Lynn

Software Engineer

Lynn.

I build full-stack and AI applications, from web and mobile products to business systems and agent workflows.

Full-stack · AI applications

01 / AIRAG & agent workflows
02 / PRODUCTWeb & mobile products
03 / SYSTEMSAPIs & cloud delivery

Personal project

01 — 03
01

AI Job Search & Application Tracker

Full-Stack / AI Engineer · Jul 2026 – Present

A local-first workspace for finding, evaluating and preparing job applications.

PythonTypeScriptViteSupabase / PostgreSQLAI agent workflows
Project details

Extended an open-source AI job-search framework into a local-first application workspace with multi-source ingestion, de-duplication, freshness checks, fit ranking, and lifecycle tracking.

Built agent-assisted evaluation and drafter-reviewer workflows for tailored CVs, cover letters, and interview preparation, with a private dashboard, local document compilation, and privacy-preserving document handling.

Implemented a modular ingestion and ranking pipeline with caching and incremental updates to keep job data fresh and relevant.

02

Whiskers Gelato — Bilingual Brand Website

Designer / Full-Stack Developer · Feb 2026 – Present

A bilingual brand website with content management and controlled publishing.

Next.jsTypeScriptTailwind CSSContentfulVercelCloudflareGitHub Actions
Project details

Designed and built a responsive English/Chinese website with Contentful-backed content management, role-aware administration, and a controlled publishing workflow.

Implemented real-time flavour, ordering, visibility, and menu management, plus internationalised routing, SEO metadata, sitemap generation, and production deployment.

Set up CI/CD with GitHub Actions and edge deployment on Vercel and Cloudflare for fast, reliable releases.

03

AI Campus Support System — RAG Question Answering

AI Application Developer · Aug 2025 – Nov 2025

Grounded answers to campus policy and service questions through retrieval-augmented generation.

JavaSpring BootSpring AIRedis StackMinIORabbitMQVue.js
Project details

Built an end-to-end RAG pipeline for policies, announcements, and service procedures, covering parsing, chunking, embeddings, semantic retrieval, and answer generation.

Designed grounded prompts and retrieval controls to reduce hallucinations and improve answer accuracy and explainability.

Built document ingestion and vector indexing with Redis Stack and object storage, with evaluation to measure retrieval quality and answer accuracy.

Experience

Beamie Pty Ltd

Software Developer

Feb 2026 – Present
Sydney, Australia
  • Built self-order kiosk interfaces and ordering services for cafés, restaurants and food courts, using React, Next.js, TypeScript, .NET and Node.js.
  • Integrated POS systems and payment terminals through REST APIs, with menu management, pricing rules and real-time order updates.
  • Built agent skills, MCP tools and RAG retrieval workflows, alongside automated tests, access controls and cloud delivery.
  • Resolved production issues across kiosks, POS integrations and order pipelines, working with cross-functional stakeholders.

Blotz

Full-Stack / AI Engineer

Feb 2025 – Feb 2026
Australia
  • Shipped BlotzTask features for AI task breakdown, voice capture, deadlines, calendars and review workflows.
  • Built React Native / Expo mobile features and .NET 10 services with SQL Server, SignalR and Azure deployment.
  • Integrated Azure OpenAI and AI evaluation tests; improved authentication, observability and release workflows.

ARCSOFT Pty Ltd

Full-Stack Developer Intern

Dec 2024 – Feb 2025
Australia
  • Delivered an internal data-management platform with Next.js / React and .NET, Node.js and Python services.
  • Designed REST APIs and relational data access, with reusable UI components, caching and optimistic updates.
  • Added validation, error handling and automated tests, contributed to CI/CD, and resolved full-stack defects.

Skills & tools

Languages

TypeScript · JavaScript · C# · Java · Python · SQL · HTML/CSS

Frontend

React · React Native · Next.js · Expo · Tailwind CSS · shadcn/ui · Redux · React Query

Backend

.NET · ASP.NET Core · Node.js · Express.js · Spring Boot · RESTful APIs · SignalR · WebSockets

AI & LLM

OpenAI · Azure OpenAI · RAG · LangChain · Spring AI · Whisper · Function Calling · Agent Workflows · MCP · Embeddings · Vector Search

Databases

PostgreSQL · SQL Server · MySQL · MongoDB · Redis Stack · Supabase

Cloud & DevOps

AWS · Azure · Vercel · Cloudflare · Docker · GitHub Actions · CI/CD · n8n

Testing

Jest · xUnit · NUnit · React Testing Library · Unit Testing · Integration Testing

Monitoring & Tools

Auth0 · Sentry · PostHog · Contentful · MinIO · RabbitMQ · Swagger

Practices

OOP · SOLID · Clean Architecture · Agile/Scrum · Git

About Lynn

Lynn Zhao / HoshinoIzumi

My work spans enterprise systems, mobile and web products, RAG pipelines, agent workflows and cloud delivery. I focus on turning business requirements into reliable, user-centred software.

Education

University of Sydney
Master of Computer Science
Software Engineering

Auckland University of Technology
Bachelor of Computer and Information Sciences
IT Service Science