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I am a frontend-focused full-stack developer with hands-on experience in building modern, SEO-optimized web applications using React, Next.js, and Prisma with MySQL. I have a strong foundation in RESTful API design and integration, data transformation, and interactive UI development. I am capable of delivering performant and scalable frontend solutions that align with both user and business needs. Additionally, I bring experience as an Artificial Intelligence Engineer and programmer, having worked on backend APIs, legacy system maintenance, and AI model training. I am fluent in English and native in Cantonese and Mandarin, ready to contribute legally in Canada with no sponsorship required.…I am a frontend-focused full-stack developer with hands-on experience in building modern, SEO-optimized web applications using React, Next.js, and Prisma with MySQL. I have a strong foundation in RESTful API design and integration, data transformation, and interactive UI development. I am capable of delivering performant and scalable frontend solutions that align with both user and business needs. Additionally, I bring experience as an Artificial Intelligence Engineer and programmer, having worked on backend APIs, legacy system maintenance, and AI model training. I am fluent in English and native in Cantonese and Mandarin, ready to contribute legally in Canada with no sponsorship required.

Justin Man Hing Hui

Programmer, Full Stack Developer, AI Engineer, +3

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I am a frontend-focused full-stack developer with hands-on experience in building modern, SEO-optimized web applications using React, Next.js, and Prisma with MySQL. I have a strong foundation in RESTful API design and integration, data transformation, and interactive UI development. I am capable of delivering performant and scalable frontend solutions that align with both user and business needs. Additionally, I bring experience as an Artificial Intelligence Engineer and programmer, having worked on backend APIs, legacy system maintenance, and AI model training. I am fluent in English and native in Cantonese and Mandarin, ready to contribute legally in Canada with no sponsorship required.…I am a frontend-focused full-stack developer with hands-on experience in building modern, SEO-optimized web applications using React, Next.js, and Prisma with MySQL. I have a strong foundation in RESTful API design and integration, data transformation, and interactive UI development. I am capable of delivering performant and scalable frontend solutions that align with both user and business needs. Additionally, I bring experience as an Artificial Intelligence Engineer and programmer, having worked on backend APIs, legacy system maintenance, and AI model training. I am fluent in English and native in Cantonese and Mandarin, ready to contribute legally in Canada with no sponsorship required.

Available to hire

I am a frontend-focused full-stack developer with hands-on experience in building modern, SEO-optimized web applications using React, Next.js, and Prisma with MySQL. I have a strong foundation in RESTful API design and integration, data transformation, and interactive UI development. I am capable of delivering performant and scalable frontend solutions that align with both user and business needs.

Additionally, I bring experience as an Artificial Intelligence Engineer and programmer, having worked on backend APIs, legacy system maintenance, and AI model training. I am fluent in English and native in Cantonese and Mandarin, ready to contribute legally in Canada with no sponsorship required.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Order Picker at GTA Fantuan Corp

April 1, 2025 - Present

Fulfilled grocery orders quickly and accurately by selecting fresh and appropriate products. Operated POS system to manage incoming orders, update status, and process payments efficiently. Communicated with customers to handle substitutions and special requests, ensuring a positive experience. Coordinated with delivery drivers to optimize pick-up timing and order prioritization.

Programmer at Genexis Technologies Limited

February 28, 2025 - July 10, 2025

Developed and deployed PL/SQL scripts managing different versions of database source code throughout development cycles including local testing, UST, pre-production, and production. Maintained and modified legacy applications involving Visual Basic and Crystal Reports. Created and maintained backend APIs using TypeScript for seamless interaction between modern and legacy services. Assisted in debugging issues during UAT phases, collaborating with customer teams and handling urgent fixes to ensure timely testing progression without disrupting development timelines.

Artificial Intelligence Engineer at Guangzhou Logansoft Technology

August 31, 2023 - July 10, 2025

Labeled data using Labelme for supervised learning. Processed and cleaned data using Python, automating format conversion for different models to streamline data preparation. Developed and trained object recognition models based on YOLOv7 and migration learning, improving model accuracy by 10%. Optimized training efficiency by configuring Linux environment, selecting GPU drivers, and fine-tuning parameters like thread count, reducing epoch time by 10%.

Order Picker at GTA Fantuan Corp

April 1, 2025 - Present

Responsible for fulfilling grocery orders quickly and accurately by selecting fresh and appropriate products. Operated POS system to manage and update incoming orders and process payments efficiently. Communicated with customers to handle substitutions and special requests, ensuring positive experiences. Coordinated with delivery drivers to optimize pick-up timing and order prioritization.

Programmer at Genexis Technologies Limited

February 28, 2025 - August 11, 2025

Developed and deployed PL/SQL scripts managing database source code versions through development cycles including testing and production. Maintained and modified legacy Visual Basic applications including Crystal Reports generation. Developed backend APIs using TypeScript to facilitate interaction between modern and legacy services. Assisted debugging during UAT, collaborating with customer teams on urgent fixes to maintain development timeline continuity.

Artificial Intelligence Engineer at Guangzhou Logansoft Technology

August 31, 2023 - August 11, 2025

Performed data labeling using Labelme to ensure high-quality annotations for supervised learning. Processed and cleaned data with Python, automating format conversion for various models. Developed and trained object recognition models based on YOLOv7 with migration learning, improving accuracy by 10%. Optimized training efficiency by configuring Linux environment, GPU drivers, and fine-tuning parameters, reducing epoch time by 10%.