Hire the best Chatbot Developers in Vietnam

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$30 hourly
Duc T.
- 5.0/5
- (5 jobs)
🟢 𝑨𝒗𝒂𝒊𝒍𝒂𝒃𝒍𝒆 𝒏𝒐𝒘 🟢 I am Duc, a seasoned 𝐀𝐈 𝐂𝐡𝐚𝐭𝐛𝐨𝐭 & 𝐀𝐈 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 & 𝐀𝐈 𝐕𝐨𝐢𝐜𝐞 𝐀𝐠𝐞𝐧𝐭 𝐬𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐬𝐭 blending advanced workflows, NLP, and generative AI with web and mobile app development. I craft intelligent solutions that automate processes, enhance customer engagement, and empower industries like 𝐑𝐞𝐚𝐥 𝐄𝐬𝐭𝐚𝐭𝐞, 𝐇𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞, 𝐄-𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞, 𝐅𝐢𝐧𝐓𝐞𝐜𝐡 and more. 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿 ✅ AI Automation & Workflow Integration • Developing bespoke automation pipelines with n8n, Make.com, Zapier for seamless business operations • Automating complex processes to boost productivity and operational efficiency ✅ AI Voice Agent & Virtual Assistants • Creating 50+ AI Voice Agents for inbound support and outbound sales using Vapi.ai, Retell.ai, Bland.ai, Twilio, and automation tools • Building AI assistants for appointment management, shipment automation, HR screening, and more • Integrating voice platforms with Google Calendar, OpenAI, Synthflow AI, Airtable, and CRM systems ✅ Conversational AI & Chatbots • Developing RAG-based chatbots trained on PDFs, images, and sheets using LangChain, LangGraph, Pinecone, and other LLM tools • Building industry-specific LLM-driven bots for e-commerce, finance, healthcare, with multi-platform deployment (web, SMS, WhatsApp, Slack, Telegram) • Creating virtual assistants capable of natural language understanding and generation ✅ NLP & Data Scraping • Applying NLP techniques such as NLG, sentiment analysis, text classification, speech synthesis, and speech recognition using Spacy, BERT, LSTM • Developing 40+ web scraping scripts with Selenium, Scrapy, Puppeteer, BeautifulSoup, handling IP rotation, Captcha solving, and API integrations 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗦𝗲𝗿𝘃𝗲𝗱 🥇 Healthcare | 🥇 Education | 🥇 Real Estate | 🥇 FinTech | 🥇 E-commerce | 🥇 SaaS | 🥇 Travel & Hospitality | and more 𝗪𝗵𝘆 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲? ✔ Outcome-Driven AI Solutions ✔ Expertise in Full-Stack & Mobile App Development (React, Next.js, React Native, Flutter, Node.js, Python, AWS, GCP) ✔ Advanced Workflow Automation & NLP Applications ✔ Multi-Platform Voice & Chatbot Integrations 𝗧𝗼𝗼𝗹𝘀 & 𝗣𝗿𝗮𝗰𝘁𝗶𝗰𝗲𝘀 ✅ AI & Generative Models: RAG, LLM(GPT-4, GPT-4o Claude, Gemini), LangChain, Perplexity, Deepseek ✅ Automation Platforms: n8n, Make.com, Zapier ✅ Voice AI: Retell.ai, Vapi, Voiceflow, Twilio, TTS/STT, ElevenLabs, DeepGram, Whisper ✅ NLP & Text Processing: Spacy, BERT, LSTM, Sentiment Analysis, Content Editing ✅ Web & Mobile App Development: React, Next.js, React Native, Flutter, Node.js, Python (Django, FastAPI) ✅ Cloud & DevOps: AWS, GCP, Firebase, Supabase, Docker, API(REST, GraphQL) ✅ Data Scraping & Integration: Selenium, Scrapy, Puppeteer, BeautifulSoup, API handling Let’s discuss your project and bring your ideas to life! Whether you need a robust AI agent, a conversational chatbot, or an automated workflow, I am here to help. 📩 Let’s connect and start building! 📩

