React
Design systems, component architecture, and polished product UI.
Software engineer · Sydney
Hi, I'm Yifan Lu.
I’m Yifan Lu, also known as Yifan Qiu, a software engineer based in Sydney, Australia. I work at Atlassian and build frontend and backend software with React, TypeScript, Java and Spring Boot. I graduated from the University of Adelaide with a Bachelor of Computer Science.
Software engineering at Atlassian
I joined Atlassian in Sydney as a Graduate Software Engineer in February 2026, following a software engineering internship in 2024–2025.
Product development at Fivecast
At Fivecast in Adelaide, I worked on licensing, permission workflows and automated testing across React, TypeScript and Java.
University projects and experiments
My earlier Svelte projects include a 2048 game, a typing trainer and a calculator. Explore the working demos in my project archive.
Capabilities
Skills
92%
TypeScript
Type-safe interfaces, maintainable frontend structure, and DX.
Java | Spring Boot
Service APIs, backend workflows, and pragmatic delivery.
JavaScript
Interactive client logic, browser APIs, and rapid prototyping.
C++
Systems thinking, performance-sensitive code, and fundamentals.
Rust
Safety-focused tooling, lower-level work, and modern systems patterns.