I love being a software developer. Getting to solve problems and build applications on a daily basis is something I get a lot of enjoyment out of. But I still vividly remember struggling as a beginner — that feeling of being so lost all the time, not really understanding what I was doing.
I kept at it, and I’m glad I did. As a mostly self-taught developer, there are so many things I wish had been explained to me upfront. Instead, in my stubbornness, I had to learn a lot the hard way. But through failure I ended up learning a lot more, and for that I’m thankful.
Here are five lessons I learned as a beginner software developer.
1. It’s All About Problem-Solving
Being a software developer is fundamentally about solving problems. Breaking the larger goal of an application into smaller, manageable units of code that work together is easier said than done.
Many people think programming is all about mastering complex logic, and to some degree that’s true. A computer needs exact instructions in order to perform any action. But the process of creating that logic is actually quite creative.
Every programmer needs to be able to see both the big picture and the minute details. This balance — writing exact logical flows while also resolving tricky bugs, doing it in a way that creatively and efficiently solves the problem at hand — is the key to being a good developer. Doing it in a way that is clean, readable, and well-considered is the key to being a great one.
2. A Solid Foundation Is Everything
Fundamentals are key. Programming is a lot like school math in that nearly every concept builds on a previous one. If you ever find yourself writing complex code but don’t understand one of the smaller components, go back. This is also why you shouldn’t blindly copy and paste: you probably don’t understand what that code is doing, and it may have unintended side effects.
Writing code out by hand won’t magically flip a switch in your brain, but it will make you question what a piece of code is actually doing. And that’s the point: if you don’t understand the code you’re writing, you’ve missed the opportunity to actually learn it.
If you ever see code you don’t understand, seek to understand it. It might be a new piece of syntax, or an unfamiliar way to structure a codebase. Whatever the case, don’t move on until you’ve grasped it. A solid mental model of the fundamentals will let you solve problems much more efficiently — you’ll be able to read or write code and know almost instantly when something is wrong.
Without that foundation, you’ll try to move on to more complex concepts and feel utterly lost. Trust me: if you see something you don’t understand, go back and seek to understand it.
3. Master Concepts, Not Code
Concepts are far more important than the syntax specifics of any particular language. Every language has its quirks, but nearly all of them share the same core concepts: variables, arrays, conditionals, loops, and so on. Whether it’s the constructs of object-oriented or functional programming, these concepts are the focal points for solving larger problems.
At the end of the day you need to be able to write code, but if you want to write good code, concepts are the key. Andy Harris has a great talk on thinking like a programmer that makes exactly this point. He focuses on teaching concepts rather than code, and his students walk out having learned four programming languages — but more importantly, having learned the core programming concepts behind them.
Too many beginners get stuck on syntax intricacies or trying to memorize every class and method in a library. That information is always a Google search away, and good developers know it. It would be impossible to memorize the entire standard library of any language you work in. Concepts, and the reasoning behind those concepts — that’s where true mastery is achieved.
4. Learn How to Learn
Everyone learns differently, but knowing how you learn best can make a massive difference. The tech industry is constantly shifting and innovating. If you ever stop learning, you’ll get left behind. Being a developer is a commitment to lifelong learning, so finding the approach that works best for you will make your life a lot easier.
Some people prefer to dive straight into documentation. Others prefer long structured courses that break everything down step by step. Personally, I like a bit of both: a quick primer video to get the general idea, then a deep dive into the docs to learn all the gotchas.
Some people prefer a mentor who can push them in the right direction. Others prefer Stack Overflow. Whatever works for you is valid — the important part is finding it.
5. Write More Code
It can be easy to get lost in a mountain of tutorials, articles, and documentation. But no matter how many videos you watch or courses you take, nothing substitutes actually writing code.
Sometimes I’ve spent days reading documentation trying to figure something out, only for it to click the moment I actually sat down and wrote the code. As you are learning key concepts and building your mental model of how everything is interconnected, make sure you write it out yourself.
When you’re not sure what to work on, two things will help: roadmaps and project ideas, both of which are a Google search away. Roadmaps give you a sense of what to learn next; project idea lists give you something concrete to build.
Becoming a developer isn’t easy, and if it were, everyone would do it. Technologies change, libraries rise and fall, and engineers will forever argue about tabs versus spaces. Learning to write code is hard, time-consuming, and mentally exhausting — but the payoff makes it worth it.
Keep learning. Always strive to get better, make things more efficient, and write better code.