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I’m a Senior .NET Developer combined with a Business Analyst mindset, with 10+ years of experience delivering and rescuing business-critical systems. I don’t just develop features — I analyze business workflows, fix system bottlenecks, and deliver scalable solutions that actually improve operations. In addition, I bring strong UI/UX implementation skills, allowing me to turn designs into pixel-perfect, production-ready interfaces — ensuring both performance and user experience. 🏆 Top Rated Freelancer 🏆 100% Job Success Score 💰 $10,000+ Earned 🚀 What I Specialize In 🔹 ERP / CRM / Business Systems Development Design and build systems for Sales, HRM, Warehouse, Manufacturing, Fleet Management Translate business requirements into scalable technical solutions 🔹 Legacy System Modernization (.NET) Upgrade old systems (.NET MVC, WebForms) → .NET Core / Blazor Refactor messy codebases into maintainable architectures Improve system performance, stability, and scalability 🔹 System Performance Optimization Fix slow systems (database queries, API latency, UI rendering) Optimize SQL, backend logic, and frontend performance 🔹 Pixel-Perfect UI Development (Figma / Adobe → Code) Convert Figma / Adobe XD / Photoshop designs into responsive HTML/CSS Ensure pixel-perfect accuracy across devices and browsers Implement UI using Blazor, DevExpress, Telerik 🔹 Business Analysis + Technical Execution Analyze workflows and suggest better system design Reduce operational inefficiencies through smart automation 💡 Why Clients Hire Me I think like a business owner, not just a developer I can quickly understand complex legacy systems and take ownership I proactively identify risks, bottlenecks, and better approaches I communicate clearly and provide regular progress updates 🧠 Tech Stack Backend: C#, .NET Core, ASP.NET MVC, Web API, Entity Framework Frontend: Blazor, HTML, CSS, JavaScript, Bootstrap, jQuery UI Frameworks: DevExpress, Telerik (Kendo UI), Syncfusion Database & Data: SQL Server, PL/SQL, OLAP, MDX Other: Python, ETL, Power BI, Excel, .NET MAUI 🎯 Productized Services (Fixed Scope – High Value) 💼 ERP / CRM System Audit – from $200 - Review architecture, database, and workflows - Identify bottlenecks & risks - Provide actionable improvement plan ⚡ Fix Slow .NET System – from $300 - Analyze performance issues (SQL / API / UI) - Optimize response time and system stability - Deliver measurable improvements 🔧 Legacy System Upgrade (.NET MVC → .NET Core / Blazor) - Codebase assessment - Migration strategy - Step-by-step modernization plan 📊 Database & Query Optimization – from $150 - Analyze slow queries - Optimize indexes and execution plans - Improve overall system performance 📌 Best Fit Clients - Companies running old .NET systems with performance issues - Businesses needing ERP / HRM systems built or improved - Founders who want a developer that understands business, not just code 💬 Let’s Work Together If your system is slow, hard to maintain, or no longer fits your business — I can help you analyze, fix, and upgrade it efficiently.

Top Rated | 100% Job Success | 1,000+ Hours | 5-Star Reviews. I help businesses get faster websites, better SEO rankings, and higher conversions. With 4+ years of experience, I specialize in: - Modern frontends: Next.js, Astro, React with TailwindCSS, Ant Design - Backend & APIs: Node.js, .NET, PostgreSQL, MongoDB - Headless CMS: Sanity, Payload CMS - Performance-first, Core Web Vitals optimized, sub-2s load times - E-commerce & landing pages built for real business results I've delivered projects for Vietnamese and international clients, ensuring every site is fast, maintainable, and conversion-ready. Drop me a message, I'll get back within a few hours.

