Yin Yan Mak
.Net / Backend Developer
Summary
I am a fast learner, growth-focused, reliable, and hard-working individual. Having a clear and logical mindset to quickly understand, analyze and figure out a feasible solution for issues and requirements. I am a lifelong learner of new and cutting-edge knowledge that benefits my career path and daily life.
Overview
4
4
years of professional experience
3
3
Languages
Work History
Backend Developer
Landor (Hong Kong) Limited
03.2022 - 07.2025
- Integrated third-party APIs from external applications into web CMS and server.
- Managed efficient SQL queries and data transport.
- Streamlined API integration for seamless communication between frontend and backend systems.
- Refactored legacy codebase for modernization, improving readability, extensibility, and performance of existing features.
- Reduced server response time by optimizing database queries and indexing strategies.
- Enhanced application scalability through the development of microservices architecture.
Tech Stack: C#, TypeScript, >.NET 5, nodeJS, NextJS, AWS, Azure, MSSQL, MySQL, MongoDB, GraphQL
Programmer
Hundsun Ayers Technologies Limited
07.2021 - 03.2022
- Develop back office settlement system
- Enhance real-time synchronization for cash and product between back office and front office
- Fine-tune Database to shorten everyday settlement process
- Develop financial statement, client report and email services
- Automate equilty daily settlement features at once
- Handle file upload and export features for trading recording exchange
Tech Stack: C#, Foxpro, XML, .NET Framework, Win Form, MSSQL, ActiveReports
Education
BSc(Hons) Computing -
The Hong Kong Polytechnic University
04.2001 -
Skills
Strong database management
API design and development
Problem-solving abilities
Adaptability and flexibility
Performance evaluation and optimization
Team collaboration
Agile development methodologies
Task prioritization
Decision-making
Analytical skills
Timeline
Backend Developer
Landor (Hong Kong) Limited
03.2022 - 07.2025
Programmer
Hundsun Ayers Technologies Limited
07.2021 - 03.2022
BSc(Hons) Computing -
The Hong Kong Polytechnic University
04.2001 -
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