Projects

Take one company brief through the tools you'd use at work. Build a project, weigh a case, or follow a role from day one.

CleanDatabricks

Modeldbt

MeasureSQL

ScheduleDagster

Your tables carry from tool to tool. You finish with a written readout.

Everything in the library

5 briefs

DatabricksdbtSQLDagster

ProjectWayfriend

From invites to meetups

Wayfriend wants to know whether friends who plan to meet actually spend time together. Clean the raw events, model meetups, measure success and plan the next day of work.

5 stages · 3 hr 30 minView brief

DatabricksSQL

Case studyWayfriend

The reminder question

Denver tested reminder notifications before planned meetups. Decide whether Wayfriend should send them in every city.

3 stages · 45 minView brief

DatabricksdbtSQLDagster

JourneyWayfriend

Your first 90 days as a data engineer

You've joined Wayfriend's two-person data team. Build the meetup pipeline, answer the growth team's first question, then keep it running.

4 chapters · 8 hrSee the journey

Google SheetsSQLTableau

ProjectGreenbasket MarketOutline

The empty-shelf problem

Find the stores losing sales to empty shelves. Clean a weekly export, compare stores, and build an availability report.

4 stages · 2 hrRead outline

ExcelPower BI

ProjectNorthstar FurnishingsOutline

Profit on paper, cash under pressure

Reconcile a month of sales, costs and payments. Explain the margin gap and turn it into a finance report.

3 stages · 1 hr 40 minRead outline

Browse every brief for free. One Course opens stages in your tool. All Access opens the full path and the optional spoken readout.

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