I’m a Full-Stack & Blockchain Developer with over 5 years of experience creating high-performance, scalable web applications. I specialize in React, Next.js, NestJS, and blockchain integration, delivering seamless solutions for businesses and startups. What I Can Do for You: ✅ Build fast & scalable APIs using Node.js, Express, and NestJS ✅ Develop modern, responsive UIs with React.js, Next.js, Vue.js ✅ Optimize your site for SEO and lightning-fast performance ✅ Integrate Ethereum & Solana blockchain solutions ✅ Ensure clean, maintainable, and well-documented code Let’s discuss how I can help bring your project to life! 🚀

Hello, I am a full stack software developer, freelancing world wide. I apply SDLC, OOAD, SOLID and other software craftsmanship practices.. but not forget to use KISS principle. I’m experienced in creating web applications, web services, specializes in scalable, enterprise-level application development and engineering solutions for exceptionally high throughput. Over 10 years of experiences in technical consultant, and architect, specializes in full-stack, highly scalable, real-time data services, I have delivered top quality technical architecture, programming, testing and solutions for complex problems on-time and within budget.. I'm an Agile Kanban practitioner who loves to collaborate on development projects. Languages and Frameworks: .Net Core, C#, Nest js, Next js, Python, Node.js, Angular, ngRx, React, Redux, Mobx, Vue js, Knockout.js, Cordova , Express.js, Gulp.js, Mean Stack, ASP.Net MVC, C#, REST API, Grunt, Javascript, Jquery, HTML5, CSS, Bootstrap, Material Design, GraphQL , MongoDB, PostgreSQL, Test-driven Development (TDD), Software Architecture, SAAS, Microservices, Serverless, AWS, Azure Cloud Services, Azure Pipeline, CI/CD DevOps, Docker, Kubernetes. Highly skilled and experienced in: . Web User Interface, User Experienced modern design and implementation . Database creation, integration, and management . Using back-end frameworks to build server-side services, Web API, Restful service implemenetation and integration . Cloud server integration, especailly Azure . Content management system (CMS) development, deployment, and maintenance . Data analysis and reporting, visualization and business intelligent with Power BI . Architect .NET solutions. Well-versed in .NET frameworks, Web/Windows Services, and Team Foundation Servers, GIT . Gathering business requirements, completing key architecture design, and overseeing low-level and high-level design and documentation across the software development lifecycle. I'm working with agility, cooperation with trust and quality, experienced in Scrum Agile. I'm looking for long-term cooperation in freelancing work with you ! Thank you in advance for your time and consideration.

I am a Zend Certified PHP Engineer and MongoDB Certified Developer Associate Level with over 10 years of experience in developing web-based applications. I can work over 40 hours per week and provide daily reports on development progress Skills: - Server Side: PHP, Java, NodeJS, Python, Perl, Ruby - Front Side: HTML, CSS, JS, Angular, React - No Code & Low Code: Webflow, Bubble, FlutterFlow - CMS: Drupal, Wordpress, Headless CMS - Automation & Integration: Stripe, Memberstack, Paypal, Make.com, oAuth2 - Database & Search: MySQL, PostgreSQL, MongoDB, ElasticSearch - Administrator: AWS, DigitalOcean, Google Cloud Work Process: - Full-time availability (40+ hours/week) - Daily progress reports - Flexible hosting options (your server or mine) Recent Projects: - Successfully built NFT play-to-earn games - Flutter - Find the lowest prices for any product and chrome extension - Webflow & Memberstack - Salon Marketing PRO membership - Wordpress - Created monitoring tools for new Solana pools and Bitcoin - Flutter & Crawler Thank you for considering my profile. I look forward to discussing how I can contribute to your project. Sincerely, Tuyen Vuong

