Varadaraja Boopathi Paramasivam
Data Architect, Data Engineering @Loblaw Companies Limited
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WORK HISTORY
Data Architect, Data Engineering @Loblaw Companies Limited
EDUCATION
University of Madras
Bachelor of Science in Computer Science, Computer Science
Bharathidasan University, Tiruchirappalli
Master of Computer Applications - MCA, Computer Science and Applications
ABOUT VARADARAJA BOOPATHI PARAMASIVAM
Career Objective: To obtain a senior-level technical leadership role in cloud-based data platforms, driving scalable data architecture, advanced analytics, and AI/ML innovation.Over 20+ years of experience in designing and implementing enterprise data platforms, data engineering solutions, data modeling, and data warehousing. Proven expertise across both legacy technologies (MS SQL Server, SSIS, SSAS, MS Excel) and modern cloud ecosystems, with a strong focus on Google Cloud Platform (GCP – BigQuery, GCS, Airflow, DBT, Python, Kubernetes).Extensive experience in data engineering and platform design, including:* Designing and building scalable, distributed data pipelines * Developing robust ETL/ELT frameworks with orchestration using Airflow and transformation using DBT* Implementing data lake and data warehouse architectures (data lake, lakehouse, medallion architecture)* Data ingestion from diverse sources (APIs, streaming, structured and unstructured data)* Data quality, validation, and governance frameworks for enterprise-grade reliability* Performance tuning, cost optimization, and query optimization in BigQuery* Metadata management, lineage, and data catalog integration* CI/CD integration for data pipelines * Tokenization and detokenization for sensitive data handling* Data security and encryption practices, including PGP encryption and SHA-256 hashing* Sharding strategies for scalable data processing* Experience with BigQuery Analytics Hub for data sharing and collaboration* Prompt engineering and LLM integration* Retrieval-Augmented Generation (RAG), embeddings, and vector search* Scalable data pipelines supporting AI/ML, GenAI, and AI Agents use casesProfessional Certifications:* Google Cloud Certified – Professional Cloud Architect* Google Cloud – Prompt Design in Vertex AI* Microsoft Certified Professional (70-761: Querying Data with Transact-SQL)* ITIL V3 Foundation & ITIL V3 Expert* ECSA (EC-Council Certified Security Analyst)* COBIT 5 Foundation* PRINCE2 (Foundation & Practitioner)* Dynamic Systems Development Method (DSDM Atern) Foundation
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