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Hi, I’m David Ko, a passionate software developer with over six years of experience building responsive web and mobile applications. I enjoy collaborating with teams and turning code into innovative, effective products. I put great emphasis on quality through Test-Driven Development (TDD), ensuring the software I build is reliable and enhances user experiences. Throughout my career, I’ve worked on a variety of projects from educational apps and internal hospital communication systems to hospitality and travel platforms. I love solving real-world problems using technology and continuously improving my skills to deliver top-notch solutions.…Hi, I’m David Ko, a passionate software developer with over six years of experience building responsive web and mobile applications. I enjoy collaborating with teams and turning code into innovative, effective products. I put great emphasis on quality through Test-Driven Development (TDD), ensuring the software I build is reliable and enhances user experiences. Throughout my career, I’ve worked on a variety of projects from educational apps and internal hospital communication systems to hospitality and travel platforms. I love solving real-world problems using technology and continuously improving my skills to deliver top-notch solutions.

David Ko

Programmer, Web Developer, App Developer

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Hi, I’m David Ko, a passionate software developer with over six years of experience building responsive web and mobile applications. I enjoy collaborating with teams and turning code into innovative, effective products. I put great emphasis on quality through Test-Driven Development (TDD), ensuring the software I build is reliable and enhances user experiences. Throughout my career, I’ve worked on a variety of projects from educational apps and internal hospital communication systems to hospitality and travel platforms. I love solving real-world problems using technology and continuously improving my skills to deliver top-notch solutions.…Hi, I’m David Ko, a passionate software developer with over six years of experience building responsive web and mobile applications. I enjoy collaborating with teams and turning code into innovative, effective products. I put great emphasis on quality through Test-Driven Development (TDD), ensuring the software I build is reliable and enhances user experiences. Throughout my career, I’ve worked on a variety of projects from educational apps and internal hospital communication systems to hospitality and travel platforms. I love solving real-world problems using technology and continuously improving my skills to deliver top-notch solutions.

Available to hire

Hi, I’m David Ko, a passionate software developer with over six years of experience building responsive web and mobile applications. I enjoy collaborating with teams and turning code into innovative, effective products. I put great emphasis on quality through Test-Driven Development (TDD), ensuring the software I build is reliable and enhances user experiences.

Throughout my career, I’ve worked on a variety of projects from educational apps and internal hospital communication systems to hospitality and travel platforms. I love solving real-world problems using technology and continuously improving my skills to deliver top-notch solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Work Experience

Programmer at Canadian Grand Holidays

December 1, 2024 - Present

Designed and developed a web system for mass distribution of invoice emails to travel agencies, eliminating the need for manual individual email sends and saving an estimated 12 hours of administrative work each week.

Systems Analyst at Hong Kong Metropolitan University

August 31, 2024 - July 9, 2025

Cooperated with 3 faculties to launch educational applications from 0 to 1, facilitating online teaching and assisting approximately 8,000 students every semester. Worked with the design team to develop a mobile assessment system by iterative prototyping, enabling around 2,000 students to record assessments during clinical practicums, improving data accuracy by 30% and reducing paper usage by over 40,000 sheets annually.

Programmer at Hong Kong Metropolitan University

March 31, 2022 - July 9, 2025

Collaborated on educational applications development, contributing to the university’s online teaching capabilities.

Software Engineer at Hong Kong Jockey Club

February 28, 2021 - July 9, 2025

Collaborated with internal users, consultants, and vendors to implement hospitality systems such as room and event management. Trained non-technical staff through workshops and mentoring, demonstrating how the systems address their daily work challenges.

Programmer at Hong Kong Sanatorium & Hospital

July 31, 2020 - July 9, 2025

Implemented an internal Instant Messaging app and doctor app with features including secure chat rooms and patient context access to improve communication between doctors and nurses. Collaborated with design and security teams to enhance the hospital information system to prevent confidential information leaks.