Senior Data Engineer at Citibank

Participated in the development and implementation of a scalable migration strategy from on-premises Hadoop/Hive to AWS Snowflake, leveraging microservices architecture and API-driven workflows to improve cloud-native application development and data processing efficiency. Analyzed existing AML processes, Hive data models, ETL jobs, and data sources to optimize Snowflake objects and pipelines, reducing processing time and storage costs. Designed and implemented data ingestion, ETL/ELT, and data validation workflows using Snowflake, dbt, and AWS services with strong data quality controls. Administered Snowflake roles and privileges, onboarded new users, and maintained data source mappings, S3 buckets, Snowpipes, stages, and schema configurations. Prototyped PySpark transformations to improve reconciliation accuracy and processing performance. Contributed to GRC-related workstreams by modeling risk data and supporting data governance activities.

Data Architect / DB Engineer (GRC Platform) at Citibank

Designed and implemented database functionalities for Management Control Assessment and Risk Scoring applications; led database modeling for Risk Control Reference Library and Controls Inventory modules within Citi's Target State GRC initiative. Developed data dictionaries, ETL/ELT pipelines, and encrypted data integrations to ensure security and integrity. Contributed to Master Data Management (MDM) strategies and prototyped Neo4J graph database solutions for exploratory evaluation. Provided SQL optimization training to junior developers.

Data Engineer at Immigration, Refugees and Citizenship Canada

Developed and optimized data extraction and preparation processes supporting advanced analytics, statistical modeling, and machine learning. Curated datasets for prescriptive and predictive modeling, ensuring data quality and consistency. Designed efficient data pipelines for collection, cleansing, transformation, and quality assurance for analysts, data scientists, and ML engineers.

Technical Architect Database / Informatica at Health Canada, IMSD

Designed end-to-end data architecture for the NHPID system, migrating legacy data to a modern Oracle 19c-based infrastructure. Built and orchestrated high-volume ETL pipelines using Informatica PowerCenter with embedded IDQ rules for automated validation. Established enterprise data governance with security policies, naming standards, and data quality framework to meet regulatory and data-sharing requirements. Modernized release lifecycle by integrating database change management into CI/CD pipelines and led production readiness with SQL training for junior staff.

Senior Database Administrator at Agriculture Canada, CFIA

Provided DBA support for enterprise databases including backup/recovery, installation, patching, monitoring, performance tuning, cloning, data masking, and encryption. Supported Oracle, MS SQL, and MySQL environments across Linux and Windows platforms.

Data Architect at Natural Resources Canada, OEE

Provided technical leadership for GoC Green Energy projects, implemented multi-domain MDM solutions and enterprise data integration, driven migration and conversion strategies. Designed data pipelines, cleaning, encryption, and access control processes; led system production rollout. Mentored team members on architecture, programming, and SQL optimization.

Senior Database Engineer at City of Toronto, Public Health (TPH)

Participated in the design and development of the TCHIS system, focusing on database design, development, optimization, and implementation. Managed access controls, security audits, backup/recovery, patching, encryption, and troubleshooting; ensured compliance with PIPEDA and PHIPA; oversaw production delivery and ongoing support.