I’ve noticed that many software products face usability issues later not because of poor development, but because UX decisions were rushed during the early stages.
When UX is designed without considering scalability, teams often face problems like cluttered interfaces, inconsistent components, and poor user flows as features grow.

Some practices that seem to help long-term scalability:
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Designing reusable components from day one
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Planning UX flows for future features, not just MVP
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Aligning UX with backend logic and API structure
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Regular usability testing during development, not after
In our experience working on custom software projects, aligning UX, development, and business logic early reduces rework significantly.
Would love to hear how other designers and developers here approach scalable UX design in long-term products.
