Power BI Developer, Yochana, US

Power BI Developer (SQL, DAX, ETL & Data Integration)

Location-Remote

Primary Skills:

1. Power BI, SQL Server, DAX, Data Integration
2. Minimum 8 years of hands-on experience in designing, developing, and deploying Power BI dashboards, reports, and KPIs to support enterprise business needs.
3. Strong expertise in SQL Server, including writing complex SQL queries, stored procedures, indexing, query optimization, and overall performance tuning for large datasets.
4. Advanced proficiency in DAX (Data Analysis Expressions) to implement complex business logic, calculations, and time intelligence functions in Power BI.
5. Ability to design optimized Power BI data models with effective relationships, hierarchies, aggregations, and incremental refresh strategies to ensure performance at scale.
6. Hands-on experience working with file systems and semi-structured/unstructured sources including CSV, Excel, XML, JSON, flat files, and folder-based ingestion for reporting.
7. Good understanding of Talend ETL workflows, with ability to interpret and leverage Talend pipelines as data sources for downstream Power BI models.
8. Strong data preparation and transformation skills using Power Query (M language), SQL preprocessing, and integration with multiple sources.
9. Experience in connecting Power BI to heterogeneous data sources such as SQL Server, flat files, APIs, legacy databases, and cloud storage (Azure Blob, Data Lake, AWS S3, etc.).
10. Expertise in performance tuning for Power BI reports – including query folding, optimizing visuals, aggregating datasets, and reducing refresh times.
11. Experience implementing Row-Level Security (RLS), role-based access, and scheduled refresh strategies to ensure secure and governed access to reports.
12. Ability to work with large, complex datasets from healthcare, finance, or other domains, ensuring accuracy, completeness, and consistency of reporting outputs.
13. Strong collaboration skills to engage with business analysts, data engineers, and DBAs, translating requirements into efficient reporting solutions.
14. Exposure to cloud platforms (Azure/AWS) and knowledge of integrating Power BI with services like Azure Synapse, Azure SQL, or Snowflake is an added advantage.
15. Knowledge of version control (Git), CI/CD practices, and deployment pipelines for Power BI assets in enterprise environments.
16. Excellent problem-solving and debugging abilities with a focus on delivering high-performing, user-friendly, and scalable reporting solution while ensuring compliance with organizational standards