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I have a great passion for solving problems and can help people with various programming languages, databases, information systems, software related projects.
I am an experienced software engineer, excellent in Web, Mobile and Desktop Application Development using technologies like React, React Native, .NET Framework, NodeJS, Electron, Angular, Ionic Framework, NestJS, NextJS, PHP, PostgreSQL, MS SQL, MongoDB, Firebase and others. I have experience working with Figma Designs, Adobe XD, Adobe PhotoShop and Adobe Illustrator. I can create and deploy web, mobile (IOS and Android) and desktop applications seamlessly.
I'm a **Senior .NET & AI Architect with 21+ years** of experience helping developers, startups, and engineering teams solve difficult technical problems. Whether you're a beginner using AI to build software ("vibe coding") or an experienced developer building enterprise applications, I can help you move faster using modern AI tools like **Claude, Cursor, ChatGPT, GitHub Copilot, and Gemini, Antigravity**. **I can help with:** - Blazor Server & WebAssembly - ASP.NET Core & .NET - ASP.NET ZERO AND ABP Framework - C# debugging and performance optimization - AI Agents & LLM integrations - Claude Code, ChatGPT, GitHub Copilot workflows - Semantic Kernel, LangGraph & Model Context Protocol (MCP) - Entity Framework Core & SQL Server - Architecture reviews - Code reviews and pair programming - Bug fixing and production issues - Azure deployment & CI/CD My mentoring style is practical and hands-on. Whether you're fixing a production bug, building an AI-powered application, or trying to get Claude to generate better code, we'll identify the root cause, solve the problem together, and make sure you understand the solution. If you're stuck, let's get you unstuck.
Microsoft AI Certified and Innovative Applications Architect with 8+ years of IT experience and extensive knowledge on Designing, Architecting, Developing, Deploying and Testing well versed technical solutions using C++, C#, [ASP.NET](http://asp.net/), .NET Core, .NET 5/6/7/8, Angular, Angular JS, JavaScript, JQuery, HTML5, CSS3, SASS, IONIC 5, T-SQL.
* 15+ years of experience in software development. * 7 years of building apps with NodeJS, React and Angular. * 5 years of hands-on work with cloud-based. * Solid background in computer science and software development. * Proficient in important practices like Clean Code, Refactoring, Test Automation, and CI/CD. * Exceptional at solving problems and learning new technologies quickly.
🏆 **Top-Rated** | ✅ **100% Client Satisfaction** | 🔥 [**200K+ Subscribers on YouTube**](https://www.youtube.com/@heyflutter) 💼 **6+ Years in Software Development** | 📱 **25+ High-Quality Applications Developed** --- --- Hi there! I help startups, entrepreneurs, and growing businesses **build beautiful, high-performance applications**. Whether you’re launching an MVP or scaling a product, I bring the **technical expertise** and **design-first mindset** to deliver stunning user experiences—on time and on budget. --- --- ### **What I Can Do for You:** ✅ Cross-Platform App Development 👉 Web App Development 🚀 MVP Launch & Rapid Prototyping 🎨 UI/UX Design with Figma 📲 App Store & Play Store Deployment ⚡ Performance Optimization --- --- ### **About Me** I began my career building real-world solutions—customer management systems, e-commerce platforms, and on-demand service mobile apps. Over the past 6+ years, I’ve grown into a results-driven mobile app engineer, delivering seamless, high-performance applications that solve complex business problems and create lasting value for users worldwide. My passion for Development also led me to work with [**HeyFlutter.com**](https://www.youtube.com/@heyflutter), a YouTube channel where I taught app development using Flutter to a community of 200K+ developers.
Senior back-end developer with 12+ years of experience. Develop IoT Monitoring System, Voting Dashboard, EduTech, Job Portal, Casino & Logistics System. hermanthotan@gmail.com https://www.linkedin.com/in/hermanthotan
I have experience as both a front-end developer and a full-stack developer. I've also worked as a technical team lead. I've also done over a thousand hours of tutoring over the past 11 years, mostly for software development. I meet you where you are in your current skill level. When we work together, the learning is enjoyable and empowering.
Most of my work for customers is around solving complex business problems through people and technology. Expertise in Front-end user interfaces, interactions through back-end APIs and servers, middleware, data storage and integration Strong experience in ASP.NET Core development.
As a seasoned **Senior Software Engineer**, I bring a wealth of experience in full-stack development, with a strong focus on front-end technologies and quality assurance. I offer mentoring and consulting services in the following areas: **React.JS & Angular:** Proficient in building dynamic, responsive web applications using React.JS and Angular. I can guide you through best practices, performance optimization, and advanced component design. **CSS:** Expertise in CSS for crafting visually appealing and responsive user interfaces. I can help you master layout techniques, animations, and styling frameworks. **Unit Testing:** Specializing in unit testing with Jasmine/Jest for JavaScript and JaCoCo for Java. I can assist you in setting up comprehensive test suites, writing effective test cases, and achieving high code coverage. **Playwright Automation Scripts:** Experienced in writing robust automation scripts using Playwright. I can teach you how to automate end-to-end testing, ensuring your applications perform flawlessly across different browsers and devices. With a commitment to high-quality code and efficient workflows, I aim to help you enhance your skills and achieve your project goals. Whether you're looking to improve your existing codebase or start a new project from scratch, I'm here to provide expert guidance and support.
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The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance Microsoft SQL Server project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance Microsoft SQL Server request on Codementor, check out our article.
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