William WANG

Resume

Backend-leaning software engineer with hands-on experience in API development, system automation, full-stack delivery, and AI-powered workflows. Recently completed an internship in Australia. Strong in Python and SQL, comfortable owning backend architecture while collaborating across frontend and product boundaries.

Experience (selected)

AI Agent & System Design (Personal Project)

  • Designed and implemented an AI-powered rental order assistant using LangGraph and LLM APIs, supporting end-to-end order workflows.
  • Built a rule-based RAG system by chunking Markdown documents, generating embeddings with HuggingFace models, and retrieving context via a vector DB.
  • Optimised tool-calling flows and token usage through structured agent design and iterative evaluation.
  • Containerised with Docker Compose and integrated CI pipelines for reproducible deployment and code quality.

Full-Stack Project Delivery (University & Personal)

  • Led frontend implementation using React, Next.js, and TypeScript, translating UI prototypes into production-ready interfaces.
  • Defined API contracts and validated integrations to maintain consistent data flow.
  • Deployed cloud-ready systems with containerisation, CI/CD pipelines, and environment separation.

Core Skills

Languages
Python · SQL · JavaScript · Bash
Backend & Systems
RESTful API · OpenAPI · Authentication & RBAC · PostgreSQL · SQLAlchemy · Supabase
Frontend
React · Next.js · Tailwind · Figma-to-Code
AI & Automation
LangGraph / LangChain · RAG · Vector Databases · Workflow Automation · LLM Tool Calling
DevOps & Practice
Docker · CI/CD · GitHub Actions · Linux · Cloud-ready Architecture

Personal Strengths

  • Project-level thinking with attention to user experience
  • Fast learner across new frameworks and ecosystems
  • Preference for clean abstractions, tests, and maintainable architecture
  • Completed an internship in Australia; familiar with Aussie workflows

Focus Areas

  • Backend-leaning product development
  • AI-augmented business workflows
  • Agent-based systems and retrieval-augmented generation
  • Automation that reduces real operational cost
  • Love to dive deeper in DevOps role