectations. Feel free to reach out—let’s discuss your project in detail and plan the next steps. Click ‘Invite’ or ‘Message’ to get started! menos
Contratar AlbertMurillo16
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❤️Shopify❤️Wordpress❤️Php❤️React❤️Next❤️ReactNative❤️Flutter❤️Python❤️Django❤️Mongo❤️MySQL❤️Node❤️ Hello, Welcome to my profile! My name is Yaroslave Kinda, and I am a Full-Stack Developer with over 7 years of experience in developing high-quality, scalable web applications. I specialize in delivering seamless,...❤️Shopify❤️Wordpress❤️Php❤️React❤️Next❤️ReactNative❤️Flutter❤️Python❤️Django❤️Mongo❤️MySQL❤️Node❤️ Hello, Welcome to my profile! My name is Yaroslave Kinda, and I am a Full-Stack Developer with over 7 years of experience in developing high-quality, scalable web applications. I specialize in delivering seamless, high-performance solutions that cover both frontend and backend development. In addition to this, I possess extensive expertise in Shopify, WordPress, PHP, Laravel, and Blockchain technology. My dedication to excellence and passion for both traditional web development and decentralized systems allows me to create customized solutions that drive innovation and business growth. Let’s collaborate to turn your ideas into reality. I am committed to delivering robust, innovative web solutions that not only address your immediate business needs but also empower long-term success. Please feel free to contact me for a detailed consultation. Together, we can work towards achieving your business goals. menos
Contratar yaroslavk8
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Hi, since 15 years ago, I have developed website design, website UI development, Database design and QA testing by myself. Also I have developed a wide variety of the projects using the newest web frameworks and third party libraries. My main skills include: - React Js, CoffeScript, jQuery, Vue Js, Ember Js, D3 Js,...Hi, since 15 years ago, I have developed website design, website UI development, Database design and QA testing by myself. Also I have developed a wide variety of the projects using the newest web frameworks and third party libraries. My main skills include: - React Js, CoffeScript, jQuery, Vue Js, Ember Js, D3 Js, Antd Design, Tailwind Css, MUI, Vuetify, Bootstrap-vue, Buefy, Sass, - Django, ROR, Laravel, Python, Node.js - Redis, MySql, MongoDB, Sqlite, Database Design - AWS, Google Cloud, Azure, Digital Ocean, Heroku, Firebase My extra skills include: - Next Js, Nuxt Js, Shopify, Magento - ReactNative, Cordova/Phonegap, Ionic - Nginx, Apache, Caddy, Tomcat - Ubuntu, CenOS, Gitlab CI, Azure DevOps, CI/CD, Webflox If you want, I can show you more awesome applications I've done before. Please contact me, then I will show you my good result and prove myself. Looking forward to hearing from you soon. Thank you. menos
Contratar volodymyrz2
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About Me: I’m a highly skilled Full-Stack Developer with 5+ years of experience in building dynamic, scalable, and high-performance web applications. I specialize in front-end and back-end development, creating seamless user experiences with modern technologies like React, Vue, Next.js, Laravel, and Node.js. -...About Me: I’m a highly skilled Full-Stack Developer with 5+ years of experience in building dynamic, scalable, and high-performance web applications. I specialize in front-end and back-end development, creating seamless user experiences with modern technologies like React, Vue, Next.js, Laravel, and Node.js. - Frontend: React.js, Vue.js, Next.js, Nuxt.js, TypeScript, Tailwind CSS - Backend: Node.js, Express.js, Laravel (PHP), Supabase, Firebase - Databases: MySQL, PostgreSQL, MongoDB, Snowflake - CMS & Headless CMS: Sanity.io, Strapi, WordPress API - Other Tools: AWS, Firebase, GitHub Actions, Docker ✨ What I Offer: ✅ Custom Web Solutions: Scalable and high-performance applications ✅ Headless CMS Development: Sanity, Strapi, WordPress API integrations ✅ API Development & Integrations: RESTful & GraphQL API implementation ✅ Code Optimization & Performance Tuning: Fast, responsive, and SEO-friendly apps ✅ Ongoing Support & Maintenance: Long-term collaboration and project support I prioritize quality over quantity and ensure my clients receive top-tier solutions tailored to their needs. Let’s build something amazing together! ? Let’s discuss your project! menos
Contratar SergeyKLM
