All skills  /  Data Science & AI

Hire a Freelance Power BI Developer

Power BI work is 20% visuals and 80% data model. A freelance Power BI developer earns their fee by building a model that answers questions correctly and stays fast as data grows, not by choosing chart colours.

Browse Services Post Your Project $20 – $90 / hour

What a freelance Power BI Developer actually does

These are the engagements that come up most often. If your project does not resemble any of them, say so explicitly in your brief — it usually means you need an adjacent skill instead.

  • Design star-schema data models that make measures simple and fast
  • Write DAX measures for period comparisons, running totals, and ratios
  • Connect and transform sources with Power Query and incremental refresh
  • Build executive dashboards with row-level security for different teams
  • Fix reports that time out or return numbers nobody trusts

What it costs in 2026

Hourly ranges seen across global freelance marketplaces. Use them to sanity-check a quote rather than as a target — a well-specified project frequently costs less at a higher hourly rate than a vague one does at a lower rate.

Entry level

$20/hr

Building experience. Good value on well-defined, low-risk work with review.

Mid level

$45/hr

Can own a feature end to end and will tell you when your plan is wrong.

Specialist

$90/hr

Deep experience, architecture decisions, and work where mistakes are expensive.

Fixed-price quotes are usually the better structure for work you can describe precisely. Hourly is safer when the scope will genuinely change as you learn — but agree a cap in writing either way.

Tools and technologies to expect

You do not need to understand these. You do need to see them appear naturally in a candidate's answers rather than only in their profile keywords.

Power BI Desktop DAX Power Query (M) Star schema modelling Row-level security Power BI Service SQL

Before you hire: a short checklist

Most bad freelance outcomes are decided before any work starts. These four checks catch the majority of them.

  1. 1 Ask to see the model behind a report, not only the report. That is where quality lives.
  2. 2 Check DAX depth — time intelligence and filter context are the real test.
  3. 3 Confirm they design for refresh performance rather than importing everything.
  4. 4 Ask how they set up row-level security for different audiences.

Questions worth asking in the interview

You are not testing whether you can follow the answer. You are testing whether the answer is specific, whether it comes from experience, and whether they are comfortable saying "it depends" and explaining on what.

“How would you model this data to keep measures simple?”

“What causes a DAX measure to be slow and how do you find it?”

“How do you handle a fact table too large to refresh fully each night?”

“How do you make sure two reports never disagree on the same number?”

Warning signs

None of these are automatically disqualifying, but each one deserves a direct question before you commit money.

  • One flat wide table for everything
  • Calculated columns used where measures belong
  • No refresh strategy for growing data

Data Science & AI services available now

Listings currently published in this category on AMFreelance.

I will build a custom machine learning model

by Kenji Tanaka  · from $799.00

Frequently asked questions

Power BI or Tableau?

Power BI if you are already on Microsoft 365 — the licensing and integration advantages are decisive. Tableau if visual exploration and analyst independence matter more than cost.

What does a Power BI dashboard cost?

A single well-built dashboard on clean data is commonly $800–3,000. Multi-source models with security roles and automated refresh run $3,000–12,000.

Why is my report so slow?

Nearly always the model rather than the visuals: a flat table, calculated columns doing measure work, or no filtering at the source. Rebuilding the model usually fixes it outright.

Related skills

Projects described as needing a Power BI Developer often turn out to need one of these instead, or as well.

Hire a Tableau Developer Hire a Data Analyst Hire a SQL Developer Hire a Data Engineer

Ready to start?

Browse published services with visible scope and pricing, or describe your project once and let freelancers come to you.