Ext JS Developers à embaucher
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Freelances parrainés
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I am a passionate and results-driven Full-Stack Web & Application Developer with over a decade of experience building scalable, high-performance applications across a wide range of industries. I specialize in delivering robust MVPs, Single Page Applications (SPAs), Progressive Web Apps (PWAs), and enterprise-grade...I am a passionate and results-driven Full-Stack Web & Application Developer with over a decade of experience building scalable, high-performance applications across a wide range of industries. I specialize in delivering robust MVPs, Single Page Applications (SPAs), Progressive Web Apps (PWAs), and enterprise-grade platforms using modern development practices. My skill set spans both frontend and backend technologies, with deep expertise in: - Frontend: JavaScript, TypeScript, React, Vue.js, Angular, HTML5, CSS3, Tailwind, Bootstrap - Backend: Node.js, Express, C#/.NET, RESTful APIs, GraphQL, microservices architecture - CMS & Platforms: WordPress, WooCommerce, Shopify (custom theme/plugin development) - Mobile Development: React Native, Flutter (cross-platform mobile apps) - DevOps & Cloud: AWS (EC2, S3, Lambda), Docker, GitHub Actions, CI/CD, Heroku, Vercel - Databases: PostgreSQL, MySQL, MongoDB, Firebase, Supabase - Other Skills: WebSocket, OAuth, JWT, Stripe/PayPal integrations, SEO optimization, performance tuning I’m highly experienced in agile development workflows, effective team collaboration, and delivering clean, maintainable code. Whether working independently or in cross-functional teams, I take pride in translating complex requirements into scalable, user-focused solutions. moins
Embaucher romans018
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AbhishekSingh08 AbhishekSingh08
$60 USD / heure
Full-Stack Developer (7+ years) & Statistician 6+IndiaI am a Full-Stack Developer and Biostatistician with 7+ years of professional experience, offering two specialized services under one profile—advanced software development and high-quality statistical analysis. Clients can engage me for either role independently or both together, depending on project needs. 🔹...I am a Full-Stack Developer and Biostatistician with 7+ years of professional experience, offering two specialized services under one profile—advanced software development and high-quality statistical analysis. Clients can engage me for either role independently or both together, depending on project needs. 🔹 Full-Stack Developer (7+ Years) I design and develop scalable, secure, and high-performance web and mobile applications from concept to deployment. I handle the complete development lifecycle, including UI/UX design, backend architecture, database design, API development, testing, and cloud deployment. I focus on clean, maintainable code, performance optimization, and reliable system architecture—especially for data-driven and research-oriented platforms. Key Skills: Frontend: React, Angular, HTML5, CSS3, Bootstrap, Tailwind Backend: Node.js, Django, Flask, REST APIs, .NET Mobile Apps: React Native, Flutter Databases: PostgreSQL, MySQL, MongoDB, SQL Cloud & DevOps: AWS, Docker, CI/CD Testing, security, and performance optimization 🔹 Biostatistician & Statistician (6+ Years) I am an experienced Biostatistician and Statistician specializing in clinical research, biomedical studies, public health, and epidemiology. I support clients by converting raw data into accurate, reproducible, and publication-ready statistical results. My work is aligned with academic, clinical, and regulatory standards, ensuring results are reliable and clearly interpretable for decision-making, manuscripts, and presentations. Key Expertise: Study design, protocol review, and sample size calculation Clinical trial and biomedical data analysis Regression models, survival analysis, longitudinal data analysis Randomization and statistical modeling Tools: R, SAS, SPSS, Python Manuscript-ready tables, figures, and detailed reports Why Work With Me? Two specialized skill sets in one professional Clear separation of development and statistics work Strong communication and documentation High-quality, deadline-driven delivery moins
