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I build and scale AI-powered web applications and SaaS products using React, Next.js, TypeScript, and Python—quickly without compromising architecture, performance, or maintainability. I specialize in full-stack development across multi-tenant SaaS platforms, API integrations, and LLM/AI features, including real-time applications and performance optimization. I deliver clean, scalable code with clear communication and milestone-based progress. I can manage the full product lifecycle: planning, development, deployment, and iteration.…I build and scale AI-powered web applications and SaaS products using React, Next.js, TypeScript, and Python—quickly without compromising architecture, performance, or maintainability. I specialize in full-stack development across multi-tenant SaaS platforms, API integrations, and LLM/AI features, including real-time applications and performance optimization. I deliver clean, scalable code with clear communication and milestone-based progress. I can manage the full product lifecycle: planning, development, deployment, and iteration.

Vu Nguyen Tuan

Full Stack Developer, AI Engineer, Web Developer, +2

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I build and scale AI-powered web applications and SaaS products using React, Next.js, TypeScript, and Python—quickly without compromising architecture, performance, or maintainability. I specialize in full-stack development across multi-tenant SaaS platforms, API integrations, and LLM/AI features, including real-time applications and performance optimization. I deliver clean, scalable code with clear communication and milestone-based progress. I can manage the full product lifecycle: planning, development, deployment, and iteration.…I build and scale AI-powered web applications and SaaS products using React, Next.js, TypeScript, and Python—quickly without compromising architecture, performance, or maintainability. I specialize in full-stack development across multi-tenant SaaS platforms, API integrations, and LLM/AI features, including real-time applications and performance optimization. I deliver clean, scalable code with clear communication and milestone-based progress. I can manage the full product lifecycle: planning, development, deployment, and iteration.

Available to hire

I build and scale AI-powered web applications and SaaS products using React, Next.js, TypeScript, and Python—quickly without compromising architecture, performance, or maintainability. I specialize in full-stack development across multi-tenant SaaS platforms, API integrations, and LLM/AI features, including real-time applications and performance optimization.

I deliver clean, scalable code with clear communication and milestone-based progress. I can manage the full product lifecycle: planning, development, deployment, and iteration.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Full-Stack AI Engineer at NTQ Solution

January 1, 2025 - Present

Developed end-to-end customer-facing features for an AI-driven enterprise coaching platform using React, TypeScript, Node.js, and MongoDB. Integrated LangChain/LangGraph for workflow orchestration and OpenAI/Anthropic models for intelligent, brand-specific interactions. Contributed to core architecture and design decisions, including rapid prototyping of UI/UX flows for user interfaces and dashboards, ensuring intuitive and scalable designs aligned with product goals. Collaborated closely with AI, design, customer success, and go-to-market teams to ship high-impact tools quickly, iterating based on user feedback to improve simplicity and performance. Owned integration of real-time voice and video features using 11Labs and LiveKit, enhancing frontline team upskilling modules for global enterprise clients. Scaled applications from pilot builds to production deployments, optimizing for thousands of users while maintaining fast iteration cycles in a lean, startup-like environment.

AI Engineer at Freelancer

January 1, 2023 - Present

Designed and deployed AI voice agents, chatbots, and RAG systems using LangChain, OpenAI, and FastAPI. Integrated automation workflows with n8n, Zapier, and Make to handle complex business logic and reduce repetitive tasks. Built voice assistants with Vapi and Retell AI for lead qualification, customer service, and call booking. Developed custom retrieval systems using Pinecone, ChromaDB, and Weaviate to improve knowledge accuracy and model performance. Collaborated with clients across ideation, architecture, prototyping, production, and monitoring. Delivered scalable, production-ready systems that reduced manual work, boosted conversions, and improved customer experience.

AI Engineer

January 1, 2021 - December 31, 2022

Led the design of LLM-based assistants and retrieval-augmented generation (RAG) with vector databases. Built internal AI APIs powering data search, summarization, and customer support features. Worked with cross-functional teams (backend, frontend, data) to embed AI components into existing products. Developed text analytics and semantic search tools that improved information access speed by over 40%. Managed infrastructure on AWS and Vercel for scalable API deployments with CI/CD pipelines. Contributed to internal AI frameworks that standardized prompt templates, model routing, and embedding strategies.

Full-Stack Developer at ENOUVOI T Solutions

January 1, 2017 - December 31, 2014

Developed React and Next.js frontends with clean UI/UX, paired with Node.js or Flask backends. Integrated third-party APIs with caching. Deployed applications on AWS and Firebase, ensuring uptime, scalability, and quick CI/CD releases. Collaborated with designers and PMs to deliver reliable, user-friendly products on tight deadlines. Introduced early automation scripts improving project setup and testing efficiency by 25%.

Senior Full-Stack Developer at Twendee Software

April 1, 2015 - Present

Designed backend architecture using Django and Express.js, connecting with PostgreSQL, MongoDB, and Redis. Oversaw API integrations, performance optimization, and server monitoring. Worked directly with clients to translate business ideas into scalable technical solutions. Set up Dockerized environments and GitHub Actions for CI/CD, improving release consistency. Mentored junior developers, reviewed code, and established best practices in project documentation.