Chatbot Development
Amazon Web Services
Web Scraping
Twilio
Automation
AI Development
Generative AI
API Integration
AI App Development
n8n
Node.js
Python
Web Development
AI Agent Development
Artificial Intelligence
$50 hourly
Tran P.
- 5.0/5
- (5 jobs)
With nearly 8 years experience working with AI and Machine Learning, I have worked in Vietnam, Singapore and done some freelancing projects for customers from the US, Denmark, and Australia. I have experience working with many state of the art algorithms in NLP. Including prompting and finetuning LLM models; advanced NLP techniques like text data augmentation, distillation, pattern exploiting training to solve text classification and text generation problems. My recent projects are including LLM and RAG Chatbot, Contextual Targeting and Personalized Email Generation, Sentiment Analysis, Summarization, Question Answering. I also take responsibility in designing and deploying the whole AI service architecture on cloud with AWS and GCP services.

Chatbot Development
Artificial Intelligence
Matplotlib
Python Scikit-Learn
Computer Vision
Python
TensorFlow
Natural Language Processing
Machine Learning Model
Java
PyTorch
Machine Learning
Deep Learning
$25 hourly
Tuan N.
- 5.0/5
- (10 jobs)
Skilled Software Development professional with 10+ years of experience. I offer expertise across diverse domains, excelling in Desktop and Web Development, AI, Cloud Solutions, and QA. ✅ With a proven track record of delivering top-tier solutions, I specialize in: 1. Developing robust applications for desktop and web environments. 2. Implementing cutting-edge AI and Big Data technologies 3. Designing, optimizing and implementing Cloud Solutions on platforms like AWS and Azure. 4. Ensuring exceptional quality through rigorous QA practices. ✅ My commitment to excellence, effective communication, and adaptability make me the ideal choice for turning your ideas into innovative and efficient solutions. ✅ During my active time on Upwork, I was a Top Rated Plus freelancer with 100% Job Success Score in both short and long term projects. Let's collaborate and elevate your project to new heights!

Chatbot Development
Amazon Web Services
Artificial Intelligence
JavaScript
C#
Text Recognition
Machine Learning
Java
Tesseract OCR
Recommendation System
Computer Vision
Natural Language Processing
Deep Learning
C++
Python
$100 hourly
Ngoc D.
- 2.9/5
- (7 jobs)
I am a fullstack programmer. I develop robot, ea, bot and games/ apps websites and financial projects. I’m experienced in: - Amibroker Formula Language, MetaTrader 4, Metatrader 5, Financial Projections, Coding, Trading, Blockchain, ntf - Robotics and Cognitive Automation, Data Processing - Java, C++ Programming, Python - Software Development, Web Development. Chat with me for the best solution for your work!

Chatbot Development
Algorithm Development
Google Apps Script
NinjaTrader
Web Development
Java
Blockchain
Desktop Application
Financial Projection
cTrader
MetaTrader 5
AmiBroker Formula Language
MetaTrader 4
Game
Game Development
$10 hourly
Nguyen B.
- 5.0/5
- (1 job)
Hi there! Welcome to my Upwork profile! I’m Nguyên Bùi, a video editor with 2 years of experience. I am working on platforms like Youtube and TikTok, always aiming to client expectations. Whether you need footage edited or a video created from scratch, let’s make something special together! - Specialties: CapCut FinalCut Canva Pro Davinci Resolve - Services: Video editing Subtitle editing Audio editing Visual effects TikTok video editing YouTube video editing YouTube Short video editing - Content Types: Faceless videos

Chatbot Development
C
MySQL Programming
.NET Framework
Django
Video Editing
Final Cut Pro
CapCut
$70 hourly
Do D.
- 0.0/5
- (0 jobs)
“I’m a developer with experience in building websites for small and medium sized businesses. Whether you’re trying to win work, list your services or even create a whole online store – I can help! I’m experienced in HTML and CSS 3, PHP, jQuery, WordpPess and SEO I’ll fully project manage your brief from start to finish Regular communication is really important to me, so let’s keep in touch!”

