.NET Core Developers For Hire
Showing 133 results
Sponsored Freelancers
-
Hire designysoft
Hello! I’m a Senior Software Architect and Full-Stack Developer with 20+ years of experience building scalable, secure, and performance-driven applications. I specialize in combining strong engineering fundamentals with modern AI capabilities to deliver intelligent, future-ready solutions. I build intelligent,...Hello! I’m a Senior Software Architect and Full-Stack Developer with 20+ years of experience building scalable, secure, and performance-driven applications. I specialize in combining strong engineering fundamentals with modern AI capabilities to deliver intelligent, future-ready solutions. I build intelligent, scalable applications by integrating AI into real-world business workflows. My experience includes AI-assisted data validation, automated mapping, and decision-support features that improve data onboarding and operational efficiency. I design reliable backend services and APIs for complex, high-volume systems, including large data migration and transformation pipelines with strict integrity requirements. I develop responsive, production-ready web applications and ensure they perform smoothly under real-time and high-concurrency conditions through scalable architecture and efficient processing patterns. Today, software is not just about functionality. It’s about automation, insights, and smarter decision-making. I help businesses integrate AI tools and cloud technologies into their systems to increase efficiency and unlock new value. Core Expertise Microsoft Ecosystem .NET Core, ASP.NET MVC, C#, VB.NET, Web & Desktop Applications, REST APIs, Microservices Architecture AI & Intelligent Systems AI API integrations (OpenAI and similar platforms) Chatbots and virtual assistants Workflow automation using AI tools Predictive analytics integrations AI-enhanced business applications Frontend & JavaScript React.js, Angular, Vue.js, Blazor, Node.js, TypeScript, jQuery, AJAX Mobile Development Flutter, .NET MAUI, React Native, Ionic, Native Android & iOS Cloud & DevOps Azure, AWS, Google Cloud CI/CD pipelines Docker-based deployments Cloud-native architecture and optimization Databases MS SQL Server, MySQL, PostgreSQL, MongoDB UI/UX & Responsive Design Tailwind, Bootstrap, HTML5, CSS3, Mobile-first design What I Deliver: - -> End-to-end product development, from architecture to production -> AI-powered features integrated into web and mobile applications -> Custom enterprise systems and automation platforms -> Cloud migration and scalable infrastructure design -> Secure, maintainable, and well-structured code -> Clear communication and predictable delivery timelines I work best with clients who value long-term collaboration and technical excellence. If you’re looking to modernize your application, integrate AI capabilities, or build a robust system from scratch, I’d be glad to discuss your goals. Let’s connect and explore how we can build something impactful. less -
Hire codefusion53
I’m Justin, a results-driven AI and Web Developer with a strong background in building intelligent, scalable, and user-focused applications. I specialize in: - AI & Machine Learning – custom models, chatbots, NLP, data automation, and predictive analytics - Web Development – full-stack applications, SaaS platforms,...I’m Justin, a results-driven AI and Web Developer with a strong background in building intelligent, scalable, and user-focused applications. I specialize in: - AI & Machine Learning – custom models, chatbots, NLP, data automation, and predictive analytics - Web Development – full-stack applications, SaaS platforms, e-commerce, and API integrations - Automation – streamlining workflows with AI, APIs, and custom scripts to save time and cut costs My approach is simple: I listen carefully, design smart solutions, and deliver high-quality results on time. Whether you need an AI-powered tool, a modern web platform, or a long-term development partner, I can bring your vision to life. Let’s collaborate to turn your ideas into reliable, high-performing solutions. less -
Hire abela399
