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Mahendran Ponnusamy

IT Analyst

Senior Engineer

Seattle, Washington

Section title

Mahendran Ponnusamy's Email Addresses & Phone Numbers

Mahendran Ponnusamy's Work Experience

Tata Consultancy Services

IT Analyst

February 2007 to February 2013

Chennai Area, India, Atlanta USA


Senior Engineer

Seattle, Washington


Senior Consultant - Bigdata

March 2016 to February 2019

Columbus, Ohio

Mahendran Ponnusamy's Education

Kongu Engineering College

Bachelor of Technology (B.Tech.), Information Technology

2002 to 2006

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About Mahendran Ponnusamy's Current Company

Tata Consultancy Services

Enterprise application development in J2EE, RESTful Webservices, Adobe Flex, Flex Cairngorm.

Frequently Asked Questions about Mahendran Ponnusamy

What company does Mahendran Ponnusamy work for?

Mahendran Ponnusamy works for Tata Consultancy Services

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Mahendran Ponnusamy is IT Analyst

What is Mahendran Ponnusamy's personal email address?

Mahendran Ponnusamy's personal email address is m****[email protected]

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What is Mahendran Ponnusamy's Phone Number?

Mahendran Ponnusamy's phone (206) ***-*194

What industry does Mahendran Ponnusamy work in?

Mahendran Ponnusamy works in the Information Technology and Services industry.

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Mahendran Ponnusamy's colleagues are Ethan Lieske, Jan Michaela Malonzo, Alex Macaluso, Lukas Leung, Luke Birk, Lauren Stevens, Michelle Eggleston, Keith Woelke, Laura Baker, and Lindsay Neal

About Mahendran Ponnusamy

💼 Past Experience

Education and experience in Technology:Fluent in English and Spanish.Work experience:Senior Engineer at Tata Consultancy Services, Chennai, India from February 2007 to February 2013 (6 years 1 month) Enterprise application development in J2EE, RESTful Webservices, Adobe Flex, Flex Cairngorm.Senior Engineer at Nordstrom, Seattle, Washington from March 2016 to February 2019 (3 years)• Designed and built an event streaming framework with KStreams, DynamoDb, S3 that curates, transforms and merges the events.• Built APIs to read-write to Amazon DynamoDB & AWS S3.• Implemented encryption, decryption and re-encryption of data while at rest and in fly using AWS encryption SDK.• Designed and built data lineage framework for the incoming events and for the entire pipeline.• Performance tuning of applications by improving the partitioning strategy in spark applications.• Written end-to-end testing framework that runs as of Cl/CD.• Written Kubernetes (K8s) configurations for deployment.• Written terraform script for the automated deployment as part of CI/CD.Senior Consultant - Bigdata at ICC from March 2016 to February 2019 (3 years) in Columbus, OhioClient: Chemical Abstracts ServiceRole: Lead Bigdata Developer• Built a content acquisition framework in Apache NiFi to ingest data from S3 & Unix file system into Hadoop.• Designed, Coded and Tested batch and streaming applications in Spark that reads data from Kafka, HBase & HDFS (batch) curate, transform, capture metrics, generate events and then write the transformed/curated data to HDFS/HBASE/Solr in Avro/SequenceFile formats as required.• Designed and implemented event generation framework to capture metrics at different levels during data flow and transformations in the ecosystem for auditing.• Designed and implemented backup and disaster recovery in the Hub-Spoke architecture ecosystem. Identified as a SME for backup and recovery by the team.• Ensured code coverage by writing unit tests using Kafka Test Servers, HBase Testing Utility, HDFS Mini Cluster, Apache curator TestingServer for Zookeeper, EmbeddedSolrServer, FunSpec/FunSuite, Spock and PowerMock.• Written integration tests and smoke test framework as part of the build and continuous integration that uses client APIs like Hadoop FS, Kafka Consumer, accessing remote HBase tables, HttpSolrClient and Cloudera Manager APIs to get remote cluster configurations.• Written DSLs in Jenkins to automate the build and deploy process.Consultant - Bigdata @ Cardinal Health, Inc. at ICC from February 2014 to February 2016 (2 years 1 month) in Columbus, Ohio Area• Designed and Built low-latency data pipelines

🎓 Education

Mahendran Ponnusamy's education has been Proficient in various Information Technology faculties at Kongu Engineering College from 2002 to 2006. he has also done his Pre-University studies at A. P. J. Abdul Kalam Shikshankar College for boys from 1998 to2002. After his undergraduate studies, he worked as an Informatician with a Private Company in 2006. Afterwards, he has passed the Indian Institute of Technology (I.T.) -Madras (IIT-M) I.T. Examination in July 2009 and became an I.T. Consultant with a Public Sector Company in December 2009.

💡 Technical & Interpersonal Skills

Mahendran Ponnusamy has a long experience in development and software evolution, having worked in several industries such as IT, big data, and storage. As a senior engineer at Tata Consultancy Services in Chennai, India, he designed and built important software projects, among them a comprehensive data ingestion and transformation framework, as well as a data lineage framework to manage incoming events and entire data pipeline. At Cardinal Health, Inc. in Columbus, Ohio, he designed and built low-latency data pipelines and extracted large datasets incrementally from various sources, including SAP Hana/Teradata/Oracle/SQLServer/DB2/AS400. At Owens Corning in Greater Atlanta Area, he designed and built data ingestion frameworks using Sqoop and extracted large datasets from Teradata/Oracle/MSSQL server. He has also written Pig scripts to process billions of records, as well as HML1 and HQL-based puppet modules and manifests to automate data installation and configuration, and Hadoop Administration from July 2011 to February 2013. He is also a senior consultant at ICC from March 2016 to February 2019 and is responsible for strategy, planning, responsible for the day-to-day operations of clusters of nodes and for training of employees.

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In a nutshell

Mahendran Ponnusamy's Personality Type

Introversion (I), Sensing (S), Feeling (F), Perceiving (P)

Average Tenure

2 year(s), 3 month(s)

Mahendran Ponnusamy's Willingness to Change Jobs



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