Post Job Free

Resume

Sign in

Data Etl

Location:
Pittsburgh, PA
Posted:
September 11, 2020

Contact this candidate

Resume:

Tom Jose

727-***-****

adf0h1@r.postjobfree.com

Oakmont, PA

Professional Summary:

* ***** ** ** ************ experience in analysis, design, development and testing of enterprise grade applications.

8 years of strong SQL scripting and ETL workflow testing experience in both RDBMS and Big Data environment.

Worked on ETL data validation developed using Informatica /SSIS/ Pentaho Data Integration (PDI) ETL environments

Strong data validation experience in Hadoop ecosystem, such as Cloudera distribution, Apache Oozie workflow, Hive and Impala.

Developed and executed detailed ETL related functional, performance, integration and regression test cases, and documentation

Experienced in an Agile environment and team focusing on sprint by sprint deliveries.

Worked with end users to formulate and document business requirements.

Strong knowledge on ETL and BI processes

Worked on Data Analytics and BFS domains.

Exposure of working closely with Customers, Stake Holders and Client Partners.

Working knowledge of Defect management process, Risk Framework and Mitigation, and Enterprise Testing standards

Strong problem solving and technical skills coupled with clear decision making.

Technical Skills:

Databases

MS Sql, Oracle 11g, Netezza

ETL and BI Tools

SSIS, SSRS, Pentaho Data Integration (PDI), Informatica

Manual Testing

Functionality testing, GUI testing, Integration testing, Regression testing, system testing, Bugzilla

Platforms

Linux, Windows

Scripting Languages

Unix shell scripting

Big Data Ecosystems

Cloudera cloud data platform, HDFS, Hive, Impala, Pentaho Data Integration(PDI), Oozie

Professional Experience:

Organization

Duration

Tata Consultancy Services,

2011 – 2020

Ernst Young, Kerala, India

2010 – 2011

Work Experience:

Project I: Digital Advertisement Rating

Employer: Tata Consultancy Services, India

Client: Nielsen Corporation, USA

Role: ETL and Big data Testing Lead

April 2017 – July 2020

Gross Rating Point calculation for advertising campaigns in digital media such as Desktop computers, Mobiles, Tablets, etc. Data arrives from various providers and Panelists. Then after scaling with complex methodology, store the numbers in warehouse. The summary of results are being exported to Oracle reporting DB and shared to stakeholders through different reporting tools.

Responsibilities:

Understand the analytical methodologies to generate test cases to validate the results from each statistical methodologies

Worked with Hortonworks Distribution and Cloudera Distribution.

Performed data analytical testing for the BI systems

Created analytical SQL scripts to validate data between Netezza and Hive.

Validation of data transformations and perform End-to-End data validation for ETL & BI systems

Analyze and understand the ETL workflows developed with Oozie in HDFS cloud system

Generate UNIX shell scripts to manipulate test data and move data from different environment to meet the testing requirements.

Experienced in Agile Methodology and expertise in JIRA software

Design, develop, and test processes for extracting data from legacy systems, production databases, Hadoop, and Open Source platforms

Team size: 6

Technologies Oracle 11g, Netezza, Cloudera, Hive, Apache Spark, Tibco, Shell Script.

Project II: Data Integration and Disaster Recovery

Employer: Tata Consultancy Services, India

Client: JPMorgan Chase, USA

Role: ETL Tester, Big data Functional Tester

2015 – 2016

Being a financial services major, this critical business continuity plan - Disaster Recovery Implementation was to switch to another active data center in case of a disaster. Implemented Control Failover to swap between clusters.

Responsibilities:

Framed the basic design of Disaster Recovery system based on customer inputs

Designed the different approaches for HBase Replication due to their data complexity; and implemented the most suitable approach

Addressed the testing concern of synchronizing the current Production system with DR, in terms of reference & operation metadata

Integrated DR system well with other attached systems (Process orchestration engine and ETL jobs)

Tested Control Failover, to swap between the clusters

Created ETL test cases to validate data between upstream and downstream systems using PDI and Hive Queries (HQL).

Took the ownership of Unit Testing, SIT and ITSM Test Plan documents for UAT

Has been involved in client reviews for test plans and deployment plans

Team Size: 2

Technologies: Shell Script, HBase, Hive, Pentaho Data Integration (PDI).

Project III: Columbia Integration

Employer: Tata Consultancy Services, India

Client: Ameriprise Financial, USA

Role: ETL Tester

2011 – 2015

This project was to integrate asset management reports from their recently acquired bank, to the source bank, using Informatica and MSBI technologies.

Responsibilities:

Provided test case inputs and assisted with production validations

Performed ETL testing using Informatica (Power Center/ Power Mart) (Designer, Workflow Manager, Workflow Monitor and Server Manager)

Strong in ETL data validation developed using Informatica / SSIS ETL environments

Exposure to DB tools: Toad/ PL SQL developer/SQL Plus

Strong in BI report validation developed using SSRS BI

Designed and developed ETL test cases, scenarios, and scripts to ensure quality Data warehouse / BI applications

Experienced on ETL automation tool – QuerySurge

Developed process flows and documentation

Team Size: 5

Technologies: MSBI, INFORMATICA

Project IV: Info-web Application (Internal Financial Application)

Employer: Ernst Young, India

Role: Application Support Engineer

2010 – 2011

Info-web Application is an internal financial application, supported 24*7, and built on .Net and MS SQL. Provided level 2 production application support, based on strict SLA.

Tools: SSRS, SQL Server 2008 R2

Educational Qualification:

Master of Computer Applications (MCA)

Bharathiar University, Coimbatore, Tamilnadu, India

Visa:

H4 EAD valid until August 2022.



Contact this candidate