Andrew Chan – Medium

Andrew Chan

Andrew Chan

Event Sourcing System in Finance

(Trading, Betting and Payment)

Sep 21, 2019

Event Sourcing System in Finance

Sep 21, 2019

Andrew Chan

The Curious Case of Memory in Mobile Architecture

Enough has been written in this blog on the architecture of mobile, and now I would like to go into the implementation side — yet as I…

Jan 16, 2018

The Curious Case of Memory in Mobile Architecture

Jan 16, 2018

Andrew Chan

Many stages of mobile

So here comes my sixteenth piece of reflection, of my past decades working in mobile development — and I realise, after talking to my…

Jan 16, 2018

Many stages of mobile

Jan 16, 2018

Andrew Chan

JPA metaphor in Mobile

Java Persistence API, known as JPA, has been widely adopted in the enterprise world. It is a good inspiration to persist our states…

Jan 15, 2018

Jan 15, 2018

Andrew Chan

Bean metaphor in Mobile

Following last chapter, it is interesting to note that — as we are adopting a Mobile oriented development, with more features and power…

Jan 15, 2018

Jan 15, 2018

Andrew Chan

Managing user session and business logic on mobile

In J2EE, user session and business logic are often managed using Java Bean technology, private properties, no-arg constructor, and…

Jan 12, 2018

Jan 12, 2018

Andrew Chan

What we learn from J2EE(or Spring Hibernate) for mobile

In the enterprise cloud, most of the stacks either run Microsoft (.NET/VB) or Java technologies (which usually on top of Linux/Unix…

Jan 11, 2018

Jan 11, 2018

Andrew Chan

Mobile Pitfall #4: Vague concurrency and consistency requirement per feature

So when you avoid all the previous pitfalls, and picked an approach which is agile and KPI-driven, focuses on getting job done and problems…

Jan 11, 2018

Jan 11, 2018

Andrew Chan

Mobile Pitfall #3: Develop your mobile app strictly based on mock-up

There are teams which approach mobile app as an wrapper, extension of an otherwise intact enterprise system, only to be slightly modified…

Jan 10, 2018

Jan 10, 2018

Andrew Chan

Mobile Pitfall #2: Retrospectively develop your app on a set of API written in stone

Waterfall or Agile, both models have its own legitimate place in the development world. And here I am not trying to answer or favour one…

Jan 10, 2018

Jan 10, 2018

Andrew Chan

Andrew Chan

Andrew Chan is a Software Engineer with over 20 years experience delivering mission critical systems in trading, betting and payment.

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