Chatbot Development
Bot Development
Chatbot
Web Application
$5 hourly
Huy N.
- 0.0/5
- (0 jobs)
🤖 Hi 👋 Are you looking for an AI Engineer to turn your data into smart solutions? I'm Huy — an 𝗔𝗜 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 with strong hands-on experience building 𝗜𝗡𝗧𝗘𝗟𝗟𝗜𝗚𝗘𝗡𝗧 applications for real-world problems. I specialize in: 💬 𝗟𝗮𝗻𝗴𝘂𝗮𝗴𝗲 𝗠𝗼𝗱𝗲𝗹 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 (ChatGPT, LangChain, Llama, vLLM) 📄 𝗗𝗮𝘁𝗮 𝗘𝘅𝘁𝗿𝗮𝗰𝘁𝗶𝗼𝗻 𝗳𝗿𝗼𝗺 𝗣𝗗𝗙/𝗜𝗺𝗮𝗴𝗲𝘀 (OCR, NLP, Named Entity Recognition) 👁️ 𝗖𝗼𝗺𝗽𝘂𝘁𝗲𝗿 𝗩𝗶𝘀𝗶𝗼𝗻 (Object Detection, Classification, Surveillance) 🧠 𝗙𝗶𝗻𝗲-𝘁𝘂𝗻𝗶𝗻𝗴 AI models (BERT, YOLO, Custom Transformers) ⚙️ 𝑯𝒆𝒓𝒆’𝒔 𝒘𝒉𝒂𝒕 𝑰 𝒄𝒂𝒏 𝒅𝒆𝒍𝒊𝒗𝒆𝒓: 🛠️ AI-Powered Chatbots → Built using OpenAI, LangChain, vLLM, fine-tuned LLMs 📥 Smart Document Parsing → Extract names, tables, and meaning from invoices, receipts, reports 🎥 Custom Vision Models → Detect helmets, license plates, machinery, and more 📈 Model Training & Fine-Tuning → On your dataset, using PyTorch, TensorFlow, or HuggingFace Transformers 🚀 Production-Ready Deployment → Docker, Kubernetes, MinIO, REST API, secure endpoints 🧰 𝑴𝒚 𝑻𝒆𝒄𝒉 𝑺𝒕𝒂𝒄𝒌: ✅ Python, PyTorch, TensorFlow, Transformers ✅ LangChain, OpenAI API, vLLM, FastAPI ✅ HuggingFace, Scikit-learn, OpenCV ✅ Docker, Kubernetes, MinIO, Redis 🔍 𝑾𝒉𝒚 𝒘𝒐𝒓𝒌 𝒘𝒊𝒕𝒉 𝒎𝒆? 💬 Clear communication ⏱️ On-time delivery 🧠 Deep understanding of both AI & production code 🔄 Always open to feedback & iteration 💡 Whether you're an early-stage founder or a technical team looking to scale, I can bring your AI ideas to life — fast, reliably, and with clarity. Let’s talk about your project! 🚀

Chatbot Development
Natural Language Processing
Deep Learning
Machine Learning
Mobile App
Web Development
Web Application
Artificial Intelligence
$15 hourly
Thinh N.
- 0.0/5
- (0 jobs)
OBJECTIVE With a robust foundation in data processing, machine learning, deep learning, natural language processing (NLP), computer vision, and large language models (LLMs), I also bring substantial expertise in IoT technologies. I thrive on transforming complex challenges into innovative, data-driven solutions and am eager to leverage IoT alongside AI to drive breakthrough advancements in real-world applications as part of a forward-thinking team.

Chatbot Development
Chatbot
ChatGPT Prompt
ChatGPT API
NLP Tokenization
$30 hourly
Khanh C.
- 0.0/5
- (0 jobs)
I'm a solution-oriented developer, lifelong learner, and adventurer with 6+ years of experience in the software industry. "We can't truly solve a problem until we're able to see it thoroughly" – This philosophy has guided me through creating impactful software solutions that solve real-world problems. It's incredibly rewarding to see how my code can positively impact people's lives. Throughout my career, I've focused on creating software solutions, designing systems, and leading development teams. My expertise lies in SaaS applications (Messaging automation, Virtual office) and blockchain technologies (payments, card banking, digital wallets, and banking integrations).

