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American Express Technology

When Innovation Meets Discipline: Inside Amex’s Patent Strategy Cell-Based Architecture for Resilient Payment Systems Reimagining Software Delivery with AI Trust Without Disclosure: Why Zero-Knowledge Proofs Could Help Build Trust in AI Agents Building Trust in AI-Powered Transactions with Amex Agentic Commerce Experiences (ACE) Developer Kit Optimizing Istio for Large-Scale Enterprise Applications Migrating the Payments Network Twice with Zero Downtime When Human Feedback Is Scarce, How Do You Evaluate AI? The Innovation Behind Amex’s Platinum Card Refresh
Mastering Decision-Making in Technology
2026-02-11 · via American Express Technology

We all do a common thing, every single day, especially in the fast-paced world of engineering leadership: making decisions. Big ones, small ones, the kind that keep you up at night, and the ones you barely notice.

For the longest time, I prided myself on my “gut feeling” and ability to make quick calls. Sometimes it works spectacularly. Other times… well, let’s just say hindsight is 20/20, and some decisions felt more like stumbling in the dark than striding confidently forward.

I realized that just being smart or experienced wasn’t enough. Leading a team, building complex systems, and navigating the business landscape demands more. It demands smarter decision-making. Not just faster, but better. I needed a process to cut through the noise and, frankly, get out of my own way.

So, I went on a bit of a quest️, researching, completing trainings and courses, and diving deep into the art and science of decision-making strategy. And wow, did I learn a few things! I want to share my journey and some “aha!” moments, hoping they might help you level up your own decision-making.

Step 1: Define the Problem

How often have we jumped into coding a solution, only to realize later we misunderstood the core need? Well-defined problems lead to breakthrough solutions.

Adopt a more rigorous Problem Definition Process:

  • Problem Statement: Write it down. Is it clear? Is it actually multiple problems? What does success look like? Who needs to be involved?

  • Need: What’s the fundamental need? Who benefits? Why?

  • Justification: Does this align with our strategy? What are the measurable benefits? How do we ensure implementation?

  • Context: What have we or others tried? What are the constraints (tech debt, budget, regulations)?

“Instead of just fixing a slow page, we dug deeper to define the problem as: an API endpoint’s response times increased significantly over the past month, correlating with a decline in user engagement.”

Step 2: Choose Your Battles

What now? We design a better decision-making system.

Not every decision needs a 10-page analysis. Focus intense effort on the critical, high-impact decisions. Which ones truly warrant the deep dive? Think of it as triaging decisions, classifying them as low-, medium-, and high- stakes.

Leaders can get stuck treating all decisions as equal. The skill is in knowing when to slow down and invest more thinking versus when to move fast and conserve energy for the calls that matter most.

Step 3: Recognize and Spot Biases

We’re all biased. It’s not a moral failing; it’s just how our brains are wired. We take mental shortcuts (heuristics) to deal with complexity, but sometimes these shortcuts lead us down the wrong path. Think of it like wearing slightly warped glasses—the world looks almost right, but things are subtly off, leading to missteps.

Here are the common culprits:

  • Action-Oriented Bias: We want to go fast, jumping into solutions before fully understanding the problem. We need to embrace uncertainty and explore before executing.

“I dove right into coding a complex feature request without writing a proper design doc. Halfway through, it hit me—I’d completely missed some crucial edge cases and overlooked key non-functional requirements.”

  • Pattern-Recognition Bias: Seeing patterns where none exist, often based on past (but maybe irrelevant) experiences. Like assuming a new coding challenge is exactly like one you solved five years ago, ignoring crucial differences. Change the angle and look from a different perspective.

“I caught myself assuming a performance issue must be the database again, without even checking the caching layers or network latency first. I defaulted to my past experiences instead of considering other possibilities.”

  • Stability Bias: Preferring the status quo even when change is needed. “If it ain’t broke, don’t fix it” can be dangerous in a dynamic environment. Sometimes, you need to shake things up!

