Kelvin Chan

Kelvin Chan

Hong Kong, China

Kelvin Chan

AI & Fullstack engineer
I am a Senior Software & AI Engineer specializing in building scalable, high-performance software products, intelligent AI solutions, and modern full-stack applications. I help startups, businesses, and organizations transform ideas and complex requirements into reliable, production-ready digital products.

My expertise covers AI/ML, Generative AI, LLM applications, RAG systems, AI agents, data processing, backend engineering, APIs, databases, and full-stack web development. I work extensively with Python, JavaScript/TypeScript, React, Node.js, REST APIs, MongoDB, SQL, Docker, cloud technologies, and modern AI frameworks and platforms.

I can design and develop complete solutions from the ground up, including SaaS platforms, AI-powered applications, intelligent automation systems, dashboards, data pipelines, web applications, backend services, API integrations, and custom business software.

My AI expertise includes LLM integration, prompt engineering, Retrieval-Augmented Generation (RAG), vector databases, document processing, semantic search, AI agents, workflow automation, machine learning, and integrating AI capabilities into existing applications.

Beyond development, I focus strongly on software architecture, clean and maintainable code, performance, scalability, security, testing, deployment, and long-term reliability. I can also analyze existing systems, identify technical problems, fix bugs, improve performance, refactor legacy code, and modernize applications.

I believe successful software development is not only about writing code—it is about understanding the business problem, designing the right technical solution, communicating clearly, and delivering measurable results.

Whether you need a complete product developed from scratch, an AI feature integrated into an existing application, a complex backend system, a scalable web platform, or an experienced engineer to solve difficult technical challenges, I can provide an end-to-end solution from architecture and development through testing, deployment, and ongoing improvement.

Working hours

  • Monday:08h00 To 18h00
  • Tuesday:08h00 To 18h00
  • Wednesday:08h00 To 18h00
  • Thursday:08h00 To 18h00
  • Friday:08h00 To 18h00
  • Saturday:Not available
  • Sunday:Not available
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