Writing

I used this word a lot, recently Thorsten Ball's tweet really hit me interm of my understand and it really connect with what i have in mind.

Point, reason, example, point. A structure for answering hard questions

A payment gateway is a bank's front door for money movement. VietQR scan at a street payment, NAPAS 24/7 account transfer on a mobile app, MoMo e-wallet transfer, and Visa card payment arrives at this single payment gateway

Performance review is always around goals, checkpoints, calibration, outcome. The calibration room is the part only the one who join know about its detail

Comparing a compiler's C-to-assembly translation with AI turning plain language into code, and where the analogy breaks.

A simple map of the 3 financial statements, basic valuation to help you make investment decision

Start with prompts, add retrieval for missing knowledge, and build agentic workflows only when a task truly needs tools and multiple steps.

I use 2 connected loops to keep product direction with human-led while agents assist and then build approved work.

A practical map of the SBV units, banking rules, and engineering evidence that govern commercial bank technology in Vietnam.

Some insights of how privacy rules change data collection, cloud controls, cross-border transfers, and accountability if you build/own a digital banking layer

Pull requests and delivery metrics are useful signals, but they need context from the people who understand the team's invisible work: product requirement, alignment, debating, design, debugging, etc

A great developer platform should hide infrastructure work behind useful self-service interfaces, templates, and safe delivery paths

Why consumer software like SAAS runs and profits on ads

A personal map of what might make me tired and the small experiments I can use to notice what actually helps.

A product owner/manager connects stakeholders/customers and developers while balancing value, quality, speed, and risk

2 practical politics skills: make the honest game work with your manager, and raise your guard when transparency disappears

A few sentences I keep ready when a conversation gets stressful

A practical chain from Federal Reserve rate changes to borrowing, asset choices, exchange rates, and emerging-market capital flows.

A simplified 6-step of how central banks create reserves, buy bonds, ease financial conditions, and later revert that support.

COBIT helps a bank connect enterprise goals to technology decisions, management work, and evidence that governance is working.

In context of Banking Enterprise Architecture, TOGAF gives an architecture process and governance structure, while BIAN gives reusable banking capability and service-domain details

DevOps origin is a culture of understanding between dev and ops but later it keeps changing names because companies copy ol tools and team labels while avoiding the harder work of shortening feedback between developers and operations, and then SRE, Platform engineering the evolution of handle the gaps it does not have from the begining.

A practical map of how capital moves from long-term savers and depositors, through financial institutions and markets, to the businesses and governments that use it.

I sort through advice I wrote down about ambition, relationships, judgement, courage, and finding the right environment.

My perspective on how strategy consulting like McKinsey moved beyond recommendations into product requirements, architecture, build decisions, and production delivery with client

A practical checklist for deciding whether a bank should buy an off-the-shelf LOS or build one around its loan process

Adding people can increase coordination, reduce meaningful work, and hide the need to improve the system that why in some case it can make team slower

A practical checklist for making system design decisions around scale, storage, and failure.

Critical thinking, problem solving, communication, relationships, and emotional intelligence are all you need to become a great leader

How to choose an ORM, raw SQL, or both based on the work your database needs to do.

How to choose the right test for each software risk before choosing Selenium or another tool.