Chatbot Development
Node.js
Software Development
JavaScript
Chatbot
Ionic Framework
React
Web Development
Startup Company
Smart Contract Development
Blockchain, NFT & Cryptocurrency
NodeJS Framework
Angular
PostgreSQL
TypeScript
Database
Kubernetes
Docker
$25 hourly
Dat V.
- 0.0/5
- (0 jobs)
🚀 As an AI/MLOps Engineer with extensive hands-on experience across multiple contracts and freelance projects, I bring a strong skill set in machine learning, deep learning, and full-stack development. My expertise includes building distributed data pipelines, scalable model orchestration systems, and finetuning/deploying machine learning models efficiently in clouds. ⭐️ My skill set includes: - Languages: Python, JavaScript, Java, C++ - Deep Learning: PyTorch, Lightning, Ray, Ultralytics, Transformers, OpenCV, Spacy - MLOps and Deployment: MLFlow, Kuberay, WandB, Dagster, Docker, Kubernetes, Helm, FluxCD - Fullstack Development: FastAPI, Jinja, Gradio, NextJS, TailwindCSS, HTML, CSS - Developer Tools: Git, GitHub Actions, Jenkins, Pydantic, Poetry, Ruff, Prettier 👋 Looking forward to working with you on Upwork!

Chatbot Development
Kubernetes
Docker
Model Deployment
Artificial Intelligence
Machine Learning
$20 hourly
Phat T.
- 0.0/5
- (1 job)
I'm an ML Engineer / Data Scientist experienced in building AI projects with: - 2+ years of industrial experience specializing in Generative AI and applying Machine Learning in E-commerce and Finance - Knowledge of the latest technology in Generative AI, including LLMs, Stable Diffusion, and MusicGen. - Experiences in the entire lifecycle of data science projects, from problem definition to solution delivery, and maintenance. - Excellent communication skills with proficiency in English and the ability to work cross-functionally with other engineers.

Chatbot Development
MLOps
Computer Vision
Stable Diffusion
Deep Learning
Machine Learning
Conversational AI
Natural Language Processing
Python
$25 hourly
Tu T.
- 3.4/5
- (0 jobs)
Dedicated and dynamic engineer with over 5 years of practical expertise in Natural Language Processing within the realm of Information Technology. Possessing a robust foundation in theoretical concepts, I bring a fervent interest in algorithms, Deep Learning architectures, and the practical application of AI. My hands-on experience includes solving real-world problems and crafting customized models to address business requirements. In addition to my NLP expertise, I have strong full-stack web development skills, specializing in modern technologies such as React.js, Next.js, Node.js, and NestJS, along with cloud infrastructure on AWS. This combination allows me to build and deploy scalable, intelligent web applications that seamlessly integrate AI capabilities into user-facing solutions. Eager to leverage both my AI and software engineering skills, I aim to contribute to the integration of smart systems that streamline processes and enhance overall human experiences.

