.NET Developers For Hire
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Hire pankajgarg86
Top 1% Preferred Freelancer (Based on Platform Ranking) I am a Professional Full-Stack Developer with over 10+ years of experience delivering scalable, high-performance web and application solutions. I focus on clean architecture, performance optimization, and long-term maintainability. My goal is not just to...Top 1% Preferred Freelancer (Based on Platform Ranking) I am a Professional Full-Stack Developer with over 10+ years of experience delivering scalable, high-performance web and application solutions. I focus on clean architecture, performance optimization, and long-term maintainability. My goal is not just to complete a project, but to build solutions that exceed expectations and support business growth. 💻 Technical Skills Frontend & JavaScript: React.js | Next.js | TypeScript | JavaScript | Angular | Vue.js | jQuery | Node.js | Express.js | Kendo UI | Telerik | DevExpress | HTML5 | CSS3 | Bootstrap Backend & .NET: C# | ASP.NET Core | ASP.NET MVC | .NET 6/7/8 | Web API | REST API | Entity Framework | Dapper | ADO.NET | LINQ Database: SQL Server | MySQL | PostgreSQL | Database Design | Stored Procedures | Query Optimization PHP & Frameworks: PHP | Laravel | WordPress DevOps & Deployment: Azure | AWS | Linux | Nginx | Docker | Git | GitHub | CI/CD | Plesk | PM2 💡 What Makes Me Different • 10+ years experience in production systems • Top 1% on Freelancer • 100% On-Time & On-Budget • Clean, documented, maintainable code • Strong ownership mindset I don’t just complete tasks — I solve root problems. If you need stability, performance, and reliability, let’s discuss your project. less -
Hire omairusaf
AI & Full-Stack SaaS Development | Laravel, React, Node.js We build AI-powered business software, SaaS platforms, dashboards, APIs, integrations and workflow automation for businesses that need reliable production software, not just a basic website. OUR CORE EXPERTISE • AI integrations, AI assistants, RAG, AI...AI & Full-Stack SaaS Development | Laravel, React, Node.js We build AI-powered business software, SaaS platforms, dashboards, APIs, integrations and workflow automation for businesses that need reliable production software, not just a basic website. OUR CORE EXPERTISE • AI integrations, AI assistants, RAG, AI agents and business workflow automation • Laravel / PHP backend development • React / Angular / Node.js web applications • SaaS platforms and multi-role business systems • ERP, CRM, accounting and operational software • REST API development and third-party integrations • Payment, messaging and external-system integrations • React Native mobile applications • AWS, Linux and production deployment • Existing-codebase development, modernization, debugging and performance improvements WHY CODEGENIO • 12+ years on Freelancer • 141+ five-star client reviews • Preferred Freelancer • Verified by Freelancer • 100% on-time • 100% on-budget • 136+ client recommendations We specialize in complex projects where business logic, integrations, multiple user roles and long term maintainability matter. Our experience includes property and community management platforms, eLearning systems, accounting and business software, SaaS applications, mobile applications, cloud systems, API integrations and custom enterprise applications. We can work with an existing application and extend it safely, or take a new product from architecture through development, QA and deployment. Our approach is simple: understand the business requirement first, propose a practical architecture, deliver in clear milestones and communicate throughout the project. Available for new SaaS builds, AI integrations, API development, business automation, existing application development, feature development and long-term engineering support. less -
Hire Herculesz
Principal / Head AI & Full-Stack Engineer with 25+ years of experience architecting, building, and scaling complex software systems across web, mobile, cloud, CMS/eCommerce, and AI-driven platforms. I specialize in delivering production-ready applications from concept to launch, including SaaS platforms, marketplaces,...Principal / Head AI & Full-Stack Engineer with 25+ years of experience architecting, building, and scaling complex software systems across web, mobile, cloud, CMS/eCommerce, and AI-driven platforms. I specialize in delivering production-ready applications from concept to launch, including SaaS platforms, marketplaces, admin dashboards, mobile applications, automation systems, APIs, CMS websites, eCommerce stores, and intelligent AI-powered workflows. I bring a strong combination of