Charles Tsoi
AI · Machine Learning · App Development
charleschtsoi@gmail.com · LinkedIn · GitHub · PDF
Fourteen years in enterprise delivery — now learning and building in AI, machine learning, and mobile products.
Experience
Full experience →Airport Authority Hong Kong
Mar 2025 – Present
Assistant Manager, IT
LLM monitoring agent for 63 production systems (~4h → 20m report prep each); agentic AI PoC with ~80% less manual query time in testing.
Independent Consultant
Sept 2024 – Feb 2025
Technical Consulting & AI Automation
Requirements, workflow design, and automation prototypes for SMEs and startups using Python, n8n, and LLMs.
Apple
Oct 2022 – Sept 2024
Engineering Project Manager (Specialized Consultant)
Worked on docserverless — numerical computation moved from server-side to edge devices.
Accenture
Aug 2021 – Sept 2022
Business & Integration Architecture Specialist
Defined API contracts (Swagger), reducing integration rework by about 20%.
The Hong Kong Jockey Club
May 2019 – July 2021
IT Solutions Analyst (Horse Racing)
Worked on Solace migration — REST APIs toward event-based messaging for real-time odds.
A.S. Watson Group
Oct 2018 – May 2019
Senior Business Analyst (eLab)
Supported technical rollout of Watsons Vietnam e-commerce site and mobile app.
Cathay Pacific Airways
Nov 2012 – Sept 2018
Product Owner / Assistant Digital Manager
Product ownership on the Cathay Pacific mobile app — MAU ~10,000 → ~120,000 (12x).
Education, certifications, skills
Full skills →Master of Science in Information & Technology Management (MScITM), The Chinese University of Hong Kong (CUHK) (Expected Q1 2027)
Solace Certified Event Driven Architecture Practitioner · Project Management Professional (PMP) · Professional Scrum Master (PSM I) · Professional Scrum Product Owner (PSPO I)
API design · Event-driven architecture · LLM agents · Product management · Agile / Scrum · Python · Next.js · Solace · Vendor evaluation · System integration