Gregory ha - Software Engineer

I am a Software Engineer with 5 years of experience specializing in a diverse range of programming languages and frameworks. Proficient in JavaScript, Java, Dart, HTML, CSS, MySQL, and Python, I have developed robust applications utilizing frameworks such as Flutter, React.js, Serverless, and Spring MVC. My expertise extends to cloud technologies like AWS, containerization with Docker, and data management using Redis and message queues. I am committed to delivering high-quality solutions that enhance user experience and streamline processes.

Project list

BabyAC - Japan

- Choose programming languages, framework, architecture - API: o Developing the feature of creating babies from photos of father and mother o Deploy API to AWS Services o Improve performance and cost for API: Reduce request time from 30s -> 8s. Reduce AWS cost from $3000 -> $1500/month. (Using Message queue, redis) - APP: o Developing the entire app with image uploading, face display, ads display and In-app purchase functionality

- Choose programming languages, framework, architecture - Developing the feature of creating babies from photos of father and mother - Deploy API to AWS Services - Improve performance and cost for API: Reduce request time from 30s -> 8s. Reduce AWS cost from $3000 -> $1500/month. (Using Message queue, redis) - Developing the entire app with image uploading, face display, ads display and In-app purchase functionality.

Technologies: Python, Flutter, Git, VS Code, MySQL, EC2, S3, Microservices, Redis, Docker, Serverless

Hirohata Cargo

A app for Ipad, that simulates the arrangement of steel blocks on a truck. It has the function of dragging and dropping, moving steel blocks. After arranging, a pdf file of the arrangement will be exported.

- Choose programming languages, framework, architecture - Developing the entire app with features: Drag and drop, zoom in and out of objects, export pdf files, Display object information in table format. - Used CustomPaint to draw steel blocks and trucks. Used Provider and stream to manage state.

Technologies: Flutter, Git, VS Code

Pipecount

A project to take photos to automatically count objects. You can add, edit, and delete objects that are missing or incorrectly counted.

- Choose programming languages, framework - Developing the entire app with features: Drag and drop, zoom in and out of objects. - Used CustomPaint to draw counted objects. Used Provider and stream to manage state.

Technologies: Flutter, Git, VS Code

ACdata

ACdata is a cloud storage like Dropbox. Download/upload speeds can be faster than Dropbox. Using Reactjs, Serverless Frameworks, AWS services: S3, RDS, Lambda, SQS, EC2,

- Design and implement user interfaces - Develop and deploy serverless functions

Technologies: React, Serverless, S3, MySQL, Lambda, SQS, EC2

Project list

Education

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