Java Developers for hire in Vietnam
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Hire giaphung2k1
🏆 TOP 10 WEB DEVELOPER IN VIETNAM | 1,000+ PROJECTS | 240+ FIVE-STAR REVIEWS Whether you are a new business looking to attract your very first customers, or an established brand with a slow, outdated site—I am here to help. I engineer high-converting, custom websites from scratch designed to drive growth and maximize...🏆 TOP 10 WEB DEVELOPER IN VIETNAM | 1,000+ PROJECTS | 240+ FIVE-STAR REVIEWS Whether you are a new business looking to attract your very first customers, or an established brand with a slow, outdated site—I am here to help. I engineer high-converting, custom websites from scratch designed to drive growth and maximize customer acquisition. What I deliver: • Startup & Enterprise Solutions: Built from scratch to launch & scale your business. • Custom Web Development (Laravel, React, Vue, WordPress) • Speed, SEO & UI/UX Optimization 📬 Ready to grow your customer base? Contact me now! less -
Hire vanhuy19892011
I help startups and businesses build, modernize, and scale web applications, SaaS platforms, APIs, and cloud-based systems. With 10+ years of software engineering experience, I specialize in designing reliable backend systems, modern web applications, and scalable cloud infrastructure. My focus is not just writing...I help startups and businesses build, modernize, and scale web applications, SaaS platforms, APIs, and cloud-based systems. With 10+ years of software engineering experience, I specialize in designing reliable backend systems, modern web applications, and scalable cloud infrastructure. My focus is not just writing code, but delivering maintainable solutions that solve real business problems. Core Expertise ✔ Python (FastAPI, Django, Flask) ✔ React, Next.js, TypeScript ✔ PostgreSQL, MySQL, MongoDB ✔ REST APIs & Third-Party Integrations ✔ Docker, Linux, CI/CD ✔ AWS (EC2, RDS, S3, CloudFront) ✔ System Architecture & Performance Optimization ✔ SaaS Platforms & Enterprise Applications Selected Experience • Built and maintained large-scale web applications serving thousands of users. • Developed real-time platforms with API-driven architectures. • Designed and optimized PostgreSQL databases for high-performance workloads. • Migrated legacy systems to modern cloud-native environments. • Implemented payment gateways, authentication systems, and third-party integrations. • Deployed and managed production applications using Docker and AWS. Why Clients Work With Me ✔ Strong communication and transparent project updates ✔ Practical solutions focused on business outcomes ✔ Clean, maintainable, production-ready code ✔ Comfortable working in existing codebases ✔ Long-term support and ongoing collaboration Whether you need a new product built from scratch, an existing system stabilized, or a complex backend challenge solved, I can help. Available for long-term projects, ongoing maintenance, and high-impact development work. less -
Hire hien223234
My goal is providing high-quality products to my clients. Looking forward for the long-term relationship and great business partnership together! I am C, C++ Python, Java, C#, VB, QT, FlutterFlow, PHP, Laravel, React, MERN and Node expert. Experience: over 10 years. Web-applications and Web Research & Scraping Large...My goal is providing high-quality products to my clients. Looking forward for the long-term relationship and great business partnership together! I am C, C++ Python, Java, C#, VB, QT, FlutterFlow, PHP, Laravel, React, MERN and Node expert. Experience: over 10 years. Web-applications and Web Research & Scraping Large Data processing Security auditing of applications and scripts Neural networks, OCR Computer Interface and DAQ Software Drivers Development - I2C, CAN, USART, USB, AXI, DMA, Interrupt Controllers Reverse engineering Best Regards. less -
Hire BZOTech
✔️ Excellence ✔️ Quality ✔️ Deadline ✔️ 24/7 Support ✔️ Guarantee I'm a Full Stack Developer with more than 15 years experience of WordPress, Magento, OpenCart, Shopify, WooCommerce, and more. 100% success guarantee! What I do: ► Professional, affordable Website Design service ► Full-Cycle Web Development Services ►...✔️ Excellence ✔️ Quality ✔️ Deadline ✔️ 24/7 Support ✔️ Guarantee I'm a Full Stack Developer with more than 15 years experience of WordPress, Magento, OpenCart, Shopify, WooCommerce, and more. 100% success guarantee! What I do: ► Professional, affordable Website Design service ► Full-Cycle Web Development Services ► High-end Mobile App Development Service ► Professional Website Speed Optimization Service ► Website Update & Migration Service ► Comprehensive Website Malware Removal Service ----------------- I'm an expert in PHP, MySql, CSS3, SCSS, Compass, HTML5, Javascript, Ajax, jQuery, Swift, WordPress, Magento & Mobile apps. I serve rapid, transparent, time- and cost-efficient development and quick and responsive support. My objective is to successfully complete all projects with positive ratings and feedback. If you’re interested in working with me, please don't hesitate to contact me at any time! Thanks, and have a great day! less -
Hire nguyenn303