full-stack engineering, cloud architecture, DevOps, CMS/eCommerce development, and AI/LLM expertise, with a proven ability to transform complex business requirements into scalable, secure, and user-focused digital products. My experience covers frontend architecture, backend engineering, database design, third-party integrations, real-time systems, performance optimization, CI/CD, observability, and production deployment. Technical Expertise: Frontend: React, Next.js, Vue.js, TypeScript, JavaScript, Tailwind CSS, Material UI, responsive UI/UX implementation Backend: Node.js, NestJS, Express.js, Laravel, PHP, Python, REST APIs, GraphQL, microservices, server-side architecture Mobile: Flutter, React Native, Expo, iOS, Android, cross-platform mobile app development CMS & eCommerce: WordPress, WooCommerce, Shopify, Wix, Webflow, custom theme development, plugin/app integrations, payment setup, product catalogs, checkout flows, landing pages, blog systems, and SEO-friendly website architecture Databases: PostgreSQL, MySQL, MongoDB, Firebase Firestore, Supabase, Redis, database design, optimization, migrations, and data modeling Cloud & DevOps: AWS, Google Cloud, Azure, DigitalOcean, Docker, Kubernetes, Nginx, CI/CD, GitHub Actions, server deployment, monitoring, logging, and observability AI & LLMs: OpenAI API, LangChain, RAG pipelines, AI copilots, conversational agents, semantic search, embeddings, prompt engineering, fine-tuning, Pinecone, pgvector, vector databases, and agentic workflows Payments & Integrations: Stripe, PayPal, Twilio, SendGrid, Firebase, Google APIs, third-party APIs, webhooks, CRM integrations, automation platforms, and API-based business workflows I have a strong track record of designing and delivering scalable SaaS platforms, marketplace systems, mobile apps, admin dashboards, CMS websites, eCommerce stores, automation tools, and AI-driven products that support real business operations. My work combines clean frontend experiences, secure backend systems, optimized databases, cloud-ready infrastructure, flexible CMS solutions, and practical AI innovation. As a hands-on technical leader, I am experienced in mentoring engineers, leading cross-functional teams, making architecture decisions, and aligning technical execution with business goals. I am passionate about building high-quality software that is scalable, maintainable, and ready for real-world users. less -
Hire ambar
⭐ 450+ Five-Star Reviews | $800,000+ Delivered on Freelancer With 20+ years of experience, I build modern web applications, AI-powered solutions, SaaS platforms, enterprise systems, APIs, and cloud-native applications. Whether you need a new product, website redesign, AI integration, automation, bug fixing, or...⭐ 450+ Five-Star Reviews | $800,000+ Delivered on Freelancer With 20+ years of experience, I build modern web applications, AI-powered solutions, SaaS platforms, enterprise systems, APIs, and cloud-native applications. Whether you need a new product, website redesign, AI integration, automation, bug fixing, or modernization of an existing system, I deliver production-ready solutions with clean architecture, fast communication, and reliable execution. My expertise includes: ➤ Frontend: React.js, Next.js, Angular, TypeScript, JavaScript, HTML5, CSS3, Bootstrap ➤ Backend: Node.js, Python (Django, FastAPI), ASP.NET Core/MVC, PHP (Laravel) ➤ Databases: PostgreSQL, Supabase, MySQL, SQL Server, MongoDB, Firebase ➤ Cloud & DevOps: AWS, Azure, Docker, CI/CD, Nginx, Apache, Cloudflare ➤ AI & Automation: OpenAI APIs, AI Integrations, Webhooks, APIs, Selenium, Playwright, Workflow Automation ➤ Mobile: Android (Java/Kotlin), iOS (Swift/Objective-C) I also specialize in scalable SaaS architecture, secure deployments, server optimization, multi-domain infrastructure, enterprise integrations, and high-performance backend systems. Strong experience integrating Stripe, Twilio, Zoho, HubSpot, Monday.com, QuickBooks, Google Workspace, CRMs, payment gateways, and third-party APIs. My clients value clear communication, accountability, and practical problem-solving. I focus on writing clean, maintainable code, delivering on time, and ensuring projects are easy to extend long after launch. In addition to development, I also help businesses perform architecture reviews, technical due diligence, code audits, and legacy system modernization when required. less -
Hire appmechanic
appmechanic appmechanic
$25 USD / hour
