For Digital Marketers, no matter what niche your clients are in, they probably not the only player. Most likely, the market has already been occupied with a handful of big sharks already. So before turning on any campaign, it’s critical to analyze competitor’s marketing strategies and understand what kind of…

Great APIs are opinionated. In this note, I will share the practice we promote at Facebook of how to write an effective API. #1 The Best API document itself At Facebook, we believe the API is written to be read. …

After the pandemic hits, more and more software engineers are working from home or working remotely. Some companies/teams are even completely turning virtual. FB allows employees to WFH every Wed for a long time. …

People are impatient. When we visit a website and request for certain data, cache plays a critical role in terms of waiting time. In this blog, I will share an introduction of cache: what is it and how to implement. What is cache? A cache is a copy of frequently accessed data stores…

Scalability means the capability of the system to process increased workload while maintaining the same latency. For example, if your system takes X seconds to respond to a user’s request. It should take the same amount of time to respond to each of the million concurrent user requests. For a…

In my last story “Junior vs. Senior vs. Staff Engineer”, I uncovered the responsibilities for Junior-to-Staff level engineer. But they are not the complete picture of a SWE’s career ladder, and the top-notch tier is still missing, aka “Principal Engineer”. …

Bitcoin, Ethereum, Dogecoin, Shibacoin… You probably heard of all these crazy “coins” and news about their huge market value rise & falls. …

The React team recently introduced a major new feature “React Server Component”. It opens a new world for front-end engineers to build a performant app while writing less code. What the Problems? Nowadays, numerous react apps provide rich experiences. But, these client-rendered apps still need to fetch & parse data from the server. …

For any engineer working at a big corporate, building new features is only a part of the job. Another main part is making contributions to “Engineering Excellence(EE)”. EE also called “Better Engineering”, contains All the efforts that improve the quality & efficiency of the product. This responsibility is even higher…