I am a Senior Full Stack Developer from Vietnam with over 10 years of experience in frontend, backend, and full-stack development. My main strength is building clean, responsive, high-performing web applications, while also delivering scalable backend systems, APIs, dashboards, automation tools, and blockchain...I am a Senior Full Stack Developer from Vietnam with over 10 years of experience in frontend, backend, and full-stack development. My main strength is building clean, responsive, high-performing web applications, while also delivering scalable backend systems, APIs, dashboards, automation tools, and blockchain solutions. Skills & Expertise Frontend Development React.js, Next.js, Angular, Vue.js, JavaScript, TypeScript, HTML5, CSS3, SCSS, Tailwind CSS, Bootstrap, Material UI, Responsive UI/UX, Canvas, Performance Optimization Backend Development Node.js, NestJS, Express.js, Django, RESTful APIs, GraphQL, WebSocket, Socket.io, Microservices, API Design, Authentication & Authorization, Payment Gateway Integration, Real-Time Systems Databases & Data Management MongoDB, PostgreSQL, MySQL, Redis, Firebase, Supabase, Database Design, Query Optimization, Data Modeling, Caching, Prisma, TypeORM, Mongoose Programming Languages TypeScript, JavaScript, Python, Go, C++, Rust, C#, Move DevOps & Cloud AWS, DigitalOcean, Vercel, Netlify, Docker, Nginx, CI/CD, GitHub Actions, Linux Server Management, Scalable Deployment Systems, Monitoring, Logging Blockchain & Web3 Solana, SUI, DeFi, dApps, Smart Contracts, Solana Smart Contracts, Trading Bots, Wallet Integration, Token/NFT Development, Bitcoin Ordinals, Web3.js, Ethers.js AI & Automation AI-Powered Web Applications, LLM API Integration, Automation Scripts, Data Processing, AI Workflow Integration, Chatbot Development, Telegram Bot Automation Software Architecture & Engineering SaaS Development, Scalable System Design, Clean Code, Agile Development, Git/GitHub Workflow, Testing & Debugging, Code Review, Security Best Practices, API Security Notable Projects Job Portal Systems, Booking Platforms, Social Media Platforms, Trading Management Systems, Employee Management Systems, E-Commerce Websites, Admin Dashboards, CRM/ERP Systems, Web3 dApps, Solana Trading Bots, Smart Contracts, and Telegram Automation Bots. What I Can Offer • High-quality, responsive frontend development with modern UI/UX • Scalable and secure backend systems built for performance • REST/GraphQL API development and third-party integrations • Blockchain solutions, smart contracts, trading bots, and dApps • AI automation, chatbot workflows, and process automation • DevOps support for smooth deployment, CI/CD, and production stability I focus on clean communication, reliable delivery, maintainable code, and long-term client relationships. I enjoy working with clients who value quality, clear requirements, and practical solutions. Let’s collaborate to turn your ideas into reliable, scalable, and successful digital products. less -
Hire huonghy89
I am an experienced AI/ML Engineer and Trading Bot Developer specializing in building intelligent, automated trading systems , computer vision and statistical analysis. I help traders, startups, and businesses automate strategies, improve decision-making using machine learning, and build scalable financial...I am an experienced AI/ML Engineer and Trading Bot Developer specializing in building intelligent, automated trading systems , computer vision and statistical analysis. I help traders, startups, and businesses automate strategies, improve decision-making using machine learning, and build scalable financial systems. AI/ML Services: -Object detection, segmentation, tracking -OCR/document extraction -Price prediction, sentiment analysis -Automated pipelines (batch processing, folder watchers, reporting, scheduled jobs) -Deployable AI (API/services + clean code + documentation) Trading Bot / Quant Services: -Fully automated trading systems(MT4, MT5, NT8, and TradingView) -Strategy design (rule-based + ML hybrid) -Backtesting framework, walk-forward validation -Risk management (position sizing, max drawdown rules, stop logic) -Performance reports (PnL, Sharpe, win-rate, exposure, drawdowns) -Paper trading + live monitoring dashboards R program, SPSS ,Stata, statistical analysis : -descriptive statistics, inferential statistics, predict model, data analysis, Bayesian model, -averaging meta analysis, Multivariate analysis, non-parametric regression analysis, index creation, -Financial markets, APIs, time series forecasting, feature engineering, Machine Learning Web Application Development -FastAPI / Node.js APIs with clean structure (routers, services, schemas) -Async tasks for long jobs (workers/queues, cron/schedulers) -Secure integrations with third-party APIs (brokers/exchanges/RPCs) -React / Next.js responsive UI less -
Hire pnguyen0402
