Senior Full-Stack Developer / AI Product Engineer
@ Professional Freelancer
- 01Since 2025, focused on AI-driven product engineering: built and operate a production RAG/memory platform for AI agents (ContextQ), an AI-powered LMS SaaS with a live pilot customer (TutorOS), an AI-native CMS SaaS (OffloadCMS), and a provider-agnostic multi-agent orchestration framework.
- 02Shipped further LLM-powered products end-to-end: Vietnamese-first TTS/STT SaaS on Cloudflare Workers AI, an agentic shopping-research assistant with RAG and link verification, and an API-discovery tool with MCP server (trailcrumb.dev).
- 03Provided full-stack development services to clients across various industries, delivering high-quality web applications and solutions.
- 04Developed and customized WordPress websites, themes, and plugins to meet business requirements.
- 05Built dynamic frontend applications using ReactJS, AngularJS, and HTML/CSS, ensuring responsive designs and optimal user experiences.
- 06Designed and implemented backend services with Node.js, Express.js, and PHP, integrating with RESTful APIs and databases.
- 07Managed cloud infrastructure on AWS and Google Cloud, ensuring secure, scalable, and cost-effective solutions.
- 08Worked with Kafka for real-time data streaming and event-driven architectures.
- 09Collaborated with cross-functional teams and clients remotely, providing technical consultancy and project management.
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