Summary
Overview
Work History
Skills
Certification
Keycoursesandtraining
Profile
Languages
Timeline
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Nisha Pillai

Round Rock,TX

Summary

Experienced ETL Lead/Architect/Data Engineer with expertise in resolving critical data issues. Leading the ETL team for the State of North Dakota, collaborating closely with clients and systems integrator partners to provide technical and business solutions. Successfully leading the DataStage migration efforts within tight project timelines and serving as a migration specialist. Mentoring team members and providing guidance for timely issue resolution and project completion. Effective in communicating source data issues, updating data models, and deploying ETL code into production.

Overview

13
13
years of professional experience
1
1
Certification

Work History

ETL Integration Lead/Architect

IBM
United States
05.2016 - Current
  • Led ETL architecture initiatives for the State of North Dakota
  • Collaborated with client and partner staff to offer technical and business assistance.
  • Accumulated extensive technical experience on projects over a span of fifteen years, including GHHS North Carolina, GHHS West Virginia, GHHS Colorado, and GHHS TennCare.
  • Utilized IBM Datastage/Informatica Power Center to design and develop intricate mappings for data extraction from flat files and RDBMS tables
  • Collaborated with subject matter experts (SMEs) and business analysts in generating comprehensive technical design documents aligned with functional requirements
  • Provided knowledge transfer and mentoring to client staff
  • Managed and distributed workload efficiently among team members.
  • Mentored and supported team members in debugging ETL coding issues.
  • Developed efficient tools and templates to optimize development work
  • Deployed hybrid model using Azure Cloud and optimized the Snowflake database for efficient management of tables from 5 different systems
  • Mentored colleagues to address and solve SQL and source data problems
  • Coordinated with source team and business analysts to address complex source data problems
  • Designed CDC architecture and integrated it for MMIS incremental loads using STRIIM integration tool
  • Collaborated with STRIIM developers to successfully implement Changed Data Capture (CDC) for historical loads.
  • Led ETL team in designing Aure Data Factory pipeline for loading data from various client source systems.

Senior ETL /Informatica Developer

Accenture
Austin, TX
01.2015 - 04.2016
  • Developed ETL process to extract, transform and load data from Oracle database into the Data Warehouse using Informatica PowerCenter.
  • Used Performance tuning techniques such as Partitioning technique and Bulk Loader options available within Transformations section while developing Mapping logic .
  • Designed complex transformations using various transformation objects like Joiner, Lookup, Aggregator, Sorter in Informatica PowerCenter.
  • Implemented error handling logic for failed ETL loads using error log tables in Oracle Database or flat files generated by Informatica PowerCenter.
  • Migrated existing code base from lower version of informatica to higher version.
  • Developed shell scripts to schedule the execution of ETL jobs through Cron scheduler on UNIX platform.

ETL Developer

Tokio Marine Management
New York, NY
01.2012 - 05.2014
  • Assisted BI Developers in building cubes utilizing extracted transformed data from Data Warehouse.
  • Optimized queries by analyzing query plans using SQL profiler tool.
  • Monitored performance of the ETL processes by creating log files with SSIS logging features.
  • Evaluated source systems data quality and identified opportunities for improvement.
  • Performed unit testing of all the mappings developed in the ETL layer before delivering it to production environment.
  • Worked closely with Business Analysts, System Analysts, Data Architects in gathering requirements for developing ETL solutions.
  • Involved in creating database objects such as tables, views, indexes based on business requirements.
  • Developed ETL packages to extract, transform, and load data from multiple sources into a data warehouse.

ETL Lead/Architect /Data Engineer

State of North Dakota
  • Leading the ETL team for the State of North Dakota working closely with client and systems integrator partner staff to provide technical and business solutions
  • Leading the DataStage migration efforts under tight project timelines and additionally playing the role of migration specialist for the same
  • Expertise in resolving critical data issues with MMIS source
  • Actively involved in mentoring team members and helping them debug ETL code issues
  • Provide technical solution and guidance to the business and peers for resolution of issues in timely manner and expected project timelines
  • Working with end client in communicating all source data issues, updating the data model /database and deploying ETL code into Prod.

ETL Lead/Sr Developer

Tenncare
  • Lead ETL team in development of ETL code to load the Tenncare data using STRIIM integration tool and Azure Data Factory
  • Developed the TQL in STRIIM for 300 tables and deployed the same in Development environment
  • Mentored the migration of the ETL code to Devops after successfully unit testing the deployed code
  • Designed the logic in Azure data factory for MCO Attribution, Edison and MCO Invoice files using a universal pipeline that can be used for various types of file formats
  • Completed development in short time span using Azure Data Factory and STRIIM compared to traditional ETL tools like Datastage that take more time and infrastructure
  • Deployed multiple tables in Snowflake independently with continuously changing layouts from the client
  • Worked on a completely new cloud environment transitioning from on premise data warehouse in a short span.

