Here is a compilation of all the resources that I have created in the past while I was preparing for job interviews. I thought I will just link them all here for easy access and reference. I’ll come back from time to time if there are any updates. Leetcode/Coding Recap on Java basics for coding interview 1. Basic class codeliverungrow.medium.com Java Syntax I notice that i stumble on Java syntax and end up having to google for it. This is bad and reflects how “unfamiliar” i…liverungrow.medium.com

This was a piece of advice that a Singaporean entrepreneur, who started a company in Shenzhen, dished out to attendees of an online Zoom talk I attended many years ago. When I first heard it, I thought it was a weird advice. I had doubts about the speaker’s point. Shouldn’t…

Moments of impulses —

A simplified explanation of what Kafka is. — Kafka is a distributed system consisting of servers and clients that communicate via TCP network protocol. To publish (write) and subscribe to (read) streams of events from sources like databases, sensors, mobile devices, cloud services, and software applications Storing these event streams durably for a defined period Processing event streams…

Problem Description We’d like to put up a counter of how much money has been transferred through the money-exchange APP in the past week. The purpose is to help customers trust us by showing how much volume we’re moving successfully. Step 1: Gather Requirements First, we need to ask the interviewer some questions to clarify the…

A short article about the different types of Caching Strategies — Cache Aside pattern If the data is available in the Cache, it will be returned. If the data isn’t available (a cache miss), the application will need to issue another query to the database. Introduce network hops Code complexity: Responsibility is on the developer to write the cache/database synchronisation logic and also the…

Problem Description Multi-tenant online system; Migrate the data of some tenants to another data storage securely and with stability. Step 1: Gather Requirements First, we need to ask the interviewer some questions to clarify the requirements. Lets imagine the answers to those questions are in italics (If it sounds strange, it’s because I crafted them from…

I have been running on a regular basis since I was 12 years old. It started out as a Sunday recreational activity that I would do to improve my stamina and to prepare for my yearly fitness assessment in school. Later on, in my teenage years, I joined my secondary…

I think that mentorships with seniors are valuable, especially for a young joiner in any new industry. It is a good way for one to form new connections and seek out advice and new knowledge. As the Chinese saying goes, 少走歪路. …