I will optimise power bi semantic model

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Gareth L

About this gig

Get expert Power BI data modeling consultation to build a strong, scalable, and high-performance data foundation for your reports and dashboards. I will help you design efficient data models that improve reporting accuracy, performance, and business insights.

Services offered:

  • Power BI data model design and optimization
  • Star schema and snowflake schema design
  • Relationship setup and troubleshooting
  • Fact and dimension table modeling
  • DAX measure creation and optimization
  • Data normalization and structuring
  • Power Query transformation guidance
  • Performance tuning for large datasets
  • Troubleshooting slow or incorrect reports
  • Best practices for scalable Power BI solutions
  • Data integration strategy from multiple sources
  • KPI and business logic implementation
  • Incremental refresh and model optimization advice
  • Row-level security (RLS) setup guidance
  • Consultation for enterprise reporting architecture

What you will receive:

  • Professional consultation tailored to your business needs
  • Recommendations for improving model performance
  • Guidance on creating clean and maintainable data models
  • Solutions for reporting and visualization challenges
  • Support for improving dashboard speed and usability


Get to know Gareth L

Gareth L

Senior Business Intelligence Developer

  • FromThailand
  • Member sinceMay 2026
  • Avg. response time1 hour
  • Languages

    English
I am a Data Analytics and Visualization specialist with over ten years of experience in data mining, creating data landscapes, and driving business changes. Currently serving as a Business Intelligence Team Lead, I bring technical expertise in Power BI, ETL, and Google Cloud Platform to the e-commerce market. I have a proven record of designing analytical solutions and leading teams to provide actionable business insights.

Other Data Visualization Services I Offer