Technical Skills
The technologies and tools I work with to build modern applications
Work Experience
My professional journey and roles in the tech industry
Developed and maintained organization website using WordPress, Divi framework, and custom JavaScript/HTML/CSS. Administered Salesforce CRM system and provided comprehensive IT support. Delivered complete end-to-end fundraising solution and led website refactoring project that resulted in modernized user interface.
Independently architected and developed comprehensive AI evaluation platform using React, Next.js, and TypeScript. Implemented Role-Based Access Control (RBAC) system and built AI parameter management interface. Created red team testing framework and engineered dual evaluation system that reduced assessment time by 60%.
Provided strategic technical leadership during project initialization phase. Conducted technology feasibility studies and directed technology stack selection. Designed scalable AWS infrastructure and reviewed API designs and database schemas for outsourced teams.
Led development team for secondhand collectible trading application serving 100,000+ active users. Spearheaded customer service AI project utilizing LLM technology and microservices architecture. Architected monitoring infrastructure with 300+ custom metrics and refactored core trading module handling 3 million daily transactions.
Designed core infrastructure systems for instant messaging application serving 2 million users. Led cross-functional collaboration to architect Content Moderation Platform and promoted to team lead. Orchestrated microservices architecture supporting high-throughput messaging infrastructure.
Designed and developed Java backend services for PGC platform serving 60 million daily active users. Enhanced notification system performance achieving 720x improvement and built real-time data processing pipeline for analytics using distributed architecture.
Education & Certifications
My academic background and professional certifications
Education
Comprehensive program covering computer science, data structures, algorithms, and system design.
Certifications
- AWS Certified Solutions Architect
- Machine Learning
Get In Touch
Have a project in mind or want to discuss opportunities? Let's connect!
royliu810@gmail.com
+61 413 157 517
Sydney, Australia