Are you looking to build intelligent, scalable, and high-performance digital products? I help startups and enterprises transform ideas into powerful AI-driven applications and modern web platforms. I am a Senior Full-Stack & AI Developer with extensive experience designing, developing, and deploying robust solutions...Are you looking to build intelligent, scalable, and high-performance digital products? I help startups and enterprises transform ideas into powerful AI-driven applications and modern web platforms. I am a Senior Full-Stack & AI Developer with extensive experience designing, developing, and deploying robust solutions powered by cutting-edge technologies. From AI-powered SaaS platforms to enterprise-grade web applications, I deliver secure, scalable, and business-focused results. 🚀 What I Bring to the Table End-to-End Development: From concept and architecture to deployment and scaling. AI-Powered Innovation: Custom solutions using LLMs, machine learning, and automation. Scalable SaaS Solutions: Built for performance, reliability, and growth. Cloud & DevOps Expertise: Seamless deployment using modern cloud infrastructure. Business-Oriented Approach: Focused on ROI, efficiency, and user experience. 🤖 AI & Machine Learning Expertise Generative AI Applications (ChatGPT, GPT-4/5, Claude, Gemini) AI Agents and Autonomous Workflows Retrieval-Augmented Generation (RAG) LangChain, LlamaIndex, and Vector Databases Natural Language Processing (NLP) AI Chatbots and Virtual Assistants AI Automation and Workflow Optimization Computer Vision and Predictive Analytics 💻 Full-Stack Development Skills 💎Frontend: React, Next.js, TypeScript, JavaScript Tailwind CSS, Material UI, Redux 💎Backend: Node.js, Express.js, NestJS Python, FastAPI, Django 💎Databases: PostgreSQL, MongoDB, MySQL Firebase, Supabase Vector Databases (Pinecone, Weaviate, FAISS, Chroma) 💎Cloud & DevOps: AWS, Google Cloud, Microsoft Azure Docker, Kubernetes, CI/CD Pipelines Vercel, Netlify 💎REST APIs and GraphQL 📊 Key Achievements Built and deployed AI-powered SaaS platforms serving thousands of users. Reduced operational costs by 40% through intelligent automation. Developed RAG-based chatbots with high-accuracy knowledge retrieval. Delivered scalable full-stack applications with performance improvements of up to 60%. Integrated secure payment systems including Stripe and PayPal. Successfully completed multiple projects for startups and enterprises worldwide. (Customize these with your actual achievements and metrics.) 🌟 Services I Offer AI-Powered Web Applications Custom Chatbots and AI Agents Full-Stack Web Development SaaS Product Development API Development and Integrations MVP Development for Startups Cloud Deployment and DevOps Automation and Workflow Optimization AI Consulting and Prototyping 📩 Let's Build Something Exceptional Whether you're launching a startup, integrating AI into your business, or scaling an existing platform, I'm here to help. Send me a message to discuss your project today. less -
Hire tnam
I have free time so I will do it fast 3 years experiences in application in toshiba vietnam experience in .Net, C/C++ 2 years experiencrs in opengl in gameloft vietnam.I have free time so I will do it fast 3 years experiences in application in toshiba vietnam experience in .Net, C/C++ 2 years experiencrs in opengl in gameloft vietnam. less -
Hire SPARKMINDS
SparkMinds is a Software Development Outsourcing firm founded in 2021. Having started our business by implementing Blockchain projects, our honor is to having the success of several multimillion-dollar Crypto Exchange projects. On the upswing, SparkMinds has expanded our labor force and provide technology services in...SparkMinds is a Software Development Outsourcing firm founded in 2021. Having started our business by implementing Blockchain projects, our honor is to having the success of several multimillion-dollar Crypto Exchange projects. On the upswing, SparkMinds has expanded our labor force and provide technology services in many sectors, such as banking systems, account integration, fintech mobile apps, enterprise financial software, wallet applications, and secure data sharing...all over the world. Our Vision: Become a leading outsourcing technology service company in Vietnam delivering the essence of value through three key aspects: human resource education, service quality, and customer satisfaction. Our Mision: Create sustainable value through the development and training of our strategic workforce, providing the best quality services to satisfy our customers, and cultivating a company culture based on our four core values. less -
Hire caodung171800
caodung171800 caodung171800
$20 USD / hour
Full stack AI engineer | mobile app/Shopify ExpertVietnamFull Stack AI Engineer & Mobile/Shopify Expert with 11+ years of experience bridging the gap between cutting-edge artificial intelligence and scalable eCommerce solutions. I don't just write code; I architect systems that drive revenue. Whether it's building a native mobile app from scratch, integrating AI into a...Full Stack AI Engineer & Mobile/Shopify Expert with 11+ years of experience bridging the gap between cutting-edge artificial intelligence and scalable eCommerce solutions. I don't just write code; I architect systems that drive revenue. Whether it's building a native mobile app from scratch, integrating AI into a legacy backend, or optimizing a Shopify store for 7-figure sales, I deliver production-ready code that solves complex business problems less
