More jobs:
BI Developer
Job in
Centurion, 0014, South Africa
Listed on 2026-10-03
Listing for:
Elite Search
Full Time
position Listed on 2026-10-03
Job specializations:
-
IT/Tech
Data Engineering, Business Intelligence
Job Description & How to Apply Below
- Design, develop, test, publish and maintain Power BI reports, dashboards, apps, datasets and semantic models.
- Build intuitive Power BI visualisations, including drill-throughs, tooltips, bookmarks, navigation, slicers and exception views.
- Develop robust DAX measures and calculation logic.
- Design scalable dimensional data models, including star schemas, fact tables, dimensions and relationships.
- Optimise DAX, Power Query, model size, cardinality and report performance.
- Implement row-level security, workspace access and report distribution.
- Manage/support deployment across development, testing and production environments.
- Monitor refreshes, usage and BI performance and investigate failures.
- Develop and optimise SQL queries, views, stored procedures and reusable data extraction logic.
- Integrate and reconcile data from databases, files, spreadsheets, APIs and business applications.
- Create repeatable ETL/ELT transformations using SQL, Power Query, dataflows or approved platform services.
- Analyse query execution and data retrieval performance.
- Document source-to-target mappings, transformation rules, dependencies and data lineage.
- Apply source-control, peer-review, change-control and production-release practices.
- Profile data and implement repeatable validation/reconciliation controls.
- Support unit, integration, regression and UAT testing.
- Investigate data discrepancies and technical BI issues and coordinate corrective action.
- Maintain technical documentation, data dictionaries, calculation definitions and release notes.
- Use version control and peer review for code, models and report changes.
- Promote reusable data products, naming conventions, development standards and a single source of truth.
- Identify opportunities for automation, AI-enabled analytics and improved BI capability.
- Keep current with Power BI, Microsoft Fabric, Copilot, Azure and related Microsoft data technologies.
- At Senior level: lead complex BI initiatives, define solution architecture, conduct code/design reviews and mentor junior/intermediate developers.
- 3-5+ years' experience as a BI Developer (duties as above) - must have
- Degree is desirable
- Advanced Excel - must have
- Experience using Power BI, SQL, DAX, Power Query - must have
- Microsoft Fabric, Copilot, Azure and related Microsoft data technologies - advantageous
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