Embaucher AbhishekSingh08
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We are a Canadian-Ukrainian team of highly professional IT specialists (software developers, designers, system administrators and Internet marketers) with more than 20 years expertise. OUR MAIN SPECIALIZATIONS: 1) WEB DEVELOPMENT & SOFTWARE DEVELOPMENT 1.1) FRONT-END: HTML, HTML5, CSS3, Bootstrap, TailwindCSS ...We are a Canadian-Ukrainian team of highly professional IT specialists (software developers, designers, system administrators and Internet marketers) with more than 20 years expertise. OUR MAIN SPECIALIZATIONS: 1) WEB DEVELOPMENT & SOFTWARE DEVELOPMENT 1.1) FRONT-END: HTML, HTML5, CSS3, Bootstrap, TailwindCSS 1.2) JAVASCRIPT: JavaScript, ES6+, Typescript, Node.js, MEAN, MERN, MEVN, Angular, React.js, Vue.js, Nuxt.js, Next.js, Gatsby.js, jQuery 1.3) BACK-END 1.3.1) LAMP (Linux, Apache, MySQL, PHP) including Symfony, Laravel, Yii, Zend, CodeIgniter, CakePHP 1.3.2) Python (Python, Django, Flask, FastAPI) 1.3.3) .NET stack technologies (C#, ASP.NET, .NET Core) 1.4) OPEN SOURCE SOLUTIONS 1.4.1) E-commerce Platforms: Shopify, Magento, WooCommerce, Prestashop, OpenCart, BigCommerce, Shopware, osCommerce 1.4.2) CMS: WordPress, Drupal, Joomla, TYPO3 etc. 1.4.3) CRM: SuiteCRM, SugarCRM 2) MOBILE DEVELOPMENT 2.1) Android native development: Java, Kotlin 2.2) iOS native development: Swift, Objective-C 2.3) Cross platform development: Flutter, React Native, Ionic 3) DESIGN 3.1) Website Design (UI (User Interface), UX (User Experience) etc.) 3.2) Graphic Design (Creative Design, Digital Design, Advertisement Design etc.) 3.3) Corporate Identity (Brand Boooks, Business Cards, Logos, LetterHeads etc.) 4) INTERNET MARKETING 4.1) Social Media Marketing (Linkedin, Xing, Facebook, YouTube, Instagram etc.) 4.2) SEO (SEO Copywriting, SEO Auditing, White Hat SEO) 4.3) PPC Marketing (Google Adwords, Google Ads, Facebook Ads, YouTube Ads, Instagram Ads etc.) 4.4) Email Marketing 5) MANAGED SERVICES 5.1) 24/7 TECHNICAL SUPPORT 5.2) SYSTEM ADMINISTRATION SERVICES Our team of high qualified System Administrators have huge experience with technologies covering: - different distributions of OS Linux, Unix and MS Windows Server systems; - different types of virtualization (ProxMox, Virtuozzo, OpenVZ, KVM, XEN, VMware, Hyper-V); - VPN/DNS/IPTables/Firewalls/web servers/mail servers configuration and tuning etc.; - cloud solutions (AWS, MS Azure, Google Cloud, Alibaba Cloud, OVHcloud, DigitalOcean, Linode etc.). 6) HOSTING SERVICES provided by our hosting subdivision under trade mark "TanHost" 6.1) Cloud based solutions (e.g. configuration and technical support of Private Clouds); 6.2) Сollocation services, the providing for rent dedicated and VPS/VDS (virtual servers); 6.3) Shared Hosting; 6.4) Domain names registration services; 6.5) SSL Certificates. 7) EMBEDDED SYSTEMS 7.1) Embedded software development 7.2) Internet of Things (IoT) 7.3) Microcontrollers programming 7.4) Arduino microcontrollers programming OUR CREDO: Reputation – is above anything else! We help our customers to grow success and we grow together with our customers! We are flexible to meet our clients' needs. We make it simple... moins
Embaucher tangramua
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IliasTsironis1 IliasTsironis1
$25 USD / heure