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Versatile Full Stack Developer with 10+ years of experience in Mobile and Web Development. Proven track record of delivering high-quality projects on time and meeting client expectations. Expertise in both front-end and back-end technologies, with a strong focus on mobile app development. Excellent communication...Versatile Full Stack Developer with 10+ years of experience in Mobile and Web Development. Proven track record of delivering high-quality projects on time and meeting client expectations. Expertise in both front-end and back-end technologies, with a strong focus on mobile app development. Excellent communication skills and the ability to learn new programming languages and frameworks quickly. My primary strength lies in my ability to apply my utmost efforts to identify effective solutions that address my clients' challenges. My extensive professional knowledge serves as a vital resource in achieving these goals. I am dedicated to lifelong learning and consistently strive to expand my skills and knowledge to better serve my clients. menos
Contratar YevheniiB9
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I am an experienced Senior Full Stack Developer with a decade of expertise in crafting web applications and AI-driven solutions. Proficient in Java, Python, and contemporary JavaScript frameworks, I excel in delivering high-performing applications that enhance user engagement and streamline load times. My background...I am an experienced Senior Full Stack Developer with a decade of expertise in crafting web applications and AI-driven solutions. Proficient in Java, Python, and contemporary JavaScript frameworks, I excel in delivering high-performing applications that enhance user engagement and streamline load times. My background includes significant achievements in creating responsive user interfaces and RESTful APIs, resulting in notable improvements in system efficiency and user satisfaction. With a strong command of both frontend and backend development, I specialize in technologies such as Angular, Node.js, and machine learning, consistently driving impactful results. menos
Contratar yuriil2
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I want to grow personal and professional relations and experiences in the web design & development world by working and networking with people from all over the world. My main skills are 1. Back-end Development - node.js - Python / Django - PHP / Laravel / Codeigniter - C# - Java 2. Front-end Development - ReactJS -...I want to grow personal and professional relations and experiences in the web design & development world by working and networking with people from all over the world. My main skills are 1. Back-end Development - node.js - Python / Django - PHP / Laravel / Codeigniter - C# - Java 2. Front-end Development - ReactJS - AngularJS - VueJS - Html 3. eCommerce development - WordPress / Woocommerce - Shopify / theme / App - Magento - Opencart 4. Database - Mysql - Mongo DB menos
Contratar katerynah5
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⭐Hello!⭐ I'm a passionate and versatile Full Stack Developer with over 7 years of experience in creating robust web applications and mobile solutions. My expertise spans across various technologies, enabling me to deliver high-quality products that meet the unique needs of my clients. Whether you’re looking for a...⭐Hello!⭐ I'm a passionate and versatile Full Stack Developer with over 7 years of experience in creating robust web applications and mobile solutions. My expertise spans across various technologies, enabling me to deliver high-quality products that meet the unique needs of my clients. Whether you’re looking for a complex backend architecture, a dynamic frontend interface, or a seamless mobile app, I’m here to help bring your vision to life. ✅ Frontend Development: ✔ HTML5: Semantic markup, accessibility standards ✔ CSS3: Responsive design, Flexbox, Grid, animations ✔ JavaScript: ES6+, DOM manipulation, AJAX ✔ Frameworks/Libraries: - React.js: Hooks, Redux, Context API - Vue.js: Vue Router, Vuex, Composition API - jQuery: Library for DOM manipulation - UI/UX Design: Figma, Adobe XD, wireframing, prototyping ✅ Backend Development: ✔ Node.js: Event-driven architecture, middleware ✔ Express.js: RESTful API development, application routing ✔ PHP: Object-oriented programming, error handling ✔ Frameworks: - Laravel: MVC architecture, ORM