Full Stack Engineer · AI-Powered Applications · Sydney
I build intelligent web applications that solve real problems.
I'm Xiangyu Zheng — a Full Stack Engineer specialising in AI-powered applications and LLM integration. I combine React/Next.js frontends with Node.js backends and intelligent features like conversational agents, recommendation systems, and real-time translation.
4
Featured projects
React · Next.js
Stack
AI + LLM
Focus
Sydney
Based in
About
A Full Stack Engineer who speaks AI, product, and business.
I'm Xiangyu Zheng — a Full Stack Engineer specialising in AI-powered applications and LLM integration. I've built production-style systems at two Sydney internships, shipped an AI academic advisor from scratch, and run the full digital operations of a multi-location restaurant brand. I see every product as something real users will depend on — so I build with that responsibility in mind.
AI & LLM Integration
Hands-on experience with OpenAI API, Google Generative AI, and Azure AI Translator — building multi-step workflows, conversational agents, and context-aware memory systems.
End-to-end Full Stack
Comfortable across the whole stack — React/Next.js frontends, Node.js/Express backends, MongoDB and PostgreSQL databases, and cloud services like AWS S3.
UNSW AI & Data Science
Completed a Master of Information Technology (AI and Data Science) at UNSW Sydney, combining academic rigour with practical internship and project experience.
Real-world impact
From growing a restaurant brand's Google rating from 3.2★ to 4.7★ to building resume analysis pipelines at a Sydney AI startup — I care about outcomes, not just output.
Skills
Grouped by how I actually use them.
These aren't just listed from a checklist — they reflect tools I've shipped real features with across internships, personal projects, and academic work.
AI & LLM Systems
Designing and integrating LLM-powered features — from prompt engineering to multi-step agent workflows and conversational system architecture.
- OpenAI API
- Azure AI Translator
- Google Generative AI
- Prompt Engineering
- Multi-step LLM Workflows
- Conversational Systems
- Context-aware Memory Design
Full Stack Development
Building end-to-end web systems — responsive frontends, RESTful backends, authentication, and API design for production-grade applications.
- React.js
- Next.js
- TypeScript
- JavaScript ES6+
- Node.js
- Express.js
- RESTful APIs
- JWT Authentication
- API Design
- State Management
Databases & Cloud
Modelling relational and document data, working with cloud storage, and integrating API-based cloud services.
- MongoDB
- MySQL
- PostgreSQL
- AWS S3
- Supabase
- Vercel
- Cloud API integration
Tools & Workflow
Working effectively in Agile teams with industry-standard tooling for version control, project tracking, and collaborative delivery.
- Git
- GitHub
- Jira
- Notion
- Agile / Scrum
- Linux
- Shell scripting
- Code review
- Testing & debugging
Featured Projects
Work I'd be proud to walk you through.
Click any card for a quick preview, or open the full case study for the complete breakdown.
Experience
Education, work, and shipped projects.
A timeline of what I've studied, where I've worked, and the projects I've built end-to-end.
- July 2025 — Sept 2025
Software Engineering Intern
WorkJobpin AI · Sydney, Australia
Built AI-powered job-matching and resume analysis features for an AI-first recruitment platform.
- Designed AI-driven resume analysis workflow using OpenAI API, prompt chaining, and contextual reasoning
- Built responsive React and Next.js UI components for the candidate and recruiter interfaces
- Implemented scalable RESTful APIs with Node.js and Express
- Integrated AWS S3 for resume upload and secure retrieval
- Iterated on features through GitHub, Jira, testing, and debugging cycles
- Feb 2025 — June 2025
UNSW AI Academic Advisor
ProjectPersonal / Academic Project
Full-stack AI advising platform combining LLM reasoning, user context memory, and rule-based constraints for course planning at UNSW.
