Module 12 · Lesson 2

Implementation Strategy

Plan how you will build the system. Milestones, MVPs, and ordering tasks by their dependencies.

Audio: Implementation Strategy
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Implementation Strategy

A good plan turns a big idea into a sequence of small, shippable pieces. The goal is to make progress visible and to hit the inevitable surprises early, when there is still time to react.

Milestones

A milestone is a checkpoint where you can show real, working software. Each milestone closes a meaningful slice of the project: "users can sign up and log in", "data syncs to the cloud", "admin dashboard is live". Milestones force you to integrate, deploy, and test instead of building components in isolation.

Aim for milestones every one to four weeks. Shorter ones make momentum visible. Longer ones tend to slip.

Build the MVP First

The Minimum Viable Product is the smallest version of the system that delivers real value. It is not the polished version; it is the one that proves the idea works. Skip the nice-to-haves. Skip the second login method. Skip the perfect design system.

A working MVP teaches you more than a perfect plan. Real users find issues no document ever will.

Manage Scope

Scope creep happens when small "while we are in here" additions accumulate into delays. A clear backlog and prioritization make scope tradeoffs explicit: every "yes" to something new is a "later" or "no" to something else.

Resist polishing what is not yet useful. The shortest path to a working system is the one that defers everything optional.

Order Tasks by Dependencies

Some work blocks other work. The schema must exist before the API. The API must exist before the UI can call it. A topological sort of the task graph gives a valid build order: every task appears after the tasks it depends on.

The example builds a simple project task graph and prints a valid order: design, schema, auth, api, ui, tests, deploy. Tasks with no dependency on each other (like auth and api after schema) can be done in parallel by different people.

Try It Yourself

  • Add a "marketing-site" task that depends only on "design" and rerun the sort.
  • Add a cycle and detect it (the algorithm above will not, but you can extend it).
  • Mark which tasks could run in parallel given two engineers.

Code Playground

Edit the code below and click Run to see the output. Switch between languages using the tabs.

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