Eloquent, Blade templating - CodeIgniter: Lightweight framework for PHP, MVC - Ruby on Rails: (if applicable) ✅ Database Management: ✔ SQL Databases: MySQL, PostgreSQL, SQLite ✔ NoSQL Databases: MongoDB, Firebase Firestore ✔ Database Design: Normalization, indexing, optimization ✔ Mobile Development: - Cross-Platform Frameworks: React Native: Mobile app development, navigation, state management Flutter: Dart language, widgets, hot reload - Native Development: Android: Java/Kotlin, Android SDK iOS: Swift, UIKit, Xcode ✅ Content Management Systems (CMS): ✔ WordPress: Theme development, plugin development, WooCommerce integration ✔ Shopify: E-commerce solutions ✅ Version Control: ✔ Git: Version control, branching strategies (Git Flow) ✔ GitHub / GitLab: Repository management, collaboration menos
Contratar danylok3
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Are you looking for an expert in AI automation, web scraping, and Telegram bot development? I can help you build intelligent, AI-powered solutions that save time, boost efficiency, and provide real-world automation. I specialize in: ✔ Multi-Agent AI Systems – Designing AI agents that collaborate to automate...Are you looking for an expert in AI automation, web scraping, and Telegram bot development? I can help you build intelligent, AI-powered solutions that save time, boost efficiency, and provide real-world automation. I specialize in: ✔ Multi-Agent AI Systems – Designing AI agents that collaborate to automate workflows ✔ Web Scraping & Data Extraction – Scraping high-quality, structured data from websites using Python ✔ Generative AI – Implementing AI models (GPT, Llama, DALL·E) for content generation and automation ✔ Telegram Bot Development – Building advanced, AI-powered Telegram bots for automation, notifications, and user interactions ✔ Custom AI & Automation Solutions – Developing AI-driven automation tools tailored to business needs ? I have hands-on experience with: ? AI Tools: OpenAI, Llama, LangChain, GPT-4, Rasa, Dialogflow ? Web Scraping: Scrapy, Selenium, BeautifulSoup, Puppeteer, Playwright ? Telegram Bot Development: Python (Aiogram, Telethon, Pyrogram), Node.js (grammY, Telegraf) ? Backend & API Development: FastAPI, Flask, Node.js, REST APIs, Webhooks Skills & Expertise: ✅ Multi-Agent AI Development ✅ Web Scraping & Data Extraction (Scrapy, Selenium, BeautifulSoup, Puppeteer) ✅ Generative AI (GPT, DALL·E, Midjourney, Stable Diffusion) ✅ Telegram Bot Development (Aiogram, Telethon, Pyrogram, Telegraf, grammY) ✅ Data Automation & AI Workflows ✅ Python, FastAPI, Flask, Node.js, API Integration menos
Contratar roman071
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I am a highly skilled developer with proven expertise in Android app development, automated trading systems, and blockchain solutions. With over 10 years of experience, I have successfully delivered complex, high-performance applications and trading platforms that meet demanding client requirements. In the Android...I am a highly skilled developer with proven expertise in Android app development, automated trading systems, and blockchain solutions. With over 10 years of experience, I have successfully delivered complex, high-performance applications and trading platforms that meet demanding client requirements. In the Android ecosystem, I specialize in building custom launchers, secure enterprise applications, and performance-optimized solutions using Kotlin, Java, and the latest Android frameworks. My work emphasizes scalability, clean architecture (MVVM/MVP), and seamless user experience. In the trading and fintech space, I have designed and implemented fully automated trading bots capable of executing high-frequency trades across platforms like Binance, Coinbase, Kraken, and MetaTrader (MT4/MT5). Leveraging AI and algorithmic strategies, I focus on maximizing profitability while managing risk. On the blockchain front, I bring in-depth knowledge of smart contract development (Solidity, Web3.js), DeFi protocols, and DApp integration. Whether it's creating ERC-20 tokens, integrating wallets, or building decentralized marketplaces, I deliver secure, efficient, and future-proof solutions. I am passionate about merging advanced technologies with real-world applications and pride myself on delivering well-documented, robust, and scalable solutions tailored to business goals. Let’s collaborate to turn your vision into reality. menos
Contratar pavlok0
