POWER BI ENGINEERING

Build Power BI systems that hold up.

Architecture, semantic models, DAX, performance and modernization.

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01 / 8Star schema

Date

↓

Customers

Sales

Products

DAXQuest model · 1:* into Sales

01 — SEMANTIC MODELSee architecture

Engineering areas

MODEL

DAX

PERFORMANCE

REFRESH

GOVERNANCE

FABRIC

What we engineer

The layer under the report.

Services

Architecture

Date

↓

Customers

Sales

Products

Star-schema models that stay understandable.

Performance

Query shape

Formula Enginerow callbacks

Storage Enginecolumn scan

Find the bottleneck. Fix the model.

Modernization

PBIXPBIPTMDLGitCI/CDFabric

Move from PBIX files to an engineering workflow.

Governance

semantic modelmetricsRLSdeploymentmonitoring

Make the model easier to trust.

Selected work

Tools we built to do the work.

All work

LEARN

DAXQuest

Learn DAX through real engineering problems.

Open DAXQuest

DAXQuest · Total RevenueCtrl+Enter

Fields

Sales

SaleID · Date

Customers

CustomerID · CustomerName

Products

ProductID · ProductName

Date

Date · Year

Total Revenue =

SUM(Sales[Revenue])

BUILD

BIKit

Developer tooling for Power BI.

Explore BIKit

// semantic-model/tables/Sales.tmdl
table Sales {
    column SaleID
    column Date
    column CustomerID
    column ProductID
    measure 'Total Revenue'
        SUM(Sales[Revenue])
}

ANALYZE

powerbi.dev

Inspect semantic models locally.

Explore powerbi.dev

COLUMNUnused high-cardinality keys

DATETIMETimestamp columns that refuse dictionary encoding

RELBidirectional paths and snowflake chains

DAXMeasures inside high-row iterators

ENGINEER

Health Check

Find the problems hiding in the model.

Get a Health Check

MODEL

DAX

PERFORMANCE

REFRESH

GOVERNANCE

FABRIC

Illustrative diagnostic UI — not a scored client result.

Ecosystem

Learn. Build. Analyze. Engineer.

Tools

DAXQuestLEARNIn-browser DAX evaluation BIKitBUILDPBIP / TMDL / Git utilities powerbi.devANALYZELocal semantic-model inspection Health CheckENGINEERMetadata-only architecture review

Engineering notes

How we think about the work.

Index

Power BI Engineering Health Check

Find the problems hiding in your Power BI environment.

Metadata-only review. No business data required.

Get a Health Check

Not sure what’s wrong.

MODEL

DAX

PERFORMANCE

REFRESH

GOVERNANCE

FABRIC

Illustrative diagnostic UI — not a scored client result.

Who this is for

For teams when Power BI starts getting serious.

Power BI is getting slower.
Models are becoming harder to maintain.
Metrics don’t agree.
Your team wants Git.
You’re moving toward Fabric.

Talk to an Engineer

Already know what needs fixing.

CALCULATE(
    [Total Revenue],
    Date[Year] = 2026
)

ENGINEERING NOTES

Engineering notes for Power BI builders.

Practical ideas on DAX, semantic models, performance, Fabric, and modern Power BI development.

Build Power BI systems that hold up.

Engineering areas

The layer under the report.

Star-schema models that stay understandable.

Find the bottleneck. Fix the model.

Move from PBIX files to an engineering workflow.

Make the model easier to trust.

Tools we built to do the work.

DAXQuest

BIKit

powerbi.dev

Health Check

Learn. Build. Analyze. Engineer.

How we think about the work.

Why This DAX Measure Is Slow — and How I’d Diagnose It

I Audited a Slow Power BI Model. Here’s What Was Actually Wrong.

Why TMDL Changes the Power BI Development Workflow

Find the problems hiding in your Power BI environment.

For teams when Power BI starts getting serious.

Engineering notes for Power BI builders.