Hire the Best Outsourced Developers
in Vietnam

Clients rate our Outsourced developers
Rating is 4.8 out of 5.
4.8/5
Based on 681 client reviews
Luan C.

Ho Chi Minh City, Vietnam

$35/hr
5.0
3 jobs

✅ Available Now 🌐 Fluent English 🔥 Fast Response Time 🏅 Certified OutSystems Professional & OutSystems Tech Lead 💼 7+ years of experience in OutSystems 🚀Top 1% of OutSystems developers ⭐ Bachelor of Software Engineering With over 7+ years of hands-on experience in OutSystems, I have been developing web and mobile apps since 2018 with excellent knowledge of software development methodologies, frameworks, and Software Development Life Cycle (SDLC) that includes all phases of systems analysis and understanding of client business technologies and processes. 🏅OutSystems Certification: ✦ OutSystems ODC Associate Developer | February - 2023 ✦ OutSystems Associate Tech Lead | December - 2022 ✦ OutSystems Associate Reactive Developer | December - 2022 ✦ OutSystems Professional Traditional Web Developer | June - 2020 ✦ OutSystems Associate Traditional Web Developer | March - 2019 As an Upwork freelancer, I am committed to open communication, adaptability, and transparency with my clients. I understand the value of a collaborative approach and strive to build long-term partnerships that yield successful outcomes. Ready to collaborate and bring your projects to life? Feel free to get in touch. I'm excited to work with you and help you achieve your tech goals! 🤝

  • HTML
  • CSS
  • Web Development
  • JavaScript
  • API Integration
  • Agile Software Development
  • SQL
  • Mobile App Development
  • Database
  • Low Code & RAD Software
  • Web Design
  • Database Design
  • Agile Project Management
  • Database Modeling
  • Jira
Trinh X.

Hanoi, Vietnam

$25/hr
5.0
3 jobs

I am a senior developer with many years in developing web applications. I have experience working with the most popular languages, databases, and frameworks like: - Language: Java, C#, Javascript, Python, PHP Laravel... - FrameWork: .NET framework, Spring boot, Angular, React, Vuejs. I also have Tensorflow and AWS Certified Solutions Architect - Associate certifications Nice to work with you

  • MySQL
  • Microsoft SQL Server
  • PostgreSQL
  • Flutter
  • JavaScript
  • Python
  • Java
  • C#
  • Angular
  • React
  • Web Scraping
  • Vue.js
  • HTML
  • TensorFlow
  • Data Scraping
Chien V.

Ho Chi Minh City, Vietnam

$15/hr
4.1
15 jobs

Top Rated | 100% Job Success | 1,000+ Hours Worked | 5-Star Reviews Looking for a developer who understands your business, not just your code? I help startups and businesses build scalable web applications that solve real operational problems, improve productivity, and deliver exceptional user experiences. Over the past 4+ years, I've built everything from enterprise CRM platforms and business management systems to high-performance marketing websites and AI-powered dashboards. What I can build for you: - Enterprise CRM Systems - Business Management Platforms - Admin Dashboards & Analytics - Booking & Reservation Systems - Marketing Websites & Landing Pages - Headless CMS Solutions - Real-time Applications - Custom Internal Tools Technical Expertise - Frontend: React, Next.js, Astro, TypeScript, Tailwind CSS, Ant Design - Backend: Node.js, .NET, REST APIs - Database: PostgreSQL, MongoDB - State Management: React Query, MobX - Real-time: SignalR - CMS: Sanity, Payload CMS - Analytics: GA4, GTM - Performance: Core Web Vitals, SEO Optimization Why clients enjoy working with me: ✔ Clean, maintainable code ✔ Strong communication ✔ Business-focused solutions ✔ Fast response time ✔ Long-term collaboration mindset Whether you need a brand-new application, a complex CRM, a scalable dashboard, or improvements to an existing system, I'd be happy to help. Let's build something great together.

  • JavaScript
  • React
  • Tailwind CSS
  • TypeScript
  • Next.js
  • HTML5
  • SCSS
  • Bootstrap
  • Liquid
  • Strapi
  • CMS Development
  • Node.js
  • Sanity Testing
  • Redux
Manh H.

Hanoi, Vietnam

$20/hr
4.7
5 jobs

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! 🚀

  • Full-Stack Development
  • Back-End Development
  • JavaScript
  • TypeScript
  • Next.js
  • React
  • NestJS
  • Docker
  • Data Migration
  • Design-to-Code
  • Microservice
  • CSS
  • Web Development
  • Responsive Design
  • Bug Fix
Thanh L.

Hanoi, Vietnam

$25/hr
5.0
23 jobs

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.

  • Software Development
  • Web Application
  • Bootstrap
  • .NET Core
  • ASP.NET MVC
  • MVC Framework
  • DevExpress
  • Database Design
  • Telerik
  • Front-End Development
  • Data Analysis
  • Business Analysis
  • PCB Design
  • System Analysis
  • Digital Transformation
  • Software
Irina P.

Ho Chi Minh City, Vietnam

$50/hr
4.9
84 jobs

👋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.

  • UX & UI Design
  • Figma
  • Web Design
  • Website Redesign
  • Responsive Design
  • Webflow
  • Shopify
  • WordPress
  • Framer
  • Landing Page
  • Wireframing
  • Graphic Design
  • Mockup
  • Prototyping
  • UX & UI

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