Here are three common mistakes freelance React.js developers (or developers in general) often make, based on real-world patterns: 1. Over-Engineering Solutions Freelancers, eager to impress clients, sometimes overcomplicate code—like using Redux for a small app when local state or Context API would suffice. This bloats the project, slows performance. Keep it simple unless complexity is justified. 2. Underestimating Time and Scope Many freelancers misjudge how long tasks (e.g., optimizing a React app’s render cycle or integrating an API) will take, leading to missed deadlines. Forgetting to account for debugging, testing, or client revisions often compounds this. 3. Neglecting Performance Early On Freelancers might skip performance best practices—like memoization or lazy loading—until the app slows down, forcing costly refactors later. Building with scalability in mind (e.g., avoiding huge component trees or unoptimized loops) saves time and keeps clients happy.
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