- Built pseudo-agent architecture with multi-step LLM prompt workflows
- Integrated OpenAI API and Google Generative AI for course and policy reasoning
- Implemented JWT auth with role-based dashboards for students, admins, and program managers
- MongoDB backend with Node.js/Express; React/Vite frontend
- Jan 2025 — May 2025
Software Engineering Intern — IFA Translator
WorkIFA Translator (Team Project · 7 members)
Full-stack translation platform supporting real-time speech, text, image, and document translation via Azure AI Translator.
- Integrated Azure AI Translator API across multiple input modalities
- Built React and Next.js frontend components with Chakra UI
- Developed Node.js/MongoDB backend services for translation logs and subscription workflows
- Participated in Agile sprints: planning, testing, debugging, and deployment preparation
- Jan 2024 — Jan 2025
Professional Year Program
EducationJR Academy · Sydney, Australia
Industry-focused professional development program covering workplace practices, communication, and technical skills for the Australian technology sector.
- Completed professional communication and workplace readiness training
- Applied technical skills in team-based project scenarios
- Bridged international engineering study with Australian industry expectations
- Aug 2023 — Aug 2024
Operations Assistant
WorkWestern Legend BBQ · Sydney, Australia
Managed digital presence and executed marketing strategies across website, TikTok, Instagram, and Google Reviews for a multi-location restaurant brand.
- Increased Google Review rating from 3.2★ to 4.7★
- Contributed to winning 2024 Best BBQ Restaurant award from Bayside Council
- Executed content and marketing strategies across TikTok, Instagram, and Google Business
- Analysed customer feedback to improve engagement across locations
- Sept 2023 — Oct 2025
Master of Artificial Intelligence and Data Science
EducationUniversity of New South Wales (UNSW) · Sydney, Australia
Completed postgraduate study combining machine learning, AI systems, data engineering, and applied full-stack development with AI integration.
- Coursework in machine learning, NLP, data systems, and cloud computing
- Capstone-style projects building AI-powered web applications
- Applied study alongside real internship and project experience
- Sept 2019 — June 2023
Bachelor of Materials Science and Engineering
EducationSouthwest Jiaotong University · Chengdu, China
Undergraduate engineering degree with strong foundations in analytical thinking, scientific method, and structured problem-solving.
- Developed disciplined research and analytical skills across four years
- Completed engineering design projects and laboratory-based coursework
- Transitioned into software and AI engineering post-graduation
Recognition & Credentials
Academic, professional, and real-world impact.
Academic background, professional training, and real-world business impact from projects, internships, and operations work.
Business Recognition
2024 Best BBQ Restaurant
Bayside Council· Nov 2024
Contributed to digital operations, customer engagement, and online reputation management that supported Western Legend BBQ's local recognition.
Academic Credential
Master of Information Technology
Artificial Intelligence and Data Science and Engineering
University of New South Wales· Completed Oct 2025
Official UNSW testamur issued upon completion of postgraduate study. Redacted preview shown — full document available upon request.
Redacted testamur preview. Full document available upon request.
Professional Training
Professional Year Program
JR Academy· Jan 2025
Focused on workplace communication, Agile teamwork, software development simulation, and employability preparation for the Australian tech industry.
AI Portfolio Assistant
Ask anything about my work.
A smart assistant built on Xiangyu's resume and project experience. Ask about AI projects, tech stack, LLM integration, or suitability for engineering roles.
AI Projects
3 end-to-end AI systems — OpenAI API, Google Generative AI, Azure AI Translator.
LLM Workflows
Pseudo-agent reasoning, prompt chaining, and context-aware memory design.
Full-stack Systems
React · Next.js · Node.js · MongoDB · PostgreSQL · AWS S3.
Xiangyu AI Assistant
Portfolio knowledge base
Hi! Ask me anything about Xiangyu's projects, tech stack, or experience — or click a question below to get started.
Suggested questions
Contact
Let's build something intelligent together.
I'm open to Full Stack and AI Engineer roles in Sydney (and remote within Australia), as well as freelance work on AI-powered web products.