Power BI Developer

  • Sivara GmbH
  • 21/06/2026
Full time Information Technology Telecommunications

Job Description

Salary: £28,277 - 35,345 per year

Requirements
  • Experienced Power BI Developer with deep expertise in Microsoft Power BI, including Desktop, Service, gateways and workspace management.
  • Strong skills in DAX and data modelling.
  • Experience working with large and complex data sets, writing optimised queries and understanding performance impacts.
  • Strong understanding of data warehousing concepts, star schemas, ETL/data ingestion and relational database systems such as SQL Server, Azure SQL or equivalent.
  • Experience implementing role-based security and row-level security in Power BI.
  • Good visualisation design sense, including knowledge of UX, dashboard best practices, filters, slicers, and mobile versus desktop views.
  • Familiarity with cloud platforms such as Azure, Power BI Premium or Embedded is beneficial.
  • A Microsoft Certified: Data Analyst Associate certification is advantageous.
  • Excellent collaboration and communication skills with technical and non-technical stakeholders, able to work well under tight deadlines.
  • Proactive, detail-oriented, and able to think at an executive level, translating complex data into clear insights.
Responsibilities
  • Engage with business stakeholders and Business Analysts to gather and clarify reporting requirements, KPIs, data sources and user stories.
  • Develop and maintain Power BI dashboards, reports and scorecards that deliver actionable insights across operational, tactical and executive levels.
  • Build robust data models in Power BI, defining tables, relationships, hierarchies and measures using DAX, while applying performance optimisation and refresh strategies.
  • Ensure data accuracy, consistency and integrity by reconciling Power BI outputs with source systems, data warehouses and business rules.
  • Implement role-based security, including row-level security and workspace permissions, in the Power BI service.
  • Apply visual design best practices, including layout, interactivity, filter and slicer design, performance considerations, drill-throughs and mobile-ready views.
  • Work with the Data Engineering team to ensure data pipelines, data marts and warehouses deliver appropriate and performant data.
  • Monitor and optimise report performance, including data refresh, query performance, caching and incremental loads.
  • Document technical designs, data flows, reporting specifications, user guides and training materials.
  • Conduct user acceptance testing and incorporate feedback to refine reports.
  • Support change-management and training programme by delivering training sessions, creating quick-start guides and addressing user queries during early adoption.
  • Maintain, enhance and decommission reports as required, manage a backlog of enhancements and defects, and ensure version control.
  • Stay current with Power BI features and analytics trends, and recommend continuous improvements.
Technologies
  • Azure
  • Cloud
  • DAX
  • ETL
  • Embedded
  • Support
  • Mobile
  • Power BI
  • SQL
  • Security
  • UX UI Design
About the role

This is a 12 month fixed term Power BI Developer role within our Technology & Information team, supporting the Everyday Excellence programme from our Coventry office. Work will be on an agile basis, typically 2 to 4 times per month.

We offer inclusive wellbeing benefits, flexible working opportunities and strong support for learning and career development through training programmes and professional qualifications.