ETL Lead/Architect for IRL Module

State of North Carolina
  • Involved in the design and implementation of enhancements and customizations of the IRL Datawarehousing System
  • Involved in the following tasks such as development and unit testing code enhancements, PEER review of ETL data stage code before deployments to various environments co-ordination with the Data Architect and DBA teams that helped in the smooth transition of the project to the Prod environment as per expected timelines.

ETL Architect

State of West Virginia JSURS
  • Played active role in design, development and deployment of the Jsurs module comprising of complex business rules for end to end development of the Reference data module for end client
  • Migration of the code to all environments in a tight timeframe makes it more challenging to deliver the module as per timeframes
  • Multiple design enhancements had to be met in constringent timeframe
  • However ETL team succeeded to deliver the module with utmost deligence.

Skills

  • ETL Tools: Azure Data factory, Datastage, Informatica, STRIIM
  • Database: SnowFlake, SQL Server, Oracle
  • Cloud tools: Azure, AWS
  • Requirements Gathering
  • Performance Optimization
  • Business Analysis
  • Continuous integration
  • Data Modeling
  • Continuous deployment
  • Technical leadership
  • Training and mentoring
  • Software Development Lifecycle
  • Emerging technologies research

Certification

  • IBM Garage Foundation
  • Microsoft Certified: Azure Fundamentals
  • IBM Watson and Cloud Foundations
  • Snowflake Handson Essentials Issued by Snowflake
  • IBM Cognitive Practitioner Badge
  • IBM Design Thinking Practitioner

Keycoursesandtraining

  • IBM Badges:
  • Watson and Cloud Foundations
  • Enterprise Design Thinking-Team Essentials for AI
  • Cognitive Practitioner
  • IBM Garage Essentials
  • IBM Garage Foundations
  • Enterprise Design Think Practitioner
  • IBM Trainings:
  • Google Professional Cloud Solution Architect
  • Azure Certified Data Engineer
  • Snowflake Data Engineer

Profile

  • ETL Lead/Architect /Data Engineer, State of North Dakota, North Dakota, Leading the ETL team for the State of North Dakota working closely with client and systems integrator partner staff to provide technical and business solutions. Leading the DataStage migration efforts under tight project timelines and additionally playing the role of migration specialist for the same. Expertise in resolving critical data issues with MMIS source. Actively involved in mentoring team members and helping them debug ETL code issues. Provide technical solution and guidance to the business and peers for resolution of issues in timely manner and expected project timelines. Working with end client in communicating all source data issues, updating the data model /database and deploying ETL code into Prod.
  • ETL Lead/Sr Developer, Tenncare, Lead ETL team in development of ETL code to load the Tenncare data using STRIIM integration tool and Azure Data Factory. Developed the TQL in STRIIM for 300 tables and deployed the same in Development environment. Mentored the migration of the ETL code to Devops after successfully unit testing the deployed code. Designed the logic in Azure data factory for MCO Attribution, Edison and MCO Invoice files using a universal pipeline that can be used for various types of file formats. Completed development in short time span using Azure Data Factory and STRIIM compared to traditional ETL tools like Datastage that take more time and infrastructure. Deployed multiple tables in Snowflake independently with continuously changing layouts from the client. Worked on a completely new cloud environment transitioning from on premise data warehouse in a short span.
  • ETL Lead/Architect for IRL Module, State of North Carolina, North Carolina, Involved in the design and implementation of enhancements and customizations of the IRL Datawarehousing System. Involved in the following tasks such as development and unit testing code enhancements, PEER review of ETL data stage code before deployments to various environments co-ordination with the Data Architect and DBA teams that helped in the smooth transition of the project to the Prod environment as per expected timelines.
  • ETL Architect, State of West Virginia JSURS, West Virginia, Played active role in design, development and deployment of the Jsurs module comprising of complex business rules for end to end development of the Reference data module for end client. Migration of the code to all environments in a tight timeframe makes it more challenging to deliver the module as per timeframes. Multiple design enhancements had to be met in constringent timeframe. However ETL team succeeded to deliver the module with utmost deligence.

Languages

English, Fluent

Timeline

ETL Integration Lead/Architect

IBM
05.2016 - Current

Senior ETL /Informatica Developer

Accenture
01.2015 - 04.2016

ETL Developer

Tokio Marine Management
01.2012 - 05.2014

ETL Lead/Architect /Data Engineer

State of North Dakota

ETL Lead/Sr Developer

Tenncare

ETL Lead/Architect for IRL Module

State of North Carolina

ETL Architect

State of West Virginia JSURS
  • IBM Garage Foundation
  • Microsoft Certified: Azure Fundamentals
  • IBM Watson and Cloud Foundations
  • Snowflake Handson Essentials Issued by Snowflake
  • IBM Cognitive Practitioner Badge
  • IBM Design Thinking Practitioner
Nisha Pillai