Power BI Senior Developer
DataStaff, Inc. is currently seeking a Power BI Senior Developer for a long-term contract opportunity with one of our direct clients in Atlanta, GA.
*This position is hybrid; the candidate's first day is on-site and onsite on a on-demand basis.
Responsibilities:
1. Semantic Modeling & Data Architecture
- Design, develop, and optimize Power BI semantic models using best?practice dimensional modeling techniques (star schema, snowflake, dataflows, shared datasets).
- Build enterprise-grade datasets with proper relationships, hierarchies, calculation groups, and incremental refresh.
- Collaborate with data engineering teams to define data requirements, improve data quality, and ensure model scalability and maintainability.
- Implement data modeling standards that support self-service analytics and governed data access.
2. Advanced DAX Programming
- Develop complex DAX measures, calculated columns, and tables to support business logic, KPIs, and analytical insights.
- Optimize DAX for performance, readability, and maintainability across large datasets.
- Troubleshoot calculation issues and ensure accuracy and consistency across reports and dashboards.
- Implement row-level and object-level security (RLS/OLS) within the semantic model.
3. Visualization & Dashboard Development
- Build intuitive, visually compelling Power BI dashboards that communicate insights clearly and effectively.
- Apply data visualization best practices and data storytelling techniques to support decision-making.
- Create interactive features such as drill-throughs, bookmarks, custom visuals, and parameterized reports.
- Ensure dashboards meet accessibility, usability, and design standards.
4. SQL Development (Oracle & SQL Server)
- Write efficient, well-structured SQL queries, stored procedures, and views to support BI data pipelines.
- Perform data profiling, validation, and transformation using SQL in both Oracle and SQL Server environments.
- Collaborate with DBAs and data engineers to optimize query performance and ensure data integrity.
5. Power BI Administration & Governance
- Manage Power BI Service components, including workspaces, datasets, data gateways, refresh schedules, and capacity utilization.
- Support governance initiatives such as dataset certification, naming conventions, documentation, and version control.
- Monitor performance, troubleshoot refresh failures, and optimize dataset size and gateway performance.
- Assist with tenant-level administration, including user access, licensing, and compliance with organizational policies.
6. Collaboration & Stakeholder Engagement
- Work closely with business stakeholders to gather requirements and translate them into scalable BI solutions.
- Provide guidance and support to self-service BI users across the organization.
- Document data models, DAX logic, SQL scripts, and report specifications.
- Participate in Agile or project-based workflows to support the continuous improvement of BI capabilities.
Knowledge, Skills and Abilities:
- 5+ years of hands-on Power BI development experience.
- Semantic modeling (star schema, dataflows, composite models)
- Advanced DAX programming
- Power Query (M language)
- Power BI Desktop and Power BI Service
- Strong understanding of relational and dimensional modeling concepts.
- Ability to communicate complex technical concepts to non-technical audiences.
- Knowledge of enterprise data governance frameworks.
Required Skills:
- 4 Years - Bachelor’s degree in Computer Science, Information Systems, Data Analytics, or related field.
- 5 Years - Solid SQL development experience in both Oracle and SQL Server.
- 5 Years - IT development experience
- 5 Years - Experience with Power BI administration, including gateways, RLS/OLS, workspace governance, and capacity management
- 5 Years - Experience as an Oracle BI developer using OBIEE Semantic model (RPD), interactive reports, and dashboards
- 5 Years - Experience working with large, complex data sets in a multi-system environment
This position is available on a corp to corp basis or as a W2 position with a competitive benefits package. DataStaff offers medical, dental, and vision coverage options as well as paid vacation, sick, and holiday leave. As many of our opportunities are long-term, we also have a 401k program available for employees after 6 months.