Chatbot Development
Back-End Development
Front-End Development
Amazon Web Services
Full-Stack Development
Bot Development
Artificial Intelligence
AI Chatbot
Chatbot
$9 hourly
Lai D.
- 3.8/5
- (1 job)
Hello! My name is Linh, and I am a specialist in content writing with over 3 years of experience. I’ve had the opportunity to work with a wide range of clients and businesses globally, helping them complete their projects with high quality and on time. 🌟 Key Skills: Expertise in web development, graphic design, content writing. Proficient in tools such as AI ChatGPT,Canva,Capcut pro... Strong project management and team collaboration skills to ensure timely and high-quality deliveries. Excellent communication skills in both English and Vietnamese, allowing me to support clients from diverse regions. 🎯 My goal is to deliver creative and tailored solutions that help you achieve your desired outcomes quickly and cost-effectively. I’m always committed to maintaining top-notch quality in every project I handle. I specialize in a wide range of niches and can tailor my writing to meet your specific needs and target audience, with a focus on SEO-optimized content. My goal is to create engaging, valuable content that not only resonates with your audience but also drives lead generation and boosts conversions. In addition to writing, I offer expertise in Virtual Assistance and Social Media Management. I can help you effectively manage your social media accounts, optimize content for SEO, and handle various tasks, all while ensuring seamless collaboration and delivering high-quality results efficiently. 🏆 EMAIL MARKETING EXPERT I believe in creating custom solutions, not one-size-fits-all approaches. Every business is unique, with its own challenges and opportunities, and I’m here to craft a strategy that’s as distinctive as your brand. Is your business struggling to cut through the noise and build authentic connections with your audience? Whether you’re looking to increase sales, grow your email list, or strengthen your online presence, my goal is simple: to deliver tailored strategies that get results. Here’s How I Can Help You: 💡 Customer-Centric Strategy: I take the time to understand your audience—who they are, what they need, and how to connect with them. Each email, piece of content, and campaign is strategically crafted to resonate and engage with your target customers. ✉️ High-Impact Email Campaigns: I design compelling email sequences that nurture leads and transform them into loyal customers. Whether you're new to email marketing or need to revamp your current strategy, I create emails that engage, convert, and retain. 📈 Strategic Funnels That Drive Conversions: I create customer journeys that guide prospects seamlessly from awareness to purchase. By automating these processes, you can scale your business effortlessly while maximizing every engagement opportunity. 📝 Engaging, Results-Driven Content: From landing pages to social media posts, I develop content that speaks your audience’s language. It’s more than just looking good—it’s about creating content that drives real business outcomes. 📊 Proven Success Metrics: I don’t just promise growth—I track and measure it. From boosting open rates and increasing website traffic to driving more conversions, I focus on delivering results that matter to your business. Your business is unique, so your marketing strategy should reflect that. I collaborate with you to design and implement solutions aligned with your brand’s goals and target audience. I’m more than just a service provider—I’m invested in your success. My hands-on approach ensures we meet your goals together and achieve meaningful growth for your brand. Why settle for ordinary, when you can achieve extraordinary? Let’s work together to make your business stand out and thrive! Feel free to reach out if you’re looking for a professional who can bring value and efficiency to your project. I’m looking forward to working with you!

Chatbot Development
Social Media Content
Email Marketing
Copywriting
SEO Content
AI Content Creation
Product Ad Campaign
Content Creation
$22 hourly
Thanh C.
- 0.0/5
- (0 jobs)
I'm an AI engineer experienced in developing machine learning and data-driven solutions for real-world applications. Whether you're looking to build intelligent systems, analyze complex data, or integrate AI into your business workflow, I can help. * Skilled in Python, Machine Learning, Deep Learning, Computer Vision, and Agents * Experience with frameworks like TensorFlow, PyTorch, and Langgraph * Able to manage full AI project pipelines: from data preprocessing to model deployment * Clear and consistent communication is important to me, so let’s stay connected!

Chatbot Development
Agent GPT
AI Development
AI Chatbot
AI Agent Development
Computer Vision Software
Computer Vision
Artificial Intelligence
Machine Learning Model
Python
$10 hourly
Duong D.
- 0.0/5
- (0 jobs)
I am an AI engineer with a solid foundation and a passion for building machine learning models and developing AI solutions. I can assist you with automating processes, analyzing data, or creating intelligent applications. Proficient in Python and libraries such as TensorFlow, PyTorch, and Scikit-learn Hands-on experience in Natural Language Processing (NLP) and Computer Vision through practical projects Deployed basic AI models using Flask and Google Colab Skilled in data preprocessing, visualization, and optimizing machine learning workflows I am always eager to learn and ensure regular communication to deliver the best results. Let’s collaborate to build AI solutions tailored to your needs!

Chatbot Development
Jupyter Notebook
Kaggle
NumPy
PyTorch
TensorFlow
C++
Data Analysis
Analytical Presentation
Machine Learning Model
Mining
Deep Learning
Data Mining
Machine Learning
Artificial Intelligence
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