I'm currently looking for a job in programming and I've been nailing the early interview stages. However, I hit a wall during longer coding exercises, like those 2-hour live-coding sessions or onsite interviews. I tend to get flustered under pressure and end up focusing solely on making the code functional, which means I neglect important aspects like modularity, reusability, and a clean structure. While I understand these concepts, they don't always come through in my coding during interviews.
I've considered taking on personal projects to improve, but I'm unsure how to approach building something that really challenges my design decisions. Plus, I don't have anyone reviewing my code regularly. AI feedback is okay, but it feels limited.
What strategies can I use in my projects to intentionally work on better architecture and clean code? And how can I go about finding real people to provide critiques on my work? If you've faced a similar situation, I'd love to hear about what helped you improve.
4 Answers
During those long coding interviews, try to emphasize the thought process behind your decisions. It’s all about balancing functional and non-functional requirements. Make it a point to discuss your choices aloud, even if the code isn't production-ready. Focus more on readability and reusability concepts as part of the conversation. If you can, look into take-home exercises that allow you to implement your work in a more fun format and let you showcase your skills more naturally.
I've been in your shoes. That pressure can cause us to lose sight of design priorities! I found success by practicing with constraints, like refactoring every 20-30 minutes, and by creating smaller interfaces—yes, it feels slower at first but pays off. Connecting with others for code reviews has also been crucial. Whether it’s through local meetups or small Discord groups, you’ll find real value in getting constructive feedback from peers.
Understand various design patterns and test your assumptions regularly. The project you choose doesn’t matter much as long as it has some complexity to it. You might want to start with something simple like a game (try tic-tac-toe). From a command-line version, gradually add features like player registrations or a leaderboard. Work on architectural decisions incrementally, and don't be afraid to try new things, even if that means failing sometimes. Learning from each iteration is key!
What worked for me was to modify how I practice rather than just the projects I pick. I focus on smaller, timed exercises instead of larger portfolio projects. After getting something to run, I force myself to refactor it. The first round is all about functionality, and the next round is where I clean things up—renaming variables or breaking out functions. I also simulate interview pressure to help in the actual interviews.

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