Ajith Mathiyalagan
Business Intelligence Developer
Skills & Expertise (13)
Work Experience
Associate Software Engineer
Tech Mahindra – Client: Oracle India Pvt Ltd.
Mar 2024 - Present
Migrated 200+ Tableau and 40+ SAP BO reports to Oracle Analytics Cloud (OAC), ensuring seamless functionality, visual alignment, and improved query performance. Collaborated with the product team to analyze requirements, define migration strategies, and implement optimized reporting solutions. Developed and enhanced OAC datasets using Health Data Intelligence (HDI) to align data models with healthcare KPIs and reporting requirements. Validated data accuracy and consistency in migrated reports by performing unit testing against the original reports and documented test results for reference. Enhanced report performance by 25% by using expression filters for targeted data retrieval, parameterized filters for efficient value propagation across canvases, and optimized calculations with Logical SQL parameters. Worked closely with the product team to validate and enhance semantic models (Subject Areas) by querying underlying data using SQL and logging detailed JIRA tickets for identified issues and improvements. Documented complex development scenarios and performance challenges, such as nested date calculation issues in Data Actions, to support future troubleshooting and team knowledge sharing.
Education
B.Tech in Information Technology - Anjalai Ammal Mahalingam Engineering College
2019 - 2023 · India
Certifications
Oracle Cloud Infrastructure 2025 Certified Generative AI Professional
Oracle · 2025
Oracle Fusion Data Intelligence 2024 Implementation Certified Professional
Oracle · 2025
Oracle Analytics Cloud 2024 Certified Professional
Oracle · 2025
