SELVA DIVYA THANKAVELU
McKinney
Summary
Experienced in leading large-scale HR and financial data migrations to Workday HCM. Specializes in SQL-driven data transformation, script optimization, and implementing robust reconciliation frameworks. Known for enhancing data accuracy and reducing load errors, resulting in streamlined implementation timelines.
Overview
15
15
years of professional experience
Work History
Workday Integration / Data Conversion Analyst
Bapon Technologies Inc
McKinney, TX
07.2021 - Current
- Led end-to-end data conversion for core HCM objects including worker, position, compensation, benefits, cost center, and organizational hierarchies into Workday HCM.
- Extracted and transformed legacy HR data from Microsoft SQL Server and enterprise systems into Workday EIB templates.
- Directed full mock conversion cycles to validate extraction, transformation, and load processes.
- Developed automated SQL-based reconciliation frameworks to compare legacy ERP data against Workday tenant loads.
- Designed stored procedures to process and manage large employee datasets efficiently.
- Consolidated complex SQL extraction scripts into optimized single-run warehouse scripts.
- Built advanced and matrix reports within Workday to validate post-load data integrity.
- Partnered with HR, payroll, and finance stakeholders to define data mapping logic and transformation rules.
SQL Developer / Data Migration Engineer
Klerade LLC
07.2019 - 06.2021
- Developed and supported PeopleSoft HRMS and Financials data conversion and integration processes.
- Migrated employee, payroll, and financial data from legacy systems into PeopleSoft modules.
- Designed and optimized Application Engine programs, SQR reports, and PeopleCode logic.
- Built and maintained PeopleSoft queries and integration interfaces for data validation and reporting.
- Performed data validation, reconciliation, and audit checks during implementations and upgrades.
- Supported SDLC activities including analysis, development, testing (SIT/UAT), and deployment.
- Collaborated with functional teams to troubleshoot PeopleSoft HR, payroll, and financial system issues.
Business Intelligence / SQL Developer
Ramco Systems
Chennai, India
04.2011 - 10.2014
- Developed high-performance T-SQL stored procedures to process large datasets.
- Optimized SQL query performance through advanced indexing strategies and tuning.
- Designed and implemented OLAP cubes using SQL Server Analysis Services.
- Built incremental data load frameworks using SQL Server Integration Services.
- Architected enterprise data warehouse solutions on Microsoft SQL Server.
Education
Master of Engineering - Software Engineering
Anna University
Coimbatore04-2011
Bachelor of Engineering - Information Technology
Anna University
04-2008
Skills
- Workday HCM Data Conversion
- Advanced SQL & Performance Optimization
- Script Consolidation & Data Warehouse Processing
- Legacy ERP to Workday Migration
- Data Mapping & Transformation Rules
- Mock Conversions & Cutover Execution
- Source-to-Target Reconciliation
- Workday EIB Loads & Validation
- Supervisory Organization & Cost Center Alignment
- HR, Payroll & Financial Data Domains
Languages
English – Professional
Tamil – Professional
Timeline
Workday Integration / Data Conversion Analyst
Bapon Technologies Inc
07.2021 - Current
SQL Developer / Data Migration Engineer
Klerade LLC
07.2019 - 06.2021
Business Intelligence / SQL Developer
Ramco Systems
04.2011 - 10.2014
Master of Engineering - Software Engineering
Anna University
Bachelor of Engineering - Information Technology
Anna University