Senior Full-Stack AI Engineer | Node.js & ReactGreeceHi, I’m a Senior AI & Full-Stack Engineer. I build high-quality, scalable, and AI-driven applications using modern full-stack technologies and advanced LLM systems. With a strong Computer Engineering background and extensive hands-on experience across AI, backend, frontend, cloud, and automation, I deliver fast,...Hi, I’m a Senior AI & Full-Stack Engineer. I build high-quality, scalable, and AI-driven applications using modern full-stack technologies and advanced LLM systems. With a strong Computer Engineering background and extensive hands-on experience across AI, backend, frontend, cloud, and automation, I deliver fast, reliable, and production-ready solutions. Core Skillset - AI & LLM Engineering OpenAI GPT models, embeddings, RAG pipelines, vector databases, intelligent agents, automation workflows, custom ML integrations - Full-Stack Development React, Next.js, Vue.js, Node.js, Express, Nest.js - Backend & APIs REST, GraphQL, authentication systems, microservices, 3rd-party API integrations - Databases PostgreSQL, MySQL, MongoDB, Prisma, schema design, SQL optimization - Systems & Scripting Python, Rust, C++, C# - Cloud & DevOps Docker, CI/CD, Linux, server deployments, performance tuning - Blockchain Smart contracts, DApps, Web3 integrations Experience - Delivered end-to-end AI solutions using OpenAI LLMs, embeddings, automation workflows, and custom ML pipelines - Built full-stack web apps and SaaS platforms with secure, scalable, and maintainable architectures - Designed and deployed backend APIs, data systems, and high-performance services - Developed internal tools and platform services in Python, Rust, and C++ - Created reliable blockchain applications, smart contracts, and on-chain integrations moins
Embaucher IliasTsironis1
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emmanuelv0826 emmanuelv0826
$30 USD / heure
Senior AI & Full-Stack Engineer | Mobile (Flutter)ColombiaSenior Full-Stack Developer specializing in AI, Python, PHP, Node.js, Next.js, C#, TypeScript, React.js, Flutter, React Native, and iOS, with strong experience in Ecommerce platforms and custom solutions. I build scalable, production-ready web and mobile applications with clean architecture, high performance, and...Senior Full-Stack Developer specializing in AI, Python, PHP, Node.js, Next.js, C#, TypeScript, React.js, Flutter, React Native, and iOS, with strong experience in Ecommerce platforms and custom solutions. I build scalable, production-ready web and mobile applications with clean architecture, high performance, and measurable business impact. Proven expertise in AI/LLM (OpenAI) integration, intelligent automation, and full lifecycle product development. Core Skill Set AI & LLM Integration (OpenAI) Ecommerce Systems & Payment Integrations Backend APIs & Microservices Full-Stack Architecture Mobile App Development Cloud & Serverless Solutions Database Design & Optimization Third-Party Integrations Performance, Security & Scalability CI/CD & Deployment Agile & Remote Collaboration moins
Embaucher emmanuelv0826
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✨ Welcome to Our Profile!✨ AIS Technolabs is a leading developer of: ❖ Mobile Applications (Native & Hybrid) ❖ Multi-player Games (Unity 3D, Unreal Engine 5) ❖ Responsive Websites (Open Source, HTML, CSS, JavaScript) ❖ Advanced Solutions in IoT, VR, and AR ✅ Since 2010, we've successfully completed 3200+...✨ Welcome to Our Profile!✨ AIS Technolabs is a leading developer of: ❖ Mobile Applications (Native & Hybrid) ❖ Multi-player Games (Unity 3D, Unreal Engine 5) ❖ Responsive Websites (Open Source, HTML, CSS, JavaScript) ❖ Advanced Solutions in IoT, VR, and AR ✅ Since 2010, we've successfully completed 3200+ projects and built an impressive portfolio that continues to grow. Specialties ✨ We excel in a diverse range of technical expertise—from a simple HTML page to robust Enterprise Solutions. ✅ Website Development: - Front-End: HTML, CSS, JavaScript, Angular.js, React.js, jQuery, SASS - Back-End: PHP, C++, Java, Python, Node.js, Express.js, Django, Ruby on Rails, Laravel, Spring ✅ Mobile App Development: - iOS/Android Apps (Java, Swift) - Cross-Platform Apps (React Native, Ionic App) ✅ Game Development: - Unity3D, Unreal Engine 5 ✅ IoT, Virtual Reality (VR), and