How to Write a Specification for a Developer Without a Technical Background: Scenarios, Data, and Decisions
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product·September 5, 2026·2 min read·By Yehonatan Saadia

How to Write a Specification for a Developer Without a Technical Background: Scenarios, Data, and Decisions

A good specification is not a screen list or a request to make it like X. It describes who uses it, what triggers the process, what enters, what leaves, what happens on exception, and who approves.

A good specification is not a screen list or a request to make it like X. It describes who uses it, what triggers the process, what enters, what leaves, what happens on exception, and who approves. It can use business language when it contains real examples and explicit decisions.

Begin with three scenarios: normal action, action with missing data, and cancelled or corrected action. For each, state fields, source, ID, status, notification, permission, and success outcome. Add what is out of scope in the first phase to prevent hidden expectations.

The developer translates the specification into technical design, but the client approves that scenarios represent the work. Before development, define acceptance examples that can be tested, not only a broad phrase like the system will be convenient.

Source

Project Management Institute

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About the author

Yehonatan Saadia

Freelance automation, web & MVP developer

I'm Yehonatan Saadia, a senior developer who builds business automation, custom websites, and MVPs for small and mid-sized companies across the US, Europe, and Israel. These guides come from real client work, not theory.

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