Jahnavi Ss

BI developer with 11+ years of experience designing, building, and migrating enterprise reporting and analytics solutions using SAP BusinessObjects, IBM Cognos, Power BI, Tableau, and IBM DataStage. Led end-to-end migration of 40+ critical reports and 2 BI Universes from BusinessObjects to Cognos Analytics for a Fortune 500 financial services client, with zero disruption to business-critical reporting. Proven track record across Banking, Insurance, Airline, Telecom, and Retail domains, delivering full-lifecycle BI development from requirements gathering through testing, deployment, and production support.

Strong SQL/PL-SQL skills with hands-on experience across Oracle, SQL Server, and Teradata, building reporting models that scale to large historical datasets. Comfortable operating independently and within Agile teams; known for adapting quickly to new BI platforms and acting as the go-to migration specialist on cross-functional projects.

Senior BI Developer / BI Specialist - Vanguard / TCS

(2014-10 - 2022-06)

Team size: 4–15

• Led migration of reporting assets from SAP BusinessObjects to IBM Cognos Analytics, covering 40+ regular and monthly reports and 2 BI Universes, while keeping all business-critical reporting fully operational throughout the transition.
• Replaced BusinessObjects Universes with Cognos Framework Manager models, redesigning the underlying data model to match current business requirements.
• Administered the BusinessObjects Central Management Console and supported complex, multi-environment reporting infrastructure.
• Partnered with project managers, scrum masters, and team leads to track development status and proactively flag risks and blockers.
• Built and maintained complex Crystal Reports for application development management, and led data analysis and troubleshooting efforts to keep reporting accurate.
• Owned QA for delivered reporting solutions, ensuring software met specifications and passed thorough testing before release.
• Resolved ad hoc reporting requests from business stakeholders and translated new requirements into updated reporting models, including new Cognos 10.1.1 report development and security implementation.
• Wrote SQL to populate reporting tables, conducted requirement walkthroughs with business teams, and coordinated with the Cognos admin team on release activities.
• Participated in daily scrums and weekly development meetings as part of an Agile delivery team.

Senior Cognos Developer - QANTAS / Tech Mahindra - Australia

(2013-10 - 2014-09)

Team size: 20

• Analyzed report specifications and business requirements to design and build the Qantas Business Direct Dashboard.
• Built relational and dimensional models and OLAP cubes using Framework Manager, supporting List, Crosstab, Graph, and Cube Drill-Through report types.
• Used JavaScript to extend report functionality and improve interactivity for end users.
• Led performance tuning and testing for Cognos reports, and produced technical design and mapping documentation.
• Created impact assessments and change requests, and maintained issue logs through daily coordination with the onsite team.
• Supported the migration of legacy Cognos 7 and 8.4 applications to Cognos 10.2 across a 20-person delivery team.

Cognos Developer - Citi Bank / Mahindra Satyam - USA

(2010-11 - 2012-08)

Team size: 3

• Designed and built Customer Profitability and KPI Reporting dashboards using relational models created in Framework Manager.
• Upgraded approximately 200 reports from Cognos 8.4 to Cognos 10.1.1, validating outputs against source databases across DEV, SIT, and UAT environments.
• Built List, Crosstab, Graph, and Cube Drill-Through reports with conditional formatting, conditional blocking, and rendering variables to meet client-specific requirements.
• Created drill-through and master-detail reports linking dimensional and relational data, and migrated reporting from Oracle to Teradata.
• Delivered monthly, automated Product Management reports sourced from Account Analysis and Siebel, published to stakeholders via SharePoint dashboards.
• Redesigned the Cognos KPI Pipeline reporting experience as a new tab within the CBG Sales Platform alongside a Salesforce.com rollout, reducing clicks and giving managers visibility into pipeline status by both RM hierarchy and product level.