👋Need a website that brings in 𝗵𝗶𝗴𝗵-𝗲𝗻𝗱 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝗮𝗻𝗱 𝘀𝗮𝗹𝗲𝘀? Does your website feel 𝗼𝘂𝘁𝗱𝗮𝘁𝗲𝗱, 𝗰𝗼𝗻𝗳𝘂𝘀𝗶𝗻𝗴, or 𝗻𝗼𝘁 𝗰𝗼𝗻𝘃𝗲𝗿𝘁𝗶𝗻𝗴 𝘃𝗶𝘀𝗶𝘁𝗼𝗿𝘀 𝗶𝗻𝘁𝗼 𝗿𝗲𝗮𝗹 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗿𝗲𝘀𝘂𝗹𝘁𝘀? ✅I take the entire process off your shoulders—I create websites that work for you 24/7 while you focus on running your business. Let me transform your online presence into 𝘆𝗼𝘂𝗿 𝗺𝗼𝘀𝘁 𝗽𝗼𝘄𝗲𝗿𝗳𝘂𝗹 𝘀𝗮𝗹𝗲𝘀 𝘁𝗼𝗼𝗹—fully functional, high-converting website that captures trust, drives action, and works around your business—so you never feel stuck with a broken or underperforming site again. I help startups, entrepreneurs, and businesses create high-converting websites—from converting landing pages and multi-page sites to custom platform UI/UX design. My specialty is modern, clean, and strategic web designs in Figma, paired with seamless implementation in tools like Webflow, Shopify, Framer, Squarespace, WordPress, Bubble.io. 💻 Whether you’re launching a new product, building an e-commerce store, improving your SaaS dashboard, or refreshing your fashion, B2B, real estate, medical, construction, or retail website, I deliver design systems tailored to your industry and audience. My experience extends to AI platforms, mobile apps, landing pages, product pages, and full portfolio websites—with a strong focus on high-conversion design, lead generation, and clarity of user experience. ⸻ ✅ What I offer: • Website design from scratch (landing pages, multi-page websites, product pages, sales funnels) • Website redesign to match your current brand and business goals • Ongoing design support (add new pages, sections, content updates) • Figma UI/UX Design for platforms, apps, websites, dashboards • Responsive Web Design for all screen sizes & devices • Wireframes, auto layout, design systems, branding kits, and full UI kits • Brand-consistent visuals, custom illustrations, and graphic content tailored to your site • Handoff-ready design with organized Figma files + developer support • Website audit and conversion-focused recommendations • Multiple homepage design options (2–3 variants if needed) to align perfectly with your vision • Unlimited revisions included until you’re 100% satisfied • Full support with no-code platforms (Webflow, Framer, Squarespace, Shopify, WordPress, Bubble, Wix, Editor X, Carrd, Tilda) • End-to-end delivery: From initial concept to final handoff or live launch • Support for marketing materials, A/B testing visuals, and user-experience optimization ⸻ 🎨 Extended design expertise: Beyond web design, I bring 7 years of experience in graphic design with a strong foundation in the Adobe Creative Suite—Photoshop, Illustrator, InDesign, XD, After Effects. This allows me to support your project with: • Custom illustrations for websites • Logo design, brand identity, and branding kits • Social media design (banners, ads, stories, carousels) • Marketing design for PDFs, lead magnets, presentations, and more • Consistent visual identity across your website, social platforms, and products I’ve worked with agencies, coaches, brands, and product teams who needed a single person to create all visual assets around their web presence—and I deliver it all seamlessly. ⸻ 🚀 Why clients work with me: • 7 years of proven success in web design, UI/UX, and graphic design • Expert in Figma with clean, scalable design systems & components • Full command of Adobe Suite (Photoshop, Illustrator, InDesign, XD, AE) • Solid knowledge of SEO fundamentals, user psychology, and basic HTML/CSS • Clear communication & fast turnarounds—always on track and on time • I offer regular progress updates and stay available throughout the process • I collaborate closely with developers or builders to ensure flawless final results • From wireframes to responsive design, I focus on user experience, clarity, and performance • I understand the full lifecycle—from discovery to launch to post-launch support ⸻ 🧠 Common use cases I specialize in: • New website launches for startups, coaches, consultants, B2B companies, agencies, and e-commerce brands • Redesigning outdated websites to increase trust, usability, and conversion rates • Sites in retail, fashion, construction, medical, real estate, SaaS, AI, and education • High-conversion landing pages, product pages, lead gen funnels, and portfolio sites • UI/UX design for mobile apps, dashboards, platforms, and responsive interfaces • Design system creation: UI kits, auto layout structures, Figma component libraries, wireframes, autolayout • Visual A/B testing ⸻ I’ll help you build a clean, strategic website that reflects your brand, brings clarity to your message, and turns visitors into loyal customers. Whether you’re using a no-code site builder or a full dev team, I ensure your website is functional, on-brand, and conversion-ready—with zero design flaws. Let’s build something that looks stunning and drives you results.