1. Organisational Constraints intermediate

    Every change to a cross-team interface must be approved by an architecture forum that meets weekly with six 20-minute slots. About 14 requests arrive each week. Over the next two quarters, what happens to the queue and — more importantly — what happens to the designs themselves?

    3 min answer decision latencygovernancequeueingover-design
  2. Organisational Constraints advanced

    Which organisational facts would make you reject a technically sound microservices design?

    2 min answer conways-lawconstraintscognitive-loadoperating-model
  3. Organisational Constraints beginner Multiple choice

    You are designing a new order-management service for a mid-size retailer. Four facts about the organisation come up in the first week. Which one changes what you are allowed to design, as opposed to merely making the work slower or less pleasant?

    3 min answer organisational constraintson-calloperabilitydesign drivers
  4. Outcome Measurement advanced

    A CFO asks why the architecture function should be funded when it ships no features. You have five minutes. What do you say?

    2 min answer businesscommunicationvaluefunding
  5. Outcome Measurement advanced

    A marketplace wants to A/B test a change to its matching algorithm. Why is this harder than testing a button colour?

    2 min answer experimentationmarketplaceinterferencemethod
  6. Outcome Measurement intermediate

    A nine-month consolidation retired four systems and released about 0.4 FTE of support effort in each of four teams. The programme closed as a success, verified by the delivery plan. Eleven months after the business case was signed, finance reports run cost unchanged and the £1.2m annual saving nowhere in the ledger. What failed, and which decision made it possible?

    3 min answer benefitsoutcome measurementfinancedecommissioning
  7. Outcome Measurement intermediate

    A platform ships a major architectural change and declares it successful because it was delivered on time. What should have been measured?

    2 min answer outcome-measurementhypothesisevidencearchitecture
  8. Outcome Measurement intermediate

    An engineering organisation reports velocity, deployment frequency and story points. Leadership cannot tell whether the investment is working. What is missing?

    2 min answer chargebeeoutcomesmetricsdelivery
  9. Outcome Measurement advanced

    How would you determine whether a migration completed six months ago was worth doing?

    2 min answer outcomesmeasurementcounterfactualattribution
  10. Platform as a Product intermediate

    A platform team builds capabilities that teams do not adopt. What does treating the platform as a product actually require, and how is adoption measured without mandates?

    3 min answer platform-engineeringadoptionproduct-thinkingpaved-road
  11. Platform as a Product intermediate

    An internal platform is used by 11 of 40 product teams. Leadership mandates it - every team must be migrated by the end of next quarter and the alternative paths are closed. The platform team has 6 engineers. What happens over the following two quarters?

    3 min answer platform-engineeringadoptionmandatesqueueing
  12. Platform as a Product advanced

    An internal platform team's tooling is being bypassed by product teams building their own. What is the diagnosis, and what changes?

    2 min answer freshworksplatformadoptionproduct-thinking