Alfredo Ha possesses in-depth knowledge and expertise in developing websites. He has experience with various programming languages, including JavaScript, TypeScript, and Java. Alfredo is particularly strong in Node.js web service development, working with frameworks such as NestJS, KoaJS, Express, and RESTful APIs. He also has knowledge and experience in Next.js, ReactJS, and React Native. Alfredo works effectively in a scrum team and is proficient in using Gitflow.
Project list
Netko - Japanese
A website designed to collect and analyze survey information.
Write REST API with NestJs
Communicate requirements with customers
Review code of other team members
Optimize code
Provide solutions to difficult problems
Write REST API with NodeJs.
Communicate requirements with customers.
Review the code of other members.
Optimize code.
Technologies: Nodejs, TypeScript, PostgresQL, Firebase Google
MetaForce - 15
Blockchain marketing platform for e-commerce
Write REST API with NestJS incorporating caching, rate limiting, JWT, Sentry, and Prisma.
Communicate requirements with customers.
Review the code of other team members.
Optimize code.
Conduct unit testing.
A money lending application enabling easy loan processing and management.
Communicate with customers about requirements.
Code API using NestJS.
Develop front-end using ReactJS and React Native.
Report progress to the customer.
Review and refine code for quality assurance.
Technologies: JavaScript, NestJS, ReactJS, Redux, Material UI, MongoDB, AWS
Advertising Attribution Application - US
An application that collects and analyzes advertising data.
Write REST API with KoaJS
Review code
Unit test for API
Technologies: JavaScript, ReactJS, Redux, TypeScript, Postgres, Google Analytics
Etiqa App Development - Malaysia
An application designed for both customers and providers associated with Etiqa.
Write REST API using ExpressJS.
Technologies: JavaScript, NodeJS Express, MongoDB
Mayflower Car Rental System - Malaysia
A comprehensive management system for managing car rentals and facilitating car hire services.
Write REST API with ExpressJS
Technologies: JavaScript, NodeJS Express, MySQL
Education
Back khoa Aptech
2015 - 2017
Information Technology
Expertise
Databases
Firebase, MongoDB, PostgreSQL
Frontend Development
JavaScript, React.js, TypeScript
Backend Development
Node.js, Express.js, NestJS
Cloud & DevOps
AWS
Mobile Development
React Native
Others
Full-stack, REST API, Google Analytics, API, Back-end