L:
Leong Lap Wai
Full Stack Developer | Product Designer
Education
Hong Kong University of Science and Technology (HKUST)
BEng in Computer Science
2022 - 2025
2nd Class Honours (Distinction)
Focus: AI, Algorithms, Software Eng.
Focus: AI, Algorithms, Software Eng.
Hong Kong Community College
Associate in Statistics & Data Science
2020 - 2022
CGPA: 3.86 / 4.0
Honors & Awards
HKCC Outstanding Student
2021
Silver Award recipient for academic excellence.
Outstanding Student (Math)
2022
Selected by PolyU Applied Math Dept (1 of 2 recipients).
Dean's List & Director's List
2020 - 2022
Consistently achieved high academic standing at HKCC.
Skills & Tech
App & Frontend:
Flutter, React, Kotlin, Figma
Backend / Cloud:
Node.js, Go, Rust, Docker, GCP, Stripe
AI / Data:
Python, RAG, LangChain, R, SAS
Languages:
Cantonese, English, Mandarin
Work Experience
Dear Limited
AI Developer – Browser Extension & Backend
10/2025 – 02/2026 · Full-time
Designed and developed an
AI agent Chrome extension for
autonomous YouTube control using
React (frontend) and
Rust (backend server).
Built a high-performance Rust server that integrates multiple YouTube control interfaces (content script injection, player DOM manipulation & API orchestration).
Implemented bidirectional communication between React popup/UI and Rust backend, handling real-time agent decision-making.
Built a high-performance Rust server that integrates multiple YouTube control interfaces (content script injection, player DOM manipulation & API orchestration).
Implemented bidirectional communication between React popup/UI and Rust backend, handling real-time agent decision-making.
Embedded Web Browser System Engineer
05/2024 – 10/2025 · Full-time
Developed cross-platform in-app WebView modules using
Flutter.
Improved embedded browser performance by ~20% through rendering optimizations.
Designed intelligent content scraping algorithms to process AI platform outputs.
Improved embedded browser performance by ~20% through rendering optimizations.
Designed intelligent content scraping algorithms to process AI platform outputs.
Webperfy
Founder & Freelance Developer
10/2024 - 04/2025 · Freelance
Founded a web dev service delivering 30+ customized sites. Managed
end-to-end lifecycle from UI/UX design to deployment. Achieved
100% client satisfaction.
Dear Limited
Full Stack Developer
07/2024 - 04/2025 · Internship/Part-time
Built responsive UIs with Flutter and backend services with
Go (Golang). Implemented
OAuth/JWT auth, Stripe payment integration, and HAProxy for high
availability on Google Cloud.
Census and Statistics Dept (C&SD)
Data Systems Intern
06/2021 - 08/2021 · Internship
Optimized SQL modules and automated tasks using VBA. Supported
statistical reporting and data visualization with
Python, SAS, and R.
Featured Projects
HK Horse Prediction | ML
02/2026
ML system using
CatBoost Ranker (LTR) to
predict race outcomes. Optimized for NDCG@3.
Tyxel | Time Mgmt App
12/2025
Visualizes task progress as pixel grids. Built with
Flutter & Dart, utilizing
CustomPaint.
USTLink | Campus App
12/2024
All-in-one campus app with Forum & Calendar. Integrated
Firebase for auth/DB.
Real-time Multiplayer Game
05/2024
Competitive Snake game using
Node.js & Socket.IO for
low-latency sync.