As a senior Full Stack developer, I specialize in building production-ready web, mobile, and AI-powered systems. I work independently and handle all development myself, from system design to delivery, ensuring consistency, quality, and accountability. My focus is on creating reliable backends, clean and maintainable...As a senior Full Stack developer, I specialize in building production-ready web, mobile, and AI-powered systems. I work independently and handle all development myself, from system design to delivery, ensuring consistency, quality, and accountability. My focus is on creating reliable backends, clean and maintainable frontends, scalable e-commerce platforms, and practical AI solutions that directly support business operations and growth. Core Expertise: - Full-Stack Web Development • Frontend: JavaScript, TypeScript, React, Next.js, Vue.js, Nuxt.js, Tailwind CSS, HTML, CSS 3 • Backend: Node.js, NestJS, PHP (Laravel), Python (FastAPI, Django), REST APIs, GraphQL • Databases: PostgreSQL, MySQL, MongoDB, SQLite • Cloud & DevOps: AWS, Google Cloud, Azure, CI/CD, Docker - AI & Automation Solutions • AI-powered assistants, chatbots, and automation systems using OpenAI APIs and modern LLMs • Design and implementation of RAG (Retrieval-Augmented Generation) pipelines for knowledge-based AI systems • Integration of LLMs with databases, vector stores, APIs, and existing business platforms • Intelligent data processing, document understanding, and decision-support tools - E-commerce & Shopify • Shopify theme customization and custom app development • Shopify Admin API, Storefront API, webhooks, and third-party integrations • Custom checkout flows, subscriptions, payments, and fulfillment logic • Experience with Magento, WooCommerce, BigCommerce, and Prestashop • Performance optimization, scalability, and long-term maintainability - Mobile Development • Android development (Java, Kotlin) • iOS development (Swift, Objective-C) • Cross-platform mobile apps using React Native and Flutter • Mobile apps backed by scalable APIs and cloud infrastructure - Data Engineering & Automation • Web scraping and crawling (Python, Selenium, Scrapy, BeautifulSoup) • API integrations, background jobs, and automation services Working Approach: I am comfortable joining existing codebases, improving architecture, resolving technical debt, and stabilizing systems for production. I prioritize clear communication, clean code, and solutions that are easy to maintain and scale over time. My goal is to deliver systems that are reliable, secure, and aligned with real business needs. less -
Hire richardb063
Full Stack Developer with strong experience building scalable web and mobile applications, backend systems, APIs, and AI-powered solutions. Skilled in modern frontend and backend technologies including React, Next.js, Node.js, Python, PHP, Java, Spring Boot, Flutter, and cloud platforms like AWS and Azure. Experienced...Full Stack Developer with strong experience building scalable web and mobile applications, backend systems, APIs, and AI-powered solutions. Skilled in modern frontend and backend technologies including React, Next.js, Node.js, Python, PHP, Java, Spring Boot, Flutter, and cloud platforms like AWS and Azure. Experienced in developing SaaS platforms, CRM systems, AI agents, WhatsApp automation, payment integrations, and real-time applications. less -
Hire jordanrafael7
jordanrafael7 jordanrafael7
$35 USD / hour
Full-Stack Developer | Apps, APIs, AI & AutomationMexicoI help startups, SaaS companies, and enterprises build **modern web applications, cross-platform mobile apps, cloud-native systems, and AI-powered solutions** that are scalable, secure, and production-ready. From UI/UX and backend architecture to cloud deployment and AI integration, I deliver complete end-to-end...I help startups, SaaS companies, and enterprises build **modern web applications, cross-platform mobile apps, cloud-native systems, and AI-powered solutions** that are scalable, secure, and production-ready. From UI/UX and backend architecture to cloud deployment and AI integration, I deliver complete end-to-end software solutions. ## 🚀 Services 🌐 Modern Web Applications (React, Next.js, Vue, Angular, ASP.NET Core) 📱 Cross-Platform Mobile Apps (React Native, Flutter, .NET MAUI) ⚙️ Backend APIs, Microservices & Enterprise Systems 🤖 AI Chatbots, AI Agents & Workflow Automation 🧠 OpenAI, Claude, LangChain, LangGraph & RAG Applications 🎨 AI Image & Video Generation (Stable Diffusion, ComfyUI, Runway, Pika) 🔗 Third-Party API Integrations (Stripe, PayPal, Square, Twilio, Firebase, Supabase, ElevenLabs) ☁️ Cloud Deployment on Azure, AWS, Google Cloud, Vercel & Netlify ⚡ Performance Optimization, Legacy Modernization & Clean Architecture ## 💻 Technical Skills ### 🎨 Frontend React • Next.js • Vue • Angular • Svelte • TypeScript • JavaScript • HTML5 • CSS3 • Tailwind CSS • Bootstrap • Material UI • shadcn/ui ### ⚙️ Backend C# • .NET Core • ASP.NET Core • Web API • Node.js • Express • NestJS • Python • Django • FastAPI • Flask • PHP • Laravel • Java Spring Boot • Go ### 📱 Mobile React Native • Flutter • .NET MAUI • Kotlin • Swift • SwiftUI • Ionic • Capacitor ### 🗄️ Databases SQL Server • PostgreSQL • MySQL • MongoDB • SQLite • Redis • Firebase • Supabase • Prisma ORM ### ☁️ Cloud & DevOps Azure • AWS • Google Cloud • Docker • Kubernetes • GitHub Actions • GitLab CI/CD • Jenkins • Terraform • Linux • Nginx ### 🤖 AI & Automation OpenAI GPT • Claude AI • LangChain • LangGraph • RAG • AI Agents • MCP • Stable Diffusion • ComfyUI • Pinecone • Weaviate • ChromaDB ### 🔌 APIs & Integrations REST • GraphQL • WebSockets • gRPC • OAuth • JWT • Stripe • PayPal • Square • Twilio • Firebase • Supabase • OpenAI API • Claude API • ElevenLabs ### 🛠️ Tools Git • GitHub • GitLab • Bitbucket • Postman • Jest • Playwright • Cypress • WordPress • Shopify • WooCommerce ## ⭐ Why Choose Me? ✅ Senior Full-Stack Engineer ✅ Web, Mobile & AI Expertise ✅ Clean, Scalable & Maintainable Code ✅ Cloud-Native & Enterprise Architecture ✅ Fast Communication & Reliable Delivery ✅ Long-Term Technical Partner 📩 Whether you need a SaaS platform, AI application, enterprise software, cloud infrastructure, or a mobile app, I'm ready to turn your ideas into high-quality, scalable software. less -
Hire RavenDetector
RavenDetector RavenDetector
$60 USD / hour
Preferred Full-Stack Web & Mobile DeveloperUnited StatesI am a Preferred Freelancer and full-stack developer focused on building, fixing, and improving reliable web applications, e-commerce platforms, APIs, admin dashboards, and automation systems. I work with PHP, Laravel, WordPress, Shopify, JavaScript, TypeScript, React, Next.js, Node.js, Python, Django, PostgreSQL,...I am a Preferred Freelancer and full-stack developer focused on building, fixing, and improving reliable web applications, e-commerce platforms, APIs, admin dashboards, and automation systems. I work with PHP, Laravel, WordPress, Shopify, JavaScript, TypeScript, React, Next.js, Node.js, Python, Django, PostgreSQL, MongoDB, API integrations, web scraping, and data-driven systems. I can help with custom websites, business platforms, payment integrations, backend development, frontend improvements, bug fixing, performance optimization, and ongoing technical support. My strength is understanding the real business problem behind a project and turning it into a stable, practical solution. I can work on new builds, existing systems, urgent fixes, integrations, and long-term improvements with clean implementation and clear communication. As a Preferred Freelancer, I take project quality, reliability, and client communication seriously. My goal is to deliver work that is easy to use, easy to maintain, and aligned with the client’s business needs. less -
Hire toxicpuru
Senior Full Stack Developer with 12+ years of experience building, deploying and maintaining business-critical web applications and infrastructure. I specialize in PHP, Laravel, WordPress, WooCommerce, C#, ASP.NET Core, React.js, JavaScript, MySQL and SQL Server, with strong hands-on experience in Linux server...Senior Full Stack Developer with 12+ years of experience building, deploying and maintaining business-critical web applications and infrastructure. I specialize in PHP, Laravel, WordPress, WooCommerce, C#, ASP.NET Core, React.js, JavaScript, MySQL and SQL Server, with strong hands-on experience in Linux server administration. What I can help with: • Full-stack websites and web applications • Laravel / PHP development and API integrations • WordPress / WooCommerce development, fixes and migrations • React.js / JavaScript frontend development • Linux, Apache, Nginx, PHP-FPM and MySQL • AWS / Azure / VPS deployment and server management • DNS, Cloudflare, SSL and website security • Email infrastructure, Postfix, MailWizz and deliverability • Legacy application maintenance and modernization I focus on clean implementation, security, performance and long-term maintainability, and can take ownership from development through deployment and ongoing support. less -
Hire logicpowered
✔️ 14+ Years of Professional Experience ✔️ 250 projects Delivered ✔️ Web, Mobile Apps and DevOps Expert ✔️ Affordable rate with Expertise ✔️ Serving Clients form North America, Europe, Oceania, Middle East We provide end-to-end services, including UI/UX design, software development, DevOps, maintenance, and ongoing...✔️ 14+ Years of Professional Experience ✔️ 250 projects Delivered ✔️ Web, Mobile Apps and DevOps Expert ✔️ Affordable rate with Expertise ✔️ Serving Clients form North America, Europe, Oceania, Middle East We provide end-to-end services, including UI/UX design, software development, DevOps, maintenance, and ongoing support. Services: ❇️ Mobile App Development ✔️ Flutter App Development ✔️ React Native App Development ✔️ Android App Development ✔️ iOS App Development ✔️ Cross-Platform Mobile Applications ✔️ Firebase Integration ✔️ Push Notifications (FCM & OneSignal) ✔️ Google Maps & GPS Tracking ✔️ Real-Time Chat & Messaging ✔️ Payment Gateway Integration (Stripe, Razorpay, PayPal) ✔️ Offline Data Synchronization ✔️ App Store & Google Play Deployment ✔️ Game Apps Development ✔️ Streaming Apps development ✔️ Dating apps Development ✔️ Other Mobile Apps Development ❇️ Web App Development