Tech Lead Insights: 7 Essential Coding Habits You Might Be Overlooking

Aaron Janes
3 min readFeb 8, 2024

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As software developers progress in their careers, the focus shifts from merely writing functional code to crafting efficient, maintainable, and scalable solutions. Here are seven refined strategies to help you, elevate your coding practices:

1.Master the Art of Naming

Choosing clear, descriptive, and unambiguous names goes beyond basic readability. It’s about embedding the essence of an entity’s purpose and functionality within its name. A real-world example: Instead of getUserData(), a more descriptive alternative could be fetchAuthenticatedUserProfile(). This not only clarifies the action performed but also the context and expected outcome.

2. Embrace Single Responsibility in Functions

A function should be a testament to elegance and focus, performing one task with precision. This principle is the cornerstone of modular design, facilitating easier testing, debugging, and comprehension. For instance, if a function is validating input and then processing data, split it. Create one function for validation (validateUserInput()) and another for processing (processUserData()). This separation enhances modularity and reusability.

3. Champion the DRY Principle

Adherence to “Don’t Repeat Yourself” not only prevents redundancy but also fosters a single source of truth. When you find yourself copying and pasting code, it’s a cue to abstract this logic into a reusable component. Imagine a piece of logic that formats date objects scattered across your codebase. Refactoring this into a single function like formatDateToUserLocale() can save countless hours in future debugging and refactoring.

4. Prioritize Robust Error Handling

Effective error handling is the hallmark of resilient software. It’s not just about catching errors but also about foreseeing potential fail points and mitigating them proactively. Implement comprehensive error handling early in the development process to ensure your application can gracefully manage unexpected situations, enhancing reliability and user experience. Further, let’s handle the errors early in your code. It will make your code more readable and your returns faster as you won’t run unnecessary code.

5. Simplify for Maintainability

Complexity is the arch-nemesis of maintainability. Strive for simplicity in your code, making it straightforward and intuitive. Use design patterns judiciously to solve common problems in a structured and familiar way. Just because you can write it in one line doesn’t mean you need to. Making your code maintainable and readable will serve you better in the long term. As there will be a less desire by the next developer to refactor your code to improve it or have to open it up to debug it in the future. Remember, the most elegant solutions are often the simplest.

6. Refactor with Intent

Refactoring is an art form that involves critically evaluating and improving existing code without altering its external behaviour. It’s about enhancing the internal structure and design. Post-feature completion, review your code with a fresh perspective, asking, “How can I make this more efficient and understandable?” The key is a mindset geared towards continuous improvement.

7. Comment Wisely

Comments should not explain “what” the code does but “why” it does it. They are the narrative that can’t be expressed through code alone, explaining the rationale behind complex decisions or clarifying intricate algorithms. Use comments to tell the story of your code, but let the code itself be as self-explanatory as possible through clear structure and naming conventions. For example, if you have to write a comment to explain what a function does, I suggest you need a better name for your function.

Elevating Your Code Beyond Basics

To further enhance your skills, immerse yourself in code reviews, both as a reviewer and a reviewee. This practice not only sharpens your coding abilities but also fosters a collaborative culture of learning and knowledge sharing. Additionally, keep abreast of the latest trends, tools, and best practices in software development through continuous learning. Platforms like GitHub, Stack Overflow, and coding blogs are treasure troves of knowledge and community wisdom.

Remember, the journey to mastering coding is ongoing and ever-evolving. Each line of code is an opportunity to learn, improve, and innovate. Happy coding!

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