When I started learning software development, I imagined that most of my time would be spent writing code. 

A new feature seemed simple: understand the requirements, implement the solution, make sure it works, and move on to the next task. 

Working on real projects changed that perspective. 

I discovered that writing code is only one part of building software. The most challenging parts often happen before and after the actual implementation: understanding the problem, thinking about possible impacts, testing different scenarios, and collaborating with others to improve the solution. 

Understanding the problem before writing code 

One of the biggest lessons I learned is that a feature does not start with code. It starts with understanding. 

Before implementing something, it is important to ask: 

• What problem are we trying to solve? 

• Who is going to use this feature? 

• What is the expected behavior? 

• Are there any edge cases or business rules that are not immediately obvious? 

Sometimes, a few extra questions at the beginning can prevent hours of rewriting later. 

A requirement that seems clear at first can hide details that only become visible when you start thinking about real usage scenarios. 

Thinking about the impact of your changes 

In software development, changes rarely exist in isolation. 

A small modification in one place can affect other parts of an application. This is why understanding the existing system is just as important as writing the new code. 

Before making a change, I try to think about questions like: 

• Which components depend on this functionality? 

• Could this introduce unexpected behavior? 

• Do existing tests still cover the affected areas? 

My experience in QA has influenced the way I approach development. It taught me to look beyond the happy path and consider what could go wrong. 

Writing code is only one step 

Of course, implementation is an important part of the process. 

But over time, I realized that the hardest part is not always writing the code itself. The real challenge is deciding what the code should do and how it should fit into the bigger picture. 

A solution can work and still not be the best solution. 

Good software is not only about making something functional. It is also about making it understandable, maintainable, and easy to improve in the future.

Testing with a QA mindset 

Coming from a QA background, testing is naturally part of how I think about development. 

When I finish implementing a feature, I don’t only ask: 

“Does it work?” 

I also ask: 

• What happens with invalid input? 

• What happens in unexpected situations? 

• What assumptions did I make? 

• Could this change break something that was already working? 

This mindset helps me catch potential issues earlier and build features with a better understanding of how users might interact with them.

The importance of code reviews 

At the beginning, I saw code reviews mainly as a way to find mistakes. 

Now I see them differently. 

A good code review is a collaboration opportunity. It can help improve the design, simplify the implementation, make the code easier to understand, and reveal scenarios that were not considered. 

Some of the most valuable lessons I have learned as a developer came from feedback during code reviews. 

Improving the solution through feedback 

The first version of a solution is rarely the final one. 

Feedback from teammates, testers, or other stakeholders often leads to improvements that make the feature better. 

Learning to accept suggestions and rethink your approach is an important part of becoming a better developer. 

The goal is not to prove that your first solution was correct. The goal is to build the best solution possible. 

Final thoughts 

Building software is much more than writing code. 

It is about understanding problems, making thoughtful decisions, considering the impact of changes, testing different scenarios, and collaborating with others. 

The code is what users eventually interact with, but the process behind that code is what makes software reliable and maintainable. 

Looking back, one of the biggest changes in my mindset has been realizing that being a good developer is not only about knowing how to write code. It is about knowing how to think about problems. 

And that is something I continue learning with every feature I build. 

Author: Corina Man, Developer

Corina is one of those people every team relies on. She’s committed, dependable, and always ready to jump in and help a colleague no matter the challenge. Her positive energy and sense of fun make even the busiest days feel lighter, and she brings that same spirit into everything she does. Outside of work, Corina is a proud mom to two adorable girls and a passionate reader who’s rarely without a good book. Whether she’s supporting her team or getting lost in a story, she brings care, consistency, and a genuine love for what she does.