Raj Kartha
Verified Expert in Engineering
Data Engineer and Developer
Phoenix, AZ, United States
Toptal member since June 12, 2024
Raj is an enterprise data engineer and consultant with 20+ years of experience driving large-scale projects spanning multiyear planning and delivery. He also has hands-on experience in human capital management (HCM) and data management and architecture. At American Express, Raj won the 2014 Chairman's Award for delivering an ITIL data warehouse and integrating ServiceNow. As a dynamic people leader, he also managed large, geographically dispersed teams and identified and mentored future leaders.
Portfolio
Experience
- SQL - 20 years
- Data Management - 20 years
- Data Architecture - 15 years
- Data Governance - 15 years
- Data Quality Governance - 15 years
- Workday Prism Analytics - 4 years
- Workday Analytics & Reporting - 3 years
- Oracle Fusion HCM - 1 year
Availability
Preferred Environment
Enterprise Data Management (EDM), Data Warehousing, Data Integration, Data Lakes, Applications, Leadership, Workday HCM, Machine Learning, Delivery, Oracle Fusion HCM, Workday Prism Analytics, Implementation, IT Strategy, Strategy Development, Data Governance, Data Quality Governance, Data Enablement, Data Archiving, Data Acquisition (DAQ)
The most amazing...
...thing I've achieved is the 2014 American Express Chairman's Award for delivering an IT Infrastructure Library (ITIL) data warehouse and integrating ServiceNow.
Work Experience
Senior Manager
CVS Health
- Built Workday Prism Analytics platform-based data solutions.
- Developed data solutions integrating external and Workday data for incentive plans.
- Led a team to provide data solutions on the Workday Prism platform.
Senior Consultant
Wimoku
- Led a team to deliver tasks, implemented the HCM software, and built the data architecture.
- Handled inbound and outbound integration, configuration, and data requirements.
- Created Oracle BI Publisher (BIP) and hardware compatibility list (HCL) extract reports and handled Oracle HCM Data Loader (HDL) integrations.
- Configured the organizational hierarchy. Handled reference data sets and attributes like workforce structure extensible flexfields (EFF) and descriptive flexfields (DFF).
Director | Enterprise Data Architecture & Reporting
RGP
- Implemented the Workday HCM, owned the Prism platform, and led on-premise and cloud data infrastructure capabilities. Created positions to hire managers in the supervisory organization, developed calculated fields, and handled performance tuning.
- Built the organizational strategy and information architecture for CRM, talent, HCM, professional services automation (PSA), and finance.
- Devised a blueprint to create a supervisory organization and add company, cost center, and employee modules. Handled inbound and outbound integration.
- Created rule-based steps in business processes to implement workflow. Worked closely with administrators to build a security group blueprint. Built custom reports, including advanced, matrix, and composite types, based on the requirements.
Enterprise Data Architect | Individual Contributor
Spear Education
- Architected the end-to-end enterprise data warehouse (EDW) and engineered the ML feature using R. Worked closely with senior leadership to set threshold values for critical features and deliver a 3-year data strategy.
- Transformed the data space by implementing the data lake and architecture, master data management (MDM) and governance process, and data models. Built a data warehouse strategy integrating NetSuite, Strikedeck, HubSpot, and custom-made applications.
- Integrated with data providers from marketing, web analytics, and consumer metrics. Led the development team to build user stories and processes to synchronize customer information. Integrated the customer MDM to all critical operational systems.
- Created and productionized ML use cases, including F1, recall, precision, and accuracy scoring of customer churn and patient matching. Built random forest (RF), logistic regression, decision tree, and TensorFlow-based RF models.
Business Data Architect & Engineer
American Express
- Developed and managed multiple business initiatives, projects, and programs, leading the overall data quality and integrity across ServiceNow platforms and ITSM processes. Owned data architecture deliverables and participated in the SDLC.
- Led the enterprise data architect and delivery teams as part of the global infrastructure team and as an ITSM individual SME. Planned, documented scope, and estimated work effort, producing quality deliverables on time and within budget.
- Consulted on data architecture topics and solutions and Amex technology best practices, processes, and standards. Advised technical partners, including VPs, on the delivery of data and ITIL service process modeling.
- Defined and maintained enterprise MDM and line of business data architectures, data standards, strategies, and guidelines. Supported a portfolio of regional and global development projects as part of a team of data management professionals.
Lead Technical Architect
American Express
- Won the 2014 Chairman's Award. Created and implemented a data strategy and enterprise reporting solution for ITIL processes using ServiceNow, including service-level management (SLM) processes. Negotiated with multiple vendors for service data.
- Led the business and technology team to develop use cases for analytics. Collaborated with business partners, other internal functional groups, and outside vendors to ensure the successful delivery of solutions.
- Drove the development and implementation of an SLM EDW, data governance, and MDM strategy. Negotiated deliverables with internal partners and external vendors and developed a reporting solution for ITIL-based process management.
- Owned the platform's end-to-end DevOps progress measure metrics.
Experience
Workday HCM
Availability Data Warehouse
Education
Bachelor's Degree in Chemistry
Mahatma Gandhi University - Kerala, India
Certifications
Communicating and Negotiating with a Global Mindset
Thunderbird School of Global Management
Skills
Tools
Tableau, Tumbleweed, Matillion ETL for Redshift, Informatica ETL
Languages
SQL, R, Python
Paradigms
ETL, Agile
Platforms
Workday Prism Analytics, Oracle Fusion HCM Analytics, Workday Analytics & Reporting, Utmost, Salesforce, Apache Pig
Storage
Redshift, ER/Studio Data Architecture, MongoDB, Amazon S3 (AWS S3), Data Integration, Data Lakes, Apache Hive, SQL Server Integration Services (SSIS), Microsoft SQL Server, HBase, HDFS
Frameworks
.NET, Hadoop
Other
Data Management, Data Governance, Data Quality Governance, Data Architecture, Enterprise Business Architecture, Workday HCM, Data Analysis, Data Engineering, Workday, Communication, AWS Cloud Architecture, Avature, Oracle Fusion HCM, Enterprise Data Management (EDM), Applications, Machine Learning, Delivery, Leadership, Data Warehousing, IT Strategy, Strategy Development, Implementation, Data Enablement, Data Acquisition (DAQ), Data Archiving, MicroStrategy, Informatica, ServiceNow
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