Power BI Developer

ARM

Full-time computer-and-mathematical
Apply Now
Location
London, London, United Kingdom
Posted
July 26, 2026

Job Description

Power BI Developer

6-Month contract - Inside IR35 - market rate

London based - hybrid working - 3 days a week onsite

Banking sector

Role:

To design, develop and support enterprise-scale Power BI semantic models, dashboards and reporting solutions for Risk Reporting, with particular focus on semantic model architecture, automated refresh processes, partitioning, governance and performance optimisation.

Responsibilities:

Designing and developing enterprise-grade Power BI reports, dashboards and scorecards.
* Building and maintaining semantic models using dimensional modelling best practices.
* Developing advanced DAX calculations, calculation groups and optimisation techniques.
* Implementing Incremental Refresh and semantic model partitioning strategies.
* Managing large-scale datasets and optimising refresh and query performance.
* Developing and supporting Python-based processes used to trigger semantic model refresh...