• Joined the Field Engineering, Communications, and Media and Entertainment verticals.

• Provided technical support for field engineers, architects, and customers.

• Performed data warehousing, data engineering, migrations, and integrations.

• Built a revenue data mart and added a server-side subject area to the data lake.

• Managed a team and oversaw ETL monitoring, optimization, and performance tuning.

• Represented the data engineering team in the company's architecture guild activities.

Migrated a data warehouse ETL pipeline from Airflow/Redshift to Fivetran, Databricks, and Snowflake.

• Provided engineering support for data scientists.

• Designed and built a featured engineering data mart and customer 360° data lake in AWS S3.

• Designed and developed a dynamic S3-to-S3 ETL system in Spark and Hive.

• Completed various DevOps tasks included an Airflow installation, development of Ansible playbooks, and history backloads.

• Worked on a feature engineering project which involved Hortonworks, Spark, Python, Hive, and Airflow.

• Built a one-on-one marketing feature engineering pipeline in PySpark on Microsoft Azure and Databricks (used ADF, ADL, Databricks Delta Lake, and ADW as a source).

• Managed the data engineering, BI reporting, and data science teams.

• Worked as a hands-on data engineer.

• Built a data lake on AWS.

• Developed a reporting system with Redash/Presto.

• Worked on full data warehouse implementations for multiple clients.

• Provided big data training and support for consulting partners.

• Engineered and built an ETL pipeline for an AWS S3 data warehouse using AWS Kinesis, Lambda, Hive, Presto, and Spark. The pipeline was written in Python.

• Delivered data warehouses, data lakes, data lakehouses, feature marts, BI systems, migrations, and integrations.

• Worked in a full-time position, as a data architect for a transaction cost analysis system.

• Installed a four-node Apache Hadoop/Spark cluster on ITG's private cloud.

• Conducted platform POC embedding Apache Spark technology into ITG's data platform.

• Supported the development of a platform POC for Kx Kdb+; also converted Sybase IQ queries to Kdb+ Q language.

• Converted data from a legacy Oracle database to a newly designed SQL Server database.

• Wrote SQL scripts, stored procedures, kettle transformations.

• Administered two databases.

• Performed extensive data cleansing and validation.

• Managed two data warehouses and BI teams for both PriceGrabber and Shopzilla. Connexity is also known as PriceGrabber, Shopzilla, and BizRate.

• Handled operational support for the PriceGrabber data warehouse. Recovered data warehouse after the data center migration.

• Merged one data warehouse into another and retired one of them. Hands-on designed business and data integration architecture; developed data validation scripts and ETL integration code. Managed the transfer of a BI reporting system from Cognos to OBIEE and Tableau.

• Defined the technology platform change strategy for the combined data warehouse.

• Created SQL: PL SQL stored procedures, packages, and anonymous scripts for ETL and data validation.

• Completed an Amazon Redshift project.

• Worked on and completed a Cloudera Impala project.

• Oversaw the company's data services, defined the overall and technical strategy for data warehousing, business intelligence, and big data environments.

• Hired and managed a mixed on-shore (US)/off-shore (India) engineering team.

• Replatformed a data warehouse to Oracle Exadata X3/Oracle ZFS combination, added big data and machine learning components to the data warehousing environment.

• Supported 24x7x365 operations in compliance with the company's top-level production SLA.

• Wrote thousands of lines of PL/SQL, PL/pgSQL, MySQL, and HiveQL code.

• Wrote ETL scripting in Perl, Python, and JavaScript internally in Kettle.

• Worked with big data on multiple types of projects (Hadoop, Pig, Hive, and Mahaut).

• Developed a tool-based ETL for a Pentaho (Kettle) CE ETL redesign project.

• Worked on machine learning for various types of projects (Python, SciPy, NumPy, and Pandas).

• Managed a data warehouse team and project pipeline; supported operations.

• Created PL/SQL stored procedures, packages, and anonymous scripts for ETL and data validation.

• Worked on a tool-based ETL for multiple Informatica projects.

• Managed, developed, and operated a CRM data warehouse.

• Wrote PL/SQL, MySQL, and Perl code.

• Administered to a Cognos reporting system.

• Worked on C# for multiple supporting projects for the OLAP reporting system.

• Designed and developed a MSAS OLAP cube system.

• Managed a data warehouse, BI, and CRM systems.

• Assumed responsibilities over an Oracle EBS application team.

• Developed the PL/SQL coding for a data warehouse ETL and Oracle Application integration.

• Worked with SQL server for multiple Transact-SQL and analysis service projects.

• Worked on a tool-based ETL for multiple epiphany EPI*Channel projects.

• Led a practice for a consulting company covering for multiple clients.

• Developed Essbase satellite systems: relational data warehouses and data marts, reporting systems, ETL systems, CRM's, EPP's, ETL in and out of Essbase and with Essbase itself.

• Worked on multiple PL/SQL projects, by providing full support of the team's Oracle project pipeline.

• Helped to develop SQL servers for multiple Transact-SQL and analysis services projects.

• Developed a tool-based ETL for an Informatica project.

• Worked with Hyperion, Essbase, Enterprise, Pillar, planning, financial analyzers, and VBA projects.

ETL and feature engineering - personalization engine.

• Built a data platform and data lake using Fivetran, dbt, and Databricks.

• Participated in the development of a BI platform in Looker.

• Performed CI/CD deployment and operational support.