Background In the  third post of this series, I want to talk about unit testing, one of the most important part of the software development I thought. Creaating a developer-friendly unit testing environment and writing high-quality test cases

Paul Liang

Background Continuing from the previous post, where we built the database layer and Liquibase migrations, this article shows how to define REST APIs in our Spring Boot Todo application. We'll walk through creating controllers, connecting them to services

Paul Liang

Background After joining a new company, there are always many things to learn from scratch. Today, I want to walk your through how to build your first Java web application using Sprint Boot. In this post, most of

Paul Liang

Background In August, I embarked on a new journey by joining a new company, marking the start of another exciting venture. At the same time, I began exploring the world of data — an area full of concepts and

Paul Liang

Background I have been with GoFreight for 5 years. During the first two or three years, I was assigned to develop the crawler system for the tracking service. In the beginning, everything went well, and we were able

Paul Liang

Background In the past, I used to share my newly acquired knowledge through blogs. However, with the emergence of AI (Specifically LLM models), things have changed. Nowadays, everyone is asking AI questions, making traditional internet searches seem less

Paul Liang

Background Recently, our team faced a challenge, how to detect the suspicious incorrect data from our vendor, in other words, our vendor sometimes will provides incorrect raw data to us. Unfortunately, we don’t have a solution to

Paul Liang

Background Today, I will show you how I take notes for my daily work. To begin, I'd like to introduce my role and job to give you a better understanding of my responsibility. I am an engineer at

Paul Liang