Senior Power BI Developer

Senior Power BI Developer / BI Technical LeadLocation: Iselin, NJ (Hybrid)Senior Power BI/BI Technical Lead resource with Cognos skills.Strong Power BI, Dax, Strong in SQL and data warehousing.At least 15 years’ experience and managing large report migrations.Should have Capital Markets experience and understanding of trading, risk data.Key ResponsibilitiesLead the end-to-end migration of reporting solutions from Cognos to Power BI, including assessment, design, development, testing, and deployment.Collaborate with business stakeholders to understand reporting requirements and translate them into scalable, modern BI solutions.Perform gap analysis between Cognos and Power BI features, ensuring data integrity and functionality are preserved.Define and enforce best practices for data modeling, DAX calculations, Power Query transformations, and visualization standards.Optimize Power BI solutions for performance, usability, and governance, including security and access controls.Provide technical leadership to BI developers; mentor the team in Power BI and modern reporting practices.Develop complex Power BI reports, Dashboards. The resource should be completely hands on. He should be able to write DAX code.Work closely with data engineering teams to ensure robust data pipelines and accurate data sources for reporting.Establish and maintain documentation on migration processes, data models, and report specifications.Act as the primary SME (Subject Matter Expert) for Power BI adoption within the organization.Candidate should have capital markets experience especially in Credit risk, tradingRequired Skills & QualificationsBachelor’s degree in Computer Science, Information Systems, Data Analytics, or related field.12+ years of experience in Business Intelligence, with hands-on expertise in IBM Cognos and Microsoft Power BI.Proven experience leading BI migration projects from Cognos (or other legacy BI tools) to Power BI.Strong proficiency in Power BI Desktop, Power BI Service, DAX, Power Query, and data modeling techniques.Solid understanding of SQL and relational database concepts.Experience with data governance, security models, and enterprise-scale BI deployments.Excellent problem-solving, communication, and stakeholder management skills.Ability to lead and mentor teams, ensuring knowledge transfer and skill development.Preferred QualificationsExperience with Azure Data Platform (Databricks).Familiarity with Agile / DevOps practices for BI development.Knowledge of other BI tools (Tableau, Qlik, etc.) for comparative analysis.Certification in Microsoft Power BI (PL-300, PL-600) or equivalent.