Top Rated | Experts in AI, Web/Mobile, Games & SEOUnited Arab Emirates𝐖𝐄𝐁 • 𝐌𝐎𝐁𝐈𝐋𝐄 • 𝐆𝐀𝐌𝐄 • 𝐀𝐑/𝐕𝐑 • 𝐀𝐈 𝐅𝐈𝐑𝐒𝐓 𝐂𝐎𝐌𝐏𝐀𝐍𝐘 Welcome to App Mechanic! At App Mechanic, we are a Web, Mobile, Game, AR/VR, and AI-first development company, delivering scalable, high-performance, and future-ready digital solutions. We combine innovation, design, and engineering to turn ideas into impactful...𝐖𝐄𝐁 • 𝐌𝐎𝐁𝐈𝐋𝐄 • 𝐆𝐀𝐌𝐄 • 𝐀𝐑/𝐕𝐑 • 𝐀𝐈 𝐅𝐈𝐑𝐒𝐓 𝐂𝐎𝐌𝐏𝐀𝐍𝐘 Welcome to App Mechanic! At App Mechanic, we are a Web, Mobile, Game, AR/VR, and AI-first development company, delivering scalable, high-performance, and future-ready digital solutions. We combine innovation, design, and engineering to turn ideas into impactful products. 🔹 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐚𝐭𝐢𝐨𝐧𝐬: ➜ Website and Mobile App Development ➜ Game Development ➜ Augmented Reality (AR) & Virtual Reality (VR) ➜ Artificial Intelligence (AI) ➜ SaaS, ERP & CRM Development ➜ AI Automation & Workflows (n8n, Zapier) ➜ Rapid MVP Development (FlutterFlow, Bubble io, Lovable, Base44) ➜ Blockchain & Smart Contracts ➜ Search Engine Optimization (SEO) & Digital Marketing 🔹 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝐖𝐞’𝐯𝐞 𝐒𝐞𝐫𝐯𝐞𝐝: ➜ Manufacturing, Education, E-commerce, FMCG, Retail ➜ Healthcare, Real Estate, Travel, Logistics & Supply Chain 🔹 𝐆𝐫𝐚𝐩𝐡𝐢𝐜 𝐃𝐞𝐬𝐢𝐠𝐧𝐢𝐧𝐠 & 𝐔𝐈/𝐔𝐗: ➜ Brand Identity (Logos, Flyers, Brochures, Business Cards) – Photoshop / Illustrator ➜ Wireframes, Mockups & Clickable Prototypes (Figma / Adobe XD) ➜ Conversion-focused UI/UX Design 🔹 𝐖𝐞𝐛 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬: ➜ Frontend: ReactJS, VueJS, NextJS, Angular, TypeScript, Tailwind CSS, Bootstrap ➜ Backend: NodeJS, Python, PHP (Laravel), .NET (ASP.NET, C#), FastAPI, Django ➜ APIs: RESTful, GraphQL, SOAP, Third-party Integrations ➜ Databases: MySQL, MSSQL, MongoDB, PostgreSQL, Redis ➜ Vector DBs: Pinecone, FAISS, Weaviate, Chroma, pgvector ➜ Version Control & Tools: Git, GitHub, GitLab, Jira, Trello, Slack 🔹 𝐂𝐌𝐒 & 𝐞𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞: ➜ Django & MERN-based Custom CMS ➜ WordPress (Elementor, WooCommerce), Shopify (Custom Themes) ➜ Headless CMS: Strapi, Sanity 🔹 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: ➜ Flutter, FlutterFlow & React Native (Cross-platform) ➜ Native iOS & Android Apps ➜ .NET MAUI (Cross-platform Apps) 🔹 𝐆𝐚𝐦𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: ➜ Unity 3D (C#), Unreal Engine ➜ 2D/3D Games, Simulations, AR/VR 🔹 𝐀𝐈 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧: ➜ OpenAI, ChatGPT, Claude, Gemini Integrations ➜ AI Chatbots, Conversational AI, NLP, AI Agents ➜ LangChain, RAG Pipelines, Vector Databases ➜ n8n & Zapier Automation Workflows ➜ OCR & Computer Vision 🔹 𝐂𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬: ➜ AWS, GCP, Microsoft Azure ➜ Docker, Kubernetes, CI/CD Pipelines ➜ Nginx, Apache, IIS, Linux Servers ➜ Infrastructure as Code (Terraform) ✨ At App Mechanic, we build 𝐀𝐈-𝐟𝐢𝐫𝐬𝐭, 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞, 𝐚𝐧𝐝 𝐡𝐢𝐠𝐡-𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐝𝐢𝐠𝐢𝐭𝐚𝐥 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐬 across 𝐖𝐞𝐛, 𝐌𝐨𝐛𝐢𝐥𝐞, 𝐆𝐚𝐦𝐞𝐬, 𝐚𝐧𝐝 𝐗𝐑 while also enabling 𝐫𝐚𝐩𝐢𝐝 𝐌𝐕𝐏 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 using modern 𝐧𝐨-𝐜𝐨𝐝𝐞/𝐥𝐨𝐰-𝐜𝐨𝐝𝐞 𝐭𝐨𝐨𝐥𝐬 and helping businesses grow through 𝐒𝐄𝐎 𝐚𝐧𝐝 𝐝𝐢𝐠𝐢𝐭𝐚𝐥 𝐦𝐚𝐫𝐤𝐞𝐭𝐢𝐧𝐠. less -
Hire miguelml87
I help startups and businesses build scalable, secure, and high-performance applications. With over a decade of software engineering experience, I've worked on everything from MVPs for startups to large-scale enterprise systems handling millions of users and transactions. I believe in writing clean, maintainable code...I help startups and businesses build scalable, secure, and high-performance applications. With over a decade of software engineering experience, I've worked on everything from MVPs for startups to large-scale enterprise systems handling millions of users and transactions. I believe in writing clean, maintainable code while keeping business goals at the center of every decision. My goal is simple: deliver software that works, scales, and creates value for your business. less -
Hire johnnier3
Hi, I'm Johnnie Reece, a Preferred Freelancer and senior full-stack engineer. For 10+ years I've shipped web, mobile, and emerging tech for startups and Fortune 500 companies, on time and without surprises. What I build: - Pixel-perfect web and mobile apps (React, Next.js, React Native, Flutter) scoring 98-100 on...Hi, I'm Johnnie Reece, a Preferred Freelancer and senior full-stack engineer. For 10+ years I've shipped web, mobile, and emerging tech for startups and Fortune 500 companies, on time and without surprises. What I build: - Pixel-perfect web and mobile apps (React, Next.js, React Native, Flutter) scoring 98-100 on Lighthouse - Secure, scalable backends in Node.js/NestJS, Java/Spring Boot, .NET, and Python - High-performance Shopify and WordPress stores, custom apps, and headless setups - Blockchain dApps, smart contracts, and Web3 integrations - Automation bots, scrapers, and AI workflows - AWS infrastructure with 99.99%+ uptime and auto-scaling How I work: Daily updates, live demos, direct access (no middlemen). I act as your technical partner, flagging risks early and writing clean, documented code built to last. Clients come back because I ship faster, cleaner, and more reliably. Ready to start? Message me. I reply fast and can begin immediately. less -
