About Eric Xu

👨‍💻 Professional Profile

I’m Eric Xu, a passionate Full-Stack Developer and Master of IT student with 1 year hands-on experience in full-stack development (React, TypeScript, JavaScript, Python). Skilled in building responsive, mobile-friendly applications, and integrating automated testing to deliver reliable releases.

Strong interest in AI, developer tools, and mobile-first platforms, with a proven track record of leading teams, collaborating with clients, and deploying scalable applications. Currently seeking a full-stack developer role in Sydney to contribute fast-paced coding and innovation.

💼 Experience

CitiXP — Software Engineer, Full Stack Application Development

📍 Sydney, Australia | 📅 June 2025 – December 2025

🔗 app.citixp.com

Developed responsive web application frontend using Next.js and React
Built RESTful API with Prisma ORM and PostgreSQL, handling CRUD operations for user data, travel routes, and community content
Created cross-platform mobile application using React Native (Expo), delivering consistent user experience across iOS and Android platforms
Configured and successfully built iOS and Android application packages, completing mobile deployment workflow
Integrated Clerk with NextAuth.js to implement Google OAuth authentication, enabling secure third-party login and robust session management

🎯 Core Expertise

Frontend Development

Core Technologies: React.js, Next.js, JavaScript (ES6+), TypeScript, HTML5, CSS3
Mobile Development: React Native, Expo, cross-platform iOS/Android apps
UI/UX: Responsive interface design, mobile-first development, user experience enhancement
Testing: Cypress for E2E and component testing

Backend Development

API Development: RESTful API design, Node.js, Prisma ORM, Flask
Database: PostgreSQL, SQLAlchemy ORM, database schema design
Authentication: Clerk, NextAuth.js, Google OAuth integration
Infrastructure: Docker containerisation, deployment with Railway

Technical Skills

const ericXu = {
  languages: ["JavaScript", "TypeScript", "Python", "HTML5", "CSS3"],
  frontend: ["React", "Next.js", "React Native", "Expo"],
  backend: ["Node.js", "Flask", "RESTful APIs", "Prisma", "SQLAlchemy"],
  database: ["PostgreSQL", "DB Schema Design"],
  auth: ["Clerk", "NextAuth.js", "Google OAuth"],
  tools: ["Docker", "GitHub", "VS Code", "Cursor", "Railway", "Figma"],
  testing: ["Cypress (E2E & Component)", "Pytest (Unit & Integration)"],
  spoken: ["Mandarin (Native)", "English (IELTS 7.5, PTE Band 90)"],
};

Problem Solving

LeetCode: 50+ problems solved across various difficulty levels
Algorithm Focus: Dynamic programming, graph algorithms, system design fundamentals
Code Quality: Strong emphasis on maintainable, testable code

🚀 Current Focus

Full-Stack Development: Building reliable, tested applications with React, Next.js, and Node.js
Mobile Development: Cross-platform apps with React Native and Expo
LeetCode Journey: Solving algorithmic problems and documenting approaches
Job Search: Actively seeking full-stack developer opportunities in Sydney

🌟 Philosophy

“Reliable software is built on solid testing foundations, and great products are delivered through user-focused development.”

I believe in building software that real people can depend on. With experience delivering full-stack web and mobile applications to actual users, I focus on quality, reliability, and practical solutions that solve genuine problems.

📫 Let’s Connect

I’m always open to interesting discussions about technology, algorithms, or potential collaborations. Feel free to reach out!

GitHub: github.com/ErIcXu-Unity
LeetCode: leetcode.com/u/ErIcXu-Unity
YouTube: youtube.com/@mimosashinichi6120
LinkedIn: linkedin.com/in/chenlong-xu-15a300306
Email: chenlong.xu@outlook.com

“Code is poetry written in logic, and algorithms are the verses that make it beautiful.”