“Hesitating to upgrade frameworks that are outdated and lack essential features because it feels too disruptive.”

  • Interest Bias: This one is very common for tech leaders, letting personal or team incentives cloud judgment. Is this really the best technical solution, or does it just let my team use that shiny new framework they love? It is important to make those interests explicit!

“Let’s do Rust, for a new service, even if the rest of the team isn’t proficient in it.”

  • Social Bias: Grounded in groupthink or letting the loudest voice dominate. We need processes that encourage diverse viewpoints and depersonalize debate.

“I remember that architecture review where I found myself deferring to the most senior engineer’s opinion. Even though I had concerns, I hesitated to speak up, and I noticed that other junior members did the same. The senior voice dominated the conversation, and our quieter perspectives were never heard.”

Recognizing these biases is like turning on a light switch. It’s about seeing potential pitfalls before falling into them.

Step 4: Deploy Countermeasures for Biases

Use targeted tactics:

  • Think statistically and rely on data rather than intuition.

  • Make sure to gather diverse perspectives.

  • Aggregate input from multiple team members to improve decision quality.

Step 5: Embed those Countermeasures

Make it routine. Add bias checks to your formal decision processes (like project kick-offs or solution or strategy reviews).

The key to embedding is ritualizing good practices. A few practical ways to make it stick:

  • Add a simple “bias check” question into project templates: “What blind spots might affect this decision?”

  • In retrospectives, explicitly review not just outcomes but the decision process: Did we rush? Did we ignore dissenting opinions?

  • Incorporate bias-awareness and problem-definition training into onboarding for engineers and managers so that new team members are aligned from the start.

  • Celebrate examples of good decision-making, not just good results — sometimes a well-structured process prevents disaster, even if the initial idea didn’t pan out.

Over time, these small rituals hardwire bias awareness and structured decision-making into the team’s cultural DNA, so it becomes second nature.

Step 6: Remain Grounded in Strategy

Decisions don’t happen in a vacuum. They need to serve a larger strategy.

I used to think strategy was just for senior executives. But strategy is crucial at every level. Why? Scarcity. We don’t have infinite time, money, or people. Strategy helps us make choices about where to focus our limited resources.

Crucially, strategy needs:

  • Internal Fit (do the pieces work together logically, reinforcing each other?)

  • External Fit (does it match the reality of the market, tech trends, regulations, etc.?).

Your internal plan isn’t helpful if the external world makes it obsolete. Strategy ensures that every investment and development aligns with the broader objectives of the enterprise, creating a whole that is greater than the sum of its parts.

Step 7: Move From Gut Feel to Hypothesis-Driven

This was a big shift. Instead of saying “I think this feature will work,” start saying, “My hypothesis is that if we build feature X (independent variable), then we will see a Y% increase in (dependent variable).”

Why? Because most ideas, even good-sounding ones, often don’t deliver the expected value when tested scientifically! We need to move from intuition to evidence.

Process:

  • Ask Questions: Start broad (exploratory questions) especially with unknowns. Why is the system slow? What are users really trying to do?

  • Collect Facts / Stats: Collect facts, data, different perspectives as much as possible.

  • Formulate Hypotheses: Get specific (confirmatory questions). Make them measurable and testable.

  • Test & Learn: Test and gather data! Run experiments (POC, tests, user studies, others who have done it in past).

  • Refine: Was the hypothesis right, wrong, or partially right? Update your understanding and iterate.

The Road Ahead

This isn’t an overnight transformation and each of our leadership transformation journeys will look different. It’s an ongoing practice of awareness, discipline, and learning.

But the payoff? More confident decisions, better team alignment, strategies that actually work, and ultimately, building better products and stronger teams to win.

It’s about shifting from simply reacting to proactively architecting our decisions and strategies. It takes effort, but the clarity and effectiveness it brings are invaluable.