David Tsoi

IT operations and system support professional with over 3 years of experience in data validation, discrepancy investigation, system record maintenance, technical troubleshooting, and operational process improvement. Hands-on experience in PC assembly, hardware setup, component installation, and basic hardware diagnostics. Experienced in following structured procedures, maintaining accurate system information, investigating operational issues, and coordinating with internal teams to support reliable daily operations.

Seeking to apply strong data accuracy, IT equipment, problem-solving, and operational support experience to logistics, inventory control, IT asset management, spare parts, and data center logistics operations.

Product Specialist - System Development & Support at ANTELOPE INTERNATIONAL LIMITED (2022-08 – 2026-01)

• Performed SQL data validation, discrepancy checking, data updates, and post-change verification to maintain accurate system records and support stable daily operations.
• Investigated data discrepancies and system issues, identified root causes, implemented corrective actions, and coordinated follow-up to prevent recurring problems.
• Supported operational process improvements and system enhancements, contributing to a 50% reduction in runtime.
• Followed structured troubleshooting and change procedures when maintaining business systems and verifying results after system changes.
• Coordinated with customers and internal teams to clarify requirements, resolve operational issues, communicate progress, and support timely implementation.
• Prepared and maintained system-related information and documentation to support issue tracking and ongoing operations.
• Integrated third-party APIs and automated recurring operational processes to improve efficiency and system reliability.
• Developed and maintained frontend and backend business applications using JavaScript, HTML, VB.NET, and SQL.

Marketing Assistant at DRAGON GAME (HONG KONG) CO. LIMITED (2019-09 – 2022-07)

• Supported development and functional testing of mobile applications across iOS and Android platforms using Unity (C#).
• Investigated functional issues and coordinated corrective actions with developers and design teams.
• Prepared functional specifications and maintained project-related information.
• Supported ad-hoc technical and operational projects.

Master of Science in Multimedia and Game Science – Lunghwa University of Science and Technology (2016-09 – 2019-01)

Bachelor of Business Administration in Information Management – Jinwen University of Science and Technology (2014-09 – 2016-08)

Higher Diploma in Japanese Studies – The Community College at Lingnan University (2012-09 – 2014-08)