PowerBI)

CGI•Dallas, TX

16h•Onsite

About The Position

CGI is looking to hire an Sr BI Reporting Developer with hands-on experience in building complex reporting using Tableau, OBIEE, PowerBI on projects for one of the largest financial institutions in US in a challenging technical environment and gain exposure of advanced tools and technology suites. This role will require someone at our client site 5 days a week in Pittsburgh, PA, Cleveland, OH, or Dallas, TX.

Requirements

Minimum 6 years of overall experience BI Reporting Tools (Tableau/PowerBI/OBIEE)
5 Years in SQL: Expert — Analytical/Window Functions, CTEs, Performance Tuning
4 Years in Tableau: Expert — Desktop, Server, Custom SQL, LOD, Dashboard Design
1 yr Python: Proficient — Pandas, NumPy, scripting & automation
1 yr PySpark / Hadoop: Proficient — Distributed processing, Big Data pipelines
1 yr Teradata: Proficient — Enterprise query development
3 yrs Data Warehousing: Expert — Dimensional Modeling, Star/Snowflake Schema, Data Marts
2 yrs in OBIEE: Proficient — RPD, Dashboards, Subject Areas
1 yr in Power BI: Working Knowledge — Report development, DAX basics
3 yrs in Oracle / DB2: Proficient — Query development and data management.
Excellent interpersonal skills include the ability to work closely with diverse personality types and understand technical issues.

Responsibilities

Design and develop complex SQL queries using advanced analytical and window functions (RANK, DENSE_RANK, LAG, LEAD, PARTITION BY, CTEs, correlated subqueries) for large-scale financial data sets.
Build and maintain Tableau dashboards and reports using Custom SQL, calculated fields, LOD expressions, and data blending across multiple sources.
Administer and manage Tableau Server — including user access, workbook publishing, performance optimization, and scheduling.
Develop and maintain Python-based data pipelines and analytical scripts using Pandas and NumPy for data transformation, validation, and reconciliation.
Work with PySpark on Hadoop/Big Data platforms for distributed data processing and large-volume ETL workloads.
Design and implement data warehouse solutions including dimensional modeling (Star Schema, Snowflake Schema), SCD strategies, and data marts.
Write and optimize queries on Teradata and Oracle environments for enterprise reporting and analytics.
Support OBIEE report and dashboard development, including repository (RPD) configuration and subject area design.
Provide advisory support on Power BI for reporting migration and cross-platform BI standardization efforts.
Collaborate with business stakeholders, data architects, and engineering teams to translate business requirements into analytical data models.
Conduct data profiling, quality checks, and reconciliation across source and target systems.