Building the Product

How do I write a spec for a developer when I'm not technical?

A starting point

Start by describing what the user does, screen by screen, in plain language, not what the database should look like. Sketch the flows (even on paper), list the must-have actions for version one, and be explicit about what you are deliberately leaving out. A good developer will ask you the technical questions back, so your job is clarity of intent, not pretending to know the stack.

Go deeper

Hand-picked from around the web, each with a note on why it earns your time.

3 resources 3 link-checked Read Use

Read

📄 Article
✓ Link checked Free Beginner

Why we picked it Most PRD advice is written for product managers inside a company, but this one is aimed squarely at a non-technical founder handing a spec to an outside developer or agency. It walks through eight concrete sections (problem, personas, features, user flows, wireframes, technical needs, an explicit out-of-scope list, and budget) so you can see what a usable spec actually contains instead of guessing. Treat it as a starting checklist, then let your developer push back on the technical parts.

How to Write a PRD for Your MVP: A Non-Technical Founder's Guide

From Pangea.ai by Pangea.ai

  • A spec for an outside developer needs more detail than an internal one: the out-of-scope list matters as much as the in-scope list for keeping budgets sane.
  • Write features as user stories ("As a [user], I want to [goal], so that [benefit]") with acceptance criteria, so the dev knows when something is actually done.
  • Match the depth of the spec to the size of the project instead of over-documenting a small MVP.
Open pangea.ai →
📖 Book
✓ Link checked Paid Intermediate

Why we picked it A good spec is not a feature dump, it is the product broken into user-centered slices, and that framing is exactly what Jeff Patton teaches. Story mapping gives you a way to lay out the whole user journey and then decide what is genuinely needed for a first version, which keeps you and your developer aligned on the why behind each feature. Read it before you write the spec, not after, and you will write a better one.

User Story Mapping: Discover the Whole Story, Build the Right Product

From O'Reilly Media by Jeff Patton ~324 pages

  • Map the whole user journey first, then slice out the smallest version that still tells a complete story: this is how you scope an MVP honestly.
  • Stories are a tool for conversation and shared understanding, not just a list of tickets to hand off.
  • Keeping the focus on user needs stops a spec from drifting into a pile of disconnected features.
Open oreilly.com →

Use

🛠️ Tool
✓ Link checked Freemium Beginner

Why we picked it A rough wireframe answers a question words rarely settle: what the screen and the flow actually look like. Figma's free tier lets a non-technical founder drag boxes into screens and link them into a flow, which a developer can read in seconds instead of decoding paragraphs of description. You do not need design skills to sketch "login, then dashboard, then this button opens that", and that alone removes a lot of back and forth.

Figma Wireframe Tool (free online wireframing)

From Figma by Figma

  • The free plan is enough to wireframe a small product and share a live link with a developer, no install needed.
  • Showing flows and screen layouts visually removes ambiguity that written specs leave behind.
  • Start low-fidelity (boxes and labels): the goal is to communicate structure, not to make it look finished.
Open figma.com →

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