Technologies ✔️ Node.js ✔️ React ✔️ Express.js ✔️ Laravel ✔️ PHP ✔️ HTML5 ✔️ CSS3 ✔️ JavaScript ✔️ TypeScript ✔️ Bootstrap ✔️ Tailwind CSS ✔️ REST API Development ✔️ GraphQL APIs ✔️ Authentication (JWT, OAuth, Firebase) ✔️ MySQL ✔️ PostgreSQL ✔️ MongoDB ✔️ AWS & Cloud Deployment ❇️Types of Web app we have Build ✔️ Full Stack Development ✔️ Front End Development ✔️ Back End Development ✔️ Custom Web app development ✔️ Marketplace development ✔️ Custom Dashboard Development ✔️ Saas Development ✔️ Desktop App Development ✔️ ERP Development ✔️ CRM Development ✔️ Responsive Website Development ❇️ AI Development & Automation ✔️ AI Chatbots ✔️ OpenAI GPT Integration ✔️ Gemini AI Integration ✔️ Claude AI Integration ✔️ AI Voice Assistants ✔️ AI Agents ❇️ CMS & E-commerce Development ✔️ WordPress Development ✔️ Shopify Development ✔️ Magento Development ✔️ Custom E-commerce Solutions ❇️ UI/UX Design ✔️ Figma ✔️ Mobile App UI/UX ✔️ Responsive Web Design 🚀 Core DevOps- - DevOps & Cloud Infrastructure - Full DevOps setups on AWS using Terraform - High-availability AWS environments managed through Terraform - Cost-optimized AWS architectures built with Solution Architect best practices - Secure AWS networking and access policies via Terraform - Production setups on GCP and Azure when required ☸️ Kubernetes Platforms 🔧 Terraform Automation 🔄 DevOps CI/CD 📊 Monitoring, Security, and Databases Text me for free consultation! less -
Hire AhteshamAK
Looking for a reliable web developer in Saudi Arabia? I'm a Saudi-based full-stack web and mobile app developer with 8+ years of experience and 300+ projects delivered for clients in Riyadh, Jeddah, Dammam, and across the GCC. I specialize in website development, e-commerce development, custom web applications,...Looking for a reliable web developer in Saudi Arabia? I'm a Saudi-based full-stack web and mobile app developer with 8+ years of experience and 300+ projects delivered for clients in Riyadh, Jeddah, Dammam, and across the GCC. I specialize in website development, e-commerce development, custom web applications, WordPress, Shopify, Laravel, and mobile app development (iOS, Android & cross-platform) — building fast, mobile-responsive, SEO-friendly solutions that rank and convert. Working in your time zone (GMT+3) means faster communication and same-day turnaround. 🇸🇦 Saudi & GCC E-Commerce Specialist ✔ Arabic / RTL website design (fully bilingual) ✔ ZATCA-compliant e-invoicing (Fatoora) integration ✔ Mada, STC Pay, HyperPay, Moyasar, Tabby & Tamara (BNPL) payment gateway integration ✔ Vision 2030 digital transformation solutions 💼 Web Development Services Custom Website Design & Development · E-Commerce Website Development · Multivendor Marketplace · WordPress Development · Shopify Store Setup · Landing Page Design · .NET Core / ASP.NET / MVC Web Apps · CRM & ERP Systems · Booking Systems · Business Management Software 📱 Mobile App Development Native iOS & Android, Flutter, React Native, Xamarin — cross-platform apps built with React, Node.js, Angular, TypeScript, PHP, Laravel & MongoDB. 💻 Tech Stack React · Laravel · PHP · MySQL · C# · C++ · JavaScript · ASP.NET · ASP.NET Core · MVC · Node.js · Angular · HTML/CSS · Flutter · React Native · AWS Cloud ✅ Why Hire Me 100% client satisfaction & recommendations Milestone-based — pay only when you're happy Pixel-perfect, SEO-optimized, mobile-responsive design Free post-delivery support & documentation Serving Saudi Arabia and the GCC — and open to quality projects worldwide. Message me your project details today! less -
Hire Mario551
I am a systems engineer with an emphasis in software development and project management. Fullstack software developer in .NET technologies. Do you want to develop a back-end service in .net and manage privileges? Or do you want to build a back-end service alongside a Blazor page, desktop interface, or mobile app on...I am a systems engineer with an emphasis in software development and project management. Fullstack software developer in .NET technologies. Do you want to develop a back-end service in .net and manage privileges? Or do you want to build a back-end service alongside a Blazor page, desktop interface, or mobile app on MAUI? Do you want to query the database and manage millions of records? Do you want to create a relational schema in Sql Server or PostgreSQL? Then it will be a pleasure to offer you my services as a developer and reach the prompt solution in the stipulated time. Main skills - C# Developer and VB Developer. - .NET and .NET Framework. - ASP.NET. - Blazor. - Mobile development in .NET MAUI. - Typescript Developer. - Angular. - TDD and documentation. - Relational database Sql Server and PostgreSQL. - Linux operating systems. Secondary skills - Development in Python. - Development in Golang. - Development in C. less
