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Tra Hoang Trong

My Developer Journey: From Hello World to Senior Engineer

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My Developer Journey: From Hello World to Senior Engineer

A journey through the mountains

My Developer Journey: Lessons from a Decade of Coding

Every developer has an origin story. Some start hacking in their basement at age 12; others pivot from completely different careers. Mine started in a university lab, staring at a blue syntax error on a C++ compiler.

It has been a long road from that first "Hello World" to leading teams and architecting complex systems. In this post, I want to share the pivotal moments and the hard-earned lessons that shaped my career.

The Early Days: The Valley of Despair

I started programming because I loved video games. I thought making them would be just as fun as playing them. I was wrong.

My first semester was a nightmare of pointers, memory leaks, and segmentation faults. Imposter Syndrome kicked in early. "Everyone else seems to get it," I told myself. "Maybe I'm just not cut out for this."

Lesson 1: Persistence > Intelligence. I realized that programming isn't about being a genius; it's about stubbornness. It's about staring at a problem for hours until it clicks. I didn't give up. I spent weekends debugging. Slowly, the fog lifted.

The Junior Phase: The Copy-Paste Engineer

After graduation, I landed my first job as a Junior Web Developer. I knew the syntax, but I didn't know Software Engineering.

I measured my productivity by lines of code written. I copied code from StackOverflow without understanding it. I built features fast, but they broke just as fast.

Lesson 2: Read More Than You Write. A senior mentor told me, "You have two ears and one mouth; use them in that proportion. Similarly, read 10x more code than you write." I started reading open-source libraries. I tried to understand why frameworks were built a certain way.

The Mid-Level Transition: The Pattern Hunter

As I grew, I became obsessed with Design Patterns and Clean Code. I wanted everything to be perfectly abstract and generic.

I fell into the trap of over-engineering. I would turn a simple boolean check into a Strategy Pattern. I built "frameworks" instead of features.

Lesson 3: KISS (Keep It Simple, Stupid). I learned that clever code is hard to maintain. The best code is boring. It's predictable. It solves the problem at hand without anticipating 100 hypothetical future scenarios.

Seniority: It's People, Not Code

Becoming a Senior Engineer wasn't about knowing more algorithms. It was a shift in perspective.

I stopped worrying about how to implement a loop and started worrying about what we were building and why.

Lesson 4: Soft Skills are Hard Skills. I realized that technical problems are rarely just technical. They are communication problems.

These became my daily challenges.

Advice for Aspiring Developers

If I could go back and talk to my younger self, here is what I would say:

  1. Don't Rush: It's a marathon. Burnout is real. Take care of your health.
  2. Specialization is for Insects: Learn the fundamentals (Data Structures, Networking, OS). Frameworks come and go; fundamentals stay.
  3. Build Real Projects: Tutorials give you a false sense of competence. Build something that fails. Fix it. Deploy it.
  4. Network: Your next job will likely come from a friend, not a job board.

Conclusion

The journey never ends. Technology evolves faster than we can learn. But that's the beauty of this profession. We are paid to be lifelong learners.

Thank you for being part of my journey. Here is to the next decade of bugs and features!

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