Yunxiang Cai
Sydney,Australia
Summary
A recent Master of Information Technology graduate from the University of Sydney, with strong capabilities in both front-end and back-end web development, as well as practical skills in cybersecurity and penetration testing. Seeking a role as a Web Developer or Penetration Tester to contribute technical expertise in full-stack development and secure system design.
- Proficient in modern web development technologies including HTML, CSS, JavaScript, React, and Node.js. - Independently built an online teaching platform and led a Capstone project focusing on AI-based small object detection using YOLOv11. - Strong analytical and communication skills, demonstrated through internship experience in finance and one-on-one English tutoring. - Recognised for academic excellence and community contribution with multiple scholarships and awards. - Passionate about teamwork and continuous learning, with a background in leadership and sports.
Overview
2
2
years of professional experience
Work History
English Tutor (Primary and Junior High School)
Leading Education Institution
Shanghai, China
07.2021 - 06.2023
- Delivered one-on-one English tutoring tailored to student levels.
- Improved students’ listening, speaking, reading, and writing skills.
- Prepared learners for school exams, boosting academic confidence and performance.
Intern – Financial Department
Great Wall Securities Co., Ltd.
Shanghai, China
07.2022 - 08.2022
- Drafted and edited business documentation, improved file management for the team.
- Conducted data collection, cleaning, and visual analysis for decision support.
- Engaged with clients to present financial products, enhancing satisfaction and conversion rates.
Education
Master of Information Technology & Master of Information Management -
The University of Sydney
07.2025
Bachelor of Information Systems -
University of Tasmania
06.2023
Bachelor of Information Management & Information Systems - Minor in Computer Science
Shanghai Ocean University
06.2023
Skills
- Frontend technologies:
- HTML and CSS skills
- JavaScript with React knowledge
- Backend technologies: Nodejs and Express expertise
- Database systems: MongoDB and MySQL proficiency
- Version control using Git and GitHub
- RESTful API integration skills
- JSON data format understanding
- Postman for API development
- Heroku deployment experience
- VS Code as IDE proficiency
- Programming in Python and Java languages
- Security assessment tools: Burp Suite, AWVS, Sqlmap, Hydra, Metasploit, Cobalt Strike, DVWA, BeEF
- Linux-based penetration testing commands
- Techniques in information gathering
- Vulnerability scanning processes
- SQL injection exploitation
- XSS vulnerabilities handling
- Firewall bypassing methods
- Password brute-force strategies
- Lateral movement techniques
- Privilege escalation tactics
Projects
Online Teaching Platform – Web Development Project, Sydney, Australia, 02/24 – 03/24, Designed and implemented a task management system using Node.js and Express., Developed RESTful APIs and integrated MongoDB for data operations., Deployed on Heroku and tested with Postman for functionality validation. AI Object Detection – Capstone Project, Sydney, Australia, 03/25 – 06/25, Team leader responsible for coordination, communication, and project reporting., Trained YOLOv11n/s/m models on the SeaDronesSee dataset to improve object detection performance., Optimized architecture and hyperparameters, and refined the loss function to enhance mAP and recall scores.
Honors And Awards
- 2022 Second-Class Scholarship for Outstanding Student, Shanghai Ocean University
- 2023 “Top Ten Good Deeds” Honouree (Rescued a drowning student), Shanghai Ocean University
- 2022 Shanghai University Volleyball Cup – Top 8 (Men’s Division A)
- 2023 Shanghai University Volleyball League – Finalist
- 2018 Xuhui District “Weiyu Cup” Volleyball Championship – First Prize
- Certified Chess Level 1 Player, Shanghai Chess Federation
Languages
English
Full Professional
Chinese (Mandarin)
Native/ Bilingual
Timeline
Intern – Financial Department
Great Wall Securities Co., Ltd.
07.2022 - 08.2022
English Tutor (Primary and Junior High School)
Leading Education Institution
07.2021 - 06.2023
Master of Information Technology & Master of Information Management -
The University of Sydney
Bachelor of Information Systems -
University of Tasmania
Bachelor of Information Management & Information Systems - Minor in Computer Science
Shanghai Ocean University
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