Senior Power BI Developer(Tableau Experience Mandatory)

Spark Tek Inc
  • Owings MIlls, MD
  • Quick Apply
26 days ago

Job Description

Minimum 5+ Years of Recent Experience in Tableau is Mandatory

Roles and Responsibilities:

  • Design, develop, and maintain reports and dashboards in Tableau and Power BI for operational and executive audiences.
  • Write and optimize complex SQL queries for data extraction, aggregation, joins across large datasets, and performance tuning.
  • Connect and integrate multiple data sources (databases, APIs, flat files, enterprise platforms) into unified reporting datasets.
  • Build and maintain scripted data normalization and transformation pipelines (e.g., Python) to standardize, cleanse, and reconcile data from disparate systems.
  • Aggregate data across domains to produce consistent, reliable metrics and KPIs.
  • Apply data visualization best practices to make complex data intuitive — right chart for the right story, clean layouts, drill-down paths.
  • Partner with business and technology stakeholders to gather reporting requirements and translate them into scalable reporting products.
  • Automate recurring manual reporting processes to improve speed, consistency, and scalability.
  • Validate data quality and investigate discrepancies across source systems; document data lineage and reporting logic.
  • Strong SQL skills — complex joins, aggregations, window functions, query optimization.
  • Proven hands-on experience building dashboards in Tableau and Power BI.
  • Experience aggregating data and connecting multiple data sources into consolidated reporting datasets.
  • Experience with script-based data normalization and transformation (Python or similar).
  • Solid understanding of data visualization principles and dashboard design best practices.
  • Ability to work with stakeholders to translate business questions into reporting requirements.

Strong attention to detail and commitment to data accuracy

Numbers & Facts

LocationOwings MIlls, MD

Skills

  • Application Programming Interface (API)unmatched
  • Best Practicesunmatched
  • Data Collectionunmatched
  • Data Qualityunmatched
  • Data Setsunmatched
  • Data Visualizationunmatched
  • Detail Orientedunmatched
  • Metricsunmatched
  • Performance Metricsunmatched
  • Performance Tuning/Optimizationunmatched
  • Power BIunmatched
  • Process Improvementunmatched
  • Python Programming/Scripting Languageunmatched
  • Query Optimizationunmatched
  • Reconciliationunmatched
  • Reporting Dashboardsunmatched
  • Requirements Managementunmatched
  • SQL (Structured Query Language)unmatched
  • Scripting (Scripting Languages)unmatched
  • Tableauunmatched

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