Hire HamparProd
I'm Gregory, Founder & Lead Developer at Hampar Productions and a Google Cloud Partner, with 15+ years of experience building production web platforms, mobile applications, AI systems, SaaS products, and custom business software. I work across the full development lifecycle, from architecture and backend APIs to...I'm Gregory, Founder & Lead Developer at Hampar Productions and a Google Cloud Partner, with 15+ years of experience building production web platforms, mobile applications, AI systems, SaaS products, and custom business software. I work across the full development lifecycle, from architecture and backend APIs to frontend UX, cloud deployment, integrations, and production support. My focus is not simply writing code, but delivering reliable systems that solve real business problems and remain maintainable as they grow. Core expertise: • Full-Stack Web & SaaS Development • AI, LLM & Business Automation • Google Cloud, Firebase & Cloud Architecture • APIs, Backend Systems & Third-Party Integrations • Mobile App Development • E-Commerce & Custom Business Platforms • Database, Performance & Application Modernization As a Google Cloud Partner, I can bring additional credibility and expertise to projects involving Google Cloud, Firebase, Gemini, AI workloads, cloud migration, application modernization, data systems, and scalable backend infrastructure. I value clear communication, practical technical decisions, reliable delivery, and measurable business results. I have maintained a strong record of successful delivery, including 5-star client feedback and on-time project completion. Whether you need an MVP, an existing system completed or repaired, a production SaaS platform, an AI integration, or a cloud-based application, I can take ownership from planning through deployment. Let's build something exceptional together. less -
Hire kaitom6
Hello, welcome to my profile. I'm a developer with seven years of hands-on experience, specializing in solving real business problems through code. My strength is in bridging the gap between a client's vision and a functional solution—taking ownership from concept to delivery. My approach has been refined through...Hello, welcome to my profile. I'm a developer with seven years of hands-on experience, specializing in solving real business problems through code. My strength is in bridging the gap between a client's vision and a functional solution—taking ownership from concept to delivery. My approach has been refined through numerous projects on Japanese freelance platforms like Crowdworks and Lancers. Now, I'm eager to apply this experience on a global stage—to take on more diverse challenges, collaborate with international clients, and grow as a developer in a broader context. I'm ready to bring this focused, solution-oriented mindset to your project. Let's discuss how we can turn your idea into reality. Thank you for your time and consideration. less -
Hire ashkanvb
Hi, I am a Software Engineer with a strong mathematical background and over 16 years of experience with C#. I hold a BSc in Software Engineering and an MSc in Cyber Security, and I'm the inventor of a patented novel authentication protocol, so security is something I build in from the ground up rather than bolt on...Hi, I am a Software Engineer with a strong mathematical background and over 16 years of experience with C#. I hold a BSc in Software Engineering and an MSc in Cyber Security, and I'm the inventor of a patented novel authentication protocol, so security is something I build in from the ground up rather than bolt on afterward. I'm skilled in Front-End Development (HTML, JavaScript, jQuery, CSS, and more) as well as Back-End Development, which is where I truly excel and where my heart has always been. I'm great with complex algorithms, and I'm one of Turkey's Top 10 Developers on Stack Overflow, as well as one of the few holders of the C# gold badge: https://stackoverflow.com/users/1079221/ashkan-mobayen-khiabani I currently develop websites with ASP.NET Core MVC, along with desktop and mobile applications. Thanks, Ashkan less
