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Spend Your Time on Design, Not Features

Engineering

Spend Your Time on Design, Not Features

An engineer's value is not measured by how fast they write code. It comes from designing systems that people can understand, trust, and enjoy using. Spending more time on design leads to better software.

2026/08/10 · Aiko Yokoyama
Don't Reinvent the Wheel

Engineering

Don't Reinvent the Wheel

Building everything yourself isn't always the best approach. By combining proven, well-maintained building blocks, engineers can spend more time creating the parts of a service that truly make it unique. That's also part of good system design.

2026/07/31 · Aiko Yokoyama
Don't Create More Work for People

Engineering

Don't Create More Work for People

Engineering time is one of your most valuable resources. Good system design is not only about deciding what to build, but also what not to build. By making smart use of well-established shared services, your team can focus on the parts of the system that truly create value.

2026/07/24 · Aiko Yokoyama
Users Don’t Read Messages

Industry

Users Don’t Read Messages

Users don’t read messages carefully—but they still act. This article explores how human behavior shapes system design, and why SMS and OTP work so well.

2026/04/15 · Aiko Yokoyama

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