Subramanian Karuppiah
Celina,TX
Summary
Over 20 years of software industry experience with a concentration in data and cloud platforms. Developed custom ETL tools and data pipelines, enhancing analytics and data quality. Proven success in implementing real-time solutions, achieving significant cost savings for organizations.
Overview
22
22
years of professional experience
1
1
Certification
Work History
Solutions Architect
Elevance Health
09.2022 - Current
- Working as a Solutions Architect to support various initiatives within Elevance Health
- Built an in-house MDM system with micro seconds response time for real time calls and saved $1M / annum
- Supported microservice architecture for live calls, ensuring reliable and scalable communication across the organization.
- Developed custom data pipeline tool for loading data into Salesforce and other data warehouse systems, streamlining data integration.
- Contributed to development of Carelon Pharmacy Data Lake initiatives, improving data accessibility and usability for stakeholders.
- Created multiple reporting layers for customers, delivering comprehensive data insights to inform decision-making.
- Environment: Java, Microservices, Python, Spark, Kafka, Hive, Postgres, Oracle, Redshift, Snowflake, Shell Script, Kubernetes, Tableau, Git, Confluence, Jenkins, AWS S3, Lambda, Glue, AWS Cluster, GCP
GCP Cloud Architect
Equifax
Atlanta, GA
08.2020 - 08.2022
- Provided architectural guidance to data prep team, ensuring alignment of projects with cloud standards.
- Streamlined incoming data ingestion process through implementation of DataPrep streaming solutions, improving data flow efficiency.
- Developed streaming applications for diverse data processing use cases.
- Utilized Java, Google Cloud, BigQuery, Bigtable, Apache Beam, Dataflow, and Spring Microservices in development.
- Ensured data security and governance compliance across projects.
- Processed raw contributor data through grouping, indexing, standardization, cleansing, validation, and toll-dating to improve quality assurance.
- Collaborated with teams using Jira, Confluence, and Jenkins to streamline project management.
Lead Architect
Express Scripts
Minneapolis
01.2019 - 07.2020
- Led team in designing and implementing specialty products to support data science initiatives.
- Built streaming applications using Scala, Kafka, Spark, Phoenix, Hbase, and Hive.
- Conducted proof of concept for AWS cluster migration, improving data processing capabilities.
- Executed transformation to migrate data from traditional storage systems to Hadoop systems as part of specialty team at Express Scripts.
- Provided production support and executed cluster upgrades while overseeing CI activities for system reliability.
- Environment: Java, Scala, Spark, Hbase, Phoenix, Hive, HDFS, Kafka, Cloudera, Teradata, Oracle, Jenkins and Git
Big Data Lead / Architect
Macys Technologies
Atlanta
05.2018 - 01.2019
- Led data set migration and transformation initiatives as Big Data Lead / Architect, achieving seamless integration and data accuracy.
- Drove acquisition of valuable data to establish a single version of truth for the enterprise, consolidating online and store data.
- Built Streaming as well as Batch applications using Kafka, Spark, Hbase and Hive
- Executed initial data load from various source systems to Google Cloud using Infoworks ETL tool, contributing to core team managing Google data migration process.
- Environment: Java, Spark, Hive, Elastic Search, Kibana, HDFS, Kafka, Google Cloud, Big Query, Infoworks, Column propagation, Hortonworks Cluster and Azure Data Lake Service
Architect cum Lead
Altice USA
New York
01.2014 - 04.2018
- Led migration of on-prem legacy systems to cloud-based hadoop ecosystem, enhancing scalability and accessibility.
- Oversaw multiple data migration projects, ensuring seamless transition to cloud infrastructure.
- Developed Kafka consumer, Storm UI server, Hbase, and Hive metrics for comprehensive data flow monitoring across hadoop ecosystem.
- Worked on building many APIs to connect the cluster and get the monitoring metrics.
- Created alert mechanism to notify stakeholders of critical data flow thresholds, enabling prompt response to issues.
- Developed in-house data security framework to enhance protection of sensitive information.
- The purpose of this product is to have a monitoring framework for Altice Hadoop Distributed System.
- Environment: Java, Kafka, Storm, Hbase, Hive, Postgres Database, Shell script, Jenkins, Eclipse
Java Lead
Wells Fargo
IA
08.2011 - 08.2013
- Led development of Prepaid Mortgage application, streamlining loan application process from initiation to funding.
- Managed loan application lifecycle, optimizing processing from initiation to funding.
- Technologies used: JDK 6.0, GWT, Google Guice, Spring 3.0, Struts, EJB3.x, EMF, Hibernate 3.2, SOA Web Services, WSDL, SOAP, XML, XSD, AJAX, CSS, JavaScript, JQuery, IBM Lombardi Teamworks BPM Tool, Oracle 11g, TOAD 7.1, JBoss 7.0, Eclipse, Maven, TestNG, SVN, JIRA, Agile, Web Builder, Windows 7
Senior Java Lead
GlaxoSmithKline (GSK)
Philadelphia, PA
03.2009 - 08.2011
- Coordinated twenty-member offshore team to achieve project objectives on time and within budget.
- Prepared functional and technical specification documents.
- Enhanced product functionality in Sterling Web and Multichannel Sterling Fulfillment processes.
- Developed GSK's Vaccines Direct e-commerce application to streamline customer registration and enable online ordering of vaccines.
