Welcome to yaruyng’s Tech & AI Journey

Hi, I’m Yaru — a backend engineer and AI application builder. I focus on building practical, small-but-useful products with Java, Go, and modern AI models. This blog is my digital garden for recording thinking, experiments, and growth.

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What You’ll Find Here

This space documents my journey from traditional backend development toward AI-powered applications. I share what I learn, what I build, and how I think about technology in a fast-changing era.

  • Backend engineering notes (Java / Go)
  • Building AI-powered applications
  • LLM usage patterns and prompt design
  • System design and architecture thinking
  • Personal project breakdowns
  • Engineering efficiency & tooling
  • Learning methods and self-improvement
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My Technical Focus

I enjoy combining solid engineering fundamentals with emerging AI capabilities, aiming to turn ideas into usable products with minimal overhead.

  • Backend Development: Java, Go
  • Frameworks: Spring Boot, Gin
  • Database Systems: MySQL, PostgreSQL, Redis
  • AI Models: OpenAI / Qwen / Claude
  • Vector Databases & RAG
  • API Design & Integration
  • Docker & Basic Kubernetes
  • AI Application Engineering