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Siti Aisyah Mat Zainal
Siti Aisyah Mat Zainal

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One Sentence From My Senior Engineer Changed How I Think About Software

WeCoded 2026: Echoes of Experience 💜

This is a submission for the 2026 WeCoded Challenge: Echoes of Experience

One Sentence From My Senior Engineer Changed How I Think About Software

When I first started working as a developer, my knowledge was everywhere.

Some notes were in notebooks.
Some were in sticky notes.
Some were in screenshots.
Some were buried inside ChatGPT conversations.

And when I needed to remember how something worked… I had to search through chaos.

At the time, I thought this was normal. I was learning fast, solving problems, writing code, fixing bugs. I believed the important part was simply getting things to work.

Then one small comment from my senior engineer changed how I think about development.


The Moment I Realized Something Was Missing

One day my senior reviewed how I tracked development information and said something simple:

“Your notes are scattered.”

It wasn’t criticism in a harsh way. It was more like an observation from someone who had spent 20 years designing systems and architectures.

I started paying attention to how she worked.

Everything she did had structure.

Documentation.
Functional specifications.
Technical notes.
System flow explanations.

When she needed to revisit something months later, she didn’t search randomly.

She knew exactly where the information lived.

That moment made me realize something important.

Being a developer is not just about writing code.

It’s about building systems that your future self and your team can understand.


Learning to Think Like an Engineer

As a junior developer, most of my energy went into solving immediate problems:

• Why is this API failing?
• Why is the database returning this value?
• Why is this UI component breaking?

But experienced engineers think differently.

They think about:

• traceability
• documentation
• architecture decisions
• long-term maintainability

I started reorganizing everything.

Instead of scattered notes, I began structuring information by:

Development tasks
System flows
Backend services
Frontend behaviors
Database logic

Even ideas from debugging sessions or conversations with colleagues were captured and categorized.

Slowly, things started to change.

When I returned to a problem weeks later, I could understand it immediately.


A Quiet Skill Many Developers Ignore

Something I noticed while working in tech is that documentation is often underestimated.

Many developers focus only on writing code.

But good documentation does something powerful.

It turns knowledge into something shareable and reusable.

It helps teammates understand decisions.

It helps future developers maintain systems.

And most importantly, it helps you grow faster, because you can see patterns in your own learning.


What This Means for Underrepresented Developers

For many of us entering tech without traditional guidance, we often learn through trial and error.

We pick up skills piece by piece.

But mentorship — even small moments of guidance — can change everything.

One sentence from a senior engineer made me rethink how I approach my entire workflow.

Not because she gave a lecture.

But because she demonstrated what experience looks like in practice.


The Lesson I Carry Forward

Today, I still make mistakes.

I still get stuck debugging.

I still ask questions.

But one thing changed permanently.

I no longer see development as just writing code.

I see it as building systems of knowledge.

And sometimes the biggest growth in your career doesn't come from a complex algorithm or a new framework.

Sometimes it comes from a simple moment when someone more experienced quietly shows you a better way to think.

And you decide to learn from it.


If you're early in your developer journey, here's something I wish someone told me earlier:

Write code, yes.

But also write down why the code exists.

Your future self will thank you.

Top comments (1)

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Sreejith B S

The story and the information it contains are very useful.