Augmented Reality (AR): - Cutting-edge solutions tailored for innovative and immersive experiences ✅ Blockchain & Cryptocurrency Solutions: - Custom Cryptocurrency Development - Cryptocurrency Wallets - Exchange Applications ✅ Worked With Blockchain Leaders: - Tron, Binance Chain, and Ether Chains Successful Projects Completed ★ Games: - RPG, FPS, Casino, Slot Machine, Crash Game, Jackpot, Roulette, Poker, Coinflip, NFT, Sports Betting, Ludo, Card Game, Action, Adventure, Arcade, Shooting, Bingo, Dice, Lottery, Cricket, Racing, Soccer ★ Apps: - Flight Booking, Hotel Booking, Social Media, Dating, Taxi, Live Streaming, IPTV, Money Transfer, Food Delivery, Courier, Chat, Auction, Trading, Booking, Fintech, Finance, Productivity, etc. ★ Software: - ERP, CRM, Project Management, HR Management, Fleet Management, Employee Management, Vendor Management, Inventory Management, Task Management, Staff Management ★ Websites: - Dating, Social Media, Real Estate, eCommerce, Construction, Bakery, Informative, Blog, Business, Corporate ✱ Why Choose Us? We aim to build long-term relationships with our clients. Your satisfaction is our mission! We are just a click away to assist you! moins
Embaucher aistechnolabs
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We are a dedicated and tightly knit team of experienced IT professionals, specializing in cutting-edge AI/ML solutions and robust development across Python and Java. We offer end-to-end digital solutions across web development, mobile applications, and digital marketing. Our expertise extends to DevOps practices,...We are a dedicated and tightly knit team of experienced IT professionals, specializing in cutting-edge AI/ML solutions and robust development across Python and Java. We offer end-to-end digital solutions across web development, mobile applications, and digital marketing. Our expertise extends to DevOps practices, ensuring seamless integration, continuous delivery, and efficient deployment of all our projects. With a focus on quality, reliability, and long-term support, we collaborate closely with clients to deliver tailor-made, scalable, and result-oriented solutions. ☑️ Our Service Expertise Includes: - AI/ML Solutions (Predictive Models, Chatbots, Automations) - Blockchain Applications (Smart Contracts, Integrations) - Cloud Migrations & DevOps - SaaS, CRM, ERP Development - Project Research, Requirement Analysis & Documentation - UI/UX Design for Websites & Mobile Apps - Web & Mobile App Development (Front-end and Back-end) - Manual & Functional Testing - Server Setup, Maintenance & Security - Digital Marketing & Branding Solutions ☑️ Technical Portfolio: PHP-based CMS & E-commerce - WordPress, Joomla, Magento, Drupal, PrestaShop, OpenCart, BigCommerce, Typo3, Concrete5, osCommerce ☑️ PHP Frameworks - Laravel, CodeIgniter, Yii, CakePHP, Zend, Symphony, Smarty ☑️ Full-Stack JavaScript (MEAN / MERN / MEVN) - MongoDB, Express.js, Angular / React / Vue.js, Node.js ☑️ ASP.NET Development (Scratch Projects) - ASP.NET MVC 4/5, C# ☑️ Java & Python Development - Custom Enterprise Applications, Backend APIs, Web Applications - Integration with Spring Boot, Django, Flask, FastAPI ☑️ AI, Automation & Data Engineering - Workflow Automation using Python (RPA) - AI-based Tools Integration (OpenAI, LangChain, etc.) - NLP, Chatbot Development, Data Extraction & Processing Pipelines - Task Automation Scripts and Cron-based Services ☑️ Mobile App Development - iOS (Objective-C), Android (Java), Cross-Platform (Ionic, Cordova, PhoneGap) ☑️ Frontend Technologies - HTML5, CSS3, Bootstrap, Foundation, LESS, SCSS - AngularJS, BackboneJS, EmberJS, jQuery, ExtJS, Kendo UI ☑️ Digital Marketing & SEO - On-Page & Technical SEO, Off-Page SEO, PPC Campaigns (Google Ads, Social Media) ☑️ Ready for a Trial Job! -- We're confident in our ability to deliver exceptional value. Feel free to invite us for a trial project on Freelancer and experience our commitment firsthand! moins
Embaucher idefcoinfotech
