Jalyn Cai

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From designing systems to redesigning myself

👋 Hello, I'm Jalyn! After 15 years of designing products for others, I realized I’d neglected the most important product: my own life.

Now, I'm applying those same principles: building my full stack — everything from financial systems to decision frameworks — and designing life from the inside out.

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What I'm writing

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On stress and performance


In 1908, psychologists Robert Yerkes and John Dodson studied the relationship between stress and performance by studying forty Japanese dancing mice.

5 minute read

Year in review: 2024


I’d started writing this on the first day of the new year, as has been my tradition since 2020.

6 minute read

Challenge creates change


For years, I found comfort in the structure of a job — good performance and network building made for predictability, a sense of security, and an upward trajectory of what I thought I should be focusing on.

2 minute read

Motion, not action


It’s easy to get caught up with doing things. The dopamine hits make us feel accomplished, as if we have achieved our goal.

2 minute read

What I'm creating

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📍 Currently in Singapore

©2025 Jalyn Cai