- Environment: Sterling Comergent Framework(Sterling OMS and Fulfillment), Spring, Java, JDBC, JNDI, XML, HTML, Servlets, JSP, JQuery, Hibernate, Tomcat, Jasper Reports, MQ Messaging, Web Services, DOJO, Windows, Oracle, Eclipse, CVS, Log4j, Microsoft Visio IBM Test Director, JUnit and TDD
Java Lead / Architect
Bank Central Asia (BCA)
Jakarta, Indonesia
05.2008 - 03.2009
- Developed three POCs using Java CAPS SOA approach for Asia's largest private bank, showcasing innovative solutions.
- Led development of POC for B2C (iBank initiation, execution, and JMS) using Java Caps, streamlining user transactions.
- Implemented robust software solutions utilizing programming tools including Java, JDBC, and Java CAPS SOA to support project goals.
- Developed POC for Client Trade App using Open Lazlo, improving client engagement through advanced features.
Java Lead
ICICI Bank
, India
03.2008 - 05.2008
- Customized Sun JMS for ICICI Bank, adapting Messaging Server Infrastructure to fulfill client-specific requirements.
- Developed UWC for Sun Messaging Platform, replicating Outlook Messaging Service to improve internal communication.
- Environment: Core Java, J2EE-Servlet/JSP, JMS, XML, HTML, LDAP, Sun App Server and Windows.
Java Lead
Schawk
India
12.2007 - 03.2008
- Enhanced MVC architecture in web application using design patterns, improving functionality and user experience.
- Created secure central repository for consistent, accurate information accessible globally to Schawk, clients, and vendors.
- Environment: Java, J2EE-Servlets/JSP, Spring MVC, JavaScript, JQuery, Hibernate, MS-SQL, NetBeans, JUnit, TDD, Tomcat and Windows.
Java Lead
Schawk
Chennai, India
01.2007 - 12.2007
- Coordinated with team and stakeholders from offshore location to support project objectives.
- Aligned project requirements by gathering inputs from onsite client for successful delivery.
- Led development of global data management system to centralize data from individual systems across different operating units.
- Developed MVC layers using Spring and Hibernate.
- Environment: Core Java, Java J2EE, Spring Framework, Hibernate, JSF, MS-SQL, Microsoft Visio, NetBeans, JUnit, TDD, Tomcat server and Windows.
Java Lead
Well Point Inc
Bangalore, India
06.2005 - 12.2005
- Developed UPI - Usability Portal and Implementation Application for WellPoint Inc., streamlining integration across multiple business portals.
- Designed and developed health care portal application using portlets, enhancing user accessibility for diverse user demographics.
- Created UML flow charts, including class and sequence diagrams, visualizing application architecture for improved stakeholder understanding.
- Environment: Core Java, IBM Websphere Portal, Struts, Ant Build, Log4j, DB2, WebSphere RAD and Windows XP.
Onsite Developer
Japan Railway Freight
, Japan
04.2004 - 12.2004
- Developed stateless session beans for seamless integration with business services.
- Supported JRF - Japan Railway Freight management system, improving logistics processes for freight management.
- Coordinated communication with offshore teams, ensuring project deliverables met timelines and requirements.
- Worked in SCM Control system, managing goods transportation processes to streamline operations.
- Environment: Core Java, J2EE-Servlet/JSP, EJB, XML, Oracle, Watool and Windows.
Education
Bachelor of Engineering (B.E) - Electronics and Communication
IndiaSkills
- Cloud Solutions
- AWS
- Azure
- GCP
- Data Lake Architecture
- Data Warehousing
- Data Integration
- Redshift
- Solution Design
- Microservices Architecture
- Java
- J2EE
- Spring
- Web Services
- REST
- SOAP
- Hibernate
- SQL
- NoSQL DBs
- Oracle
- SQL Server
- Linux
- UNIX
- Windows
- Python
- Shell scripting
- Kafka
- Flume
- Apache Spark
- Storm
- Cloudera cluster
- Oozie
- Confluent
- HDFS
- Kerberos
- Ranger
- Sqoop
- HIVE
- Design patterns
- Git
- Bitbucket
- IntelliJ
- JUnit
- TestNG
- AWS Glue
- Code repository
Certification
- JCaps Certified
Accomplishments
- Best Employee Award - offshore
- Star Award - Wells Fargo
Timeline
Solutions Architect
Elevance Health
09.2022 - Current
GCP Cloud Architect
Equifax
08.2020 - 08.2022
Lead Architect
Express Scripts
01.2019 - 07.2020
Big Data Lead / Architect
Macys Technologies
05.2018 - 01.2019
Architect cum Lead
Altice USA
01.2014 - 04.2018
Java Lead
Wells Fargo
08.2011 - 08.2013
Senior Java Lead
GlaxoSmithKline (GSK)
03.2009 - 08.2011
Java Lead / Architect
Bank Central Asia (BCA)
05.2008 - 03.2009
Java Lead
ICICI Bank
03.2008 - 05.2008
Java Lead
Schawk
12.2007 - 03.2008
Java Lead
Schawk
01.2007 - 12.2007
Java Lead
Well Point Inc
06.2005 - 12.2005
Onsite Developer
Japan Railway Freight
04.2004 - 12.2004