Experience

Basis Technologies

• United States
• Advertising Services
• 700 & Above Employee

• Software Architect

  • Jan 2022 - Present



Centro

• United States
• Advertising Services
• 700 & Above Employee

• Senior Big Data Engineer

  • Nov 2020 - Dec 2021

• Big Data Engineer

  • Jun 2019 - Oct 2020



Moody's Analytics

• United States
• Financial Services
• 700 & Above Employee

• Senior Software Engineer

  • Oct 2018 - Jun 2019



Tata Consultancy Services

• India
• IT Services and IT Consulting
• 700 & Above Employee

• Spark Scala Developer

  • Mar 2016 - Sep 2018

   Initiated the query-driven data modelling approach going through conceptual, logical & physical models.  Executed Spark RDD operations like filter, flatMap, reduceByKey to transform unstructured data into structured data and perform data aggregation  Worked on Spark Scala case classes, tuples, lambda functions, persistence, shared variables for performing RDD and Dataframe transformations using Scala.  Extracted data from traditional Oracle RDBMS database into Cassandra Cluster… Show more  Initiated the query-driven data modelling approach going through conceptual, logical & physical models.  Executed Spark RDD operations like filter, flatMap, reduceByKey to transform unstructured data into structured data and perform data aggregation  Worked on Spark Scala case classes, tuples, lambda functions, persistence, shared variables for performing RDD and Dataframe transformations using Scala.  Extracted data from traditional Oracle RDBMS database into Cassandra Cluster using Sqoop.  Published data to Tableau reporting tool via thrift server.  Have done Real Time data process by using Apache spark Streaming.  Key space creation, Table creation, Secondary and Solr index creation, User creation & access administration.  Developed Spark code using Scala and Spark-SQL for faster processing and testing.  Experience in customizing aggregate functions using Spark SQL and performed interactive querying.  Performed advanced procedures like text analytics and processing, using the in-memory computing capabilities of Spark using Scala.  Performed advanced procedures like text analytics and processing using in memory data Computation capabilities of Spark using Scala.to generate the Output response.  Experienced in handling large datasets using Partitions, Spark in Memory capabilities, Broadcasts in Spark, Effective & efficient Joins, Transformations and other during ingestion process itself.  Developed Scala scripts, UDFs using both Data frames/SQL and RDD/MapReduce in Spark for Data Aggregation, queries and writing data back into RDBMS through Sqoop.  Experienced in handling large dataframes using Partitions, Spark in-Memory capabilities, Broadcasts in Spark, Effective & efficient Joins, Transformations and other during ingestion process itself.  Actively involved in the SPARK tuning techniques by successfully caching the RDD’s and increase the number of executor’s per node etc Show less  Initiated the query-driven data modelling approach going through conceptual, logical & physical models.  Executed Spark RDD operations like filter, flatMap, reduceByKey to transform unstructured data into structured data and perform data aggregation  Worked on Spark Scala case classes, tuples, lambda functions, persistence, shared variables for performing RDD and Dataframe transformations using Scala.  Extracted data from traditional Oracle RDBMS database into Cassandra Cluster… Show more  Initiated the query-driven data modelling approach going through conceptual, logical & physical models.  Executed Spark RDD operations like filter, flatMap, reduceByKey to transform unstructured data into structured data and perform data aggregation  Worked on Spark Scala case classes, tuples, lambda functions, persistence, shared variables for performing RDD and Dataframe transformations using Scala.  Extracted data from traditional Oracle RDBMS database into Cassandra Cluster using Sqoop.  Published data to Tableau reporting tool via thrift server.  Have done Real Time data process by using Apache spark Streaming.  Key space creation, Table creation, Secondary and Solr index creation, User creation & access administration.  Developed Spark code using Scala and Spark-SQL for faster processing and testing.  Experience in customizing aggregate functions using Spark SQL and performed interactive querying.  Performed advanced procedures like text analytics and processing, using the in-memory computing capabilities of Spark using Scala.  Performed advanced procedures like text analytics and processing using in memory data Computation capabilities of Spark using Scala.to generate the Output response.  Experienced in handling large datasets using Partitions, Spark in Memory capabilities, Broadcasts in Spark, Effective & efficient Joins, Transformations and other during ingestion process itself.  Developed Scala scripts, UDFs using both Data frames/SQL and RDD/MapReduce in Spark for Data Aggregation, queries and writing data back into RDBMS through Sqoop.  Experienced in handling large dataframes using Partitions, Spark in-Memory capabilities, Broadcasts in Spark, Effective & efficient Joins, Transformations and other during ingestion process itself.  Actively involved in the SPARK tuning techniques by successfully caching the RDD’s and increase the number of executor’s per node etc Show less



Tata Consultancy Services Limited

• Milpitas CA

• Technical Lead

  • Jun 2013 - Mar 2016

  • Involved in the analysis, data modeling, detailed system design and development of technical documentation. • Responsible for ensuring system efficiency, integrity, productivity and maintainability. • NZD (Near Zero Downtime), NRT (Near Real Time) & Oracle 11g Upgrade. • Performed performance tuning by using Application Tracing Tools like SQL Trace and TKPROF, EXPLAIN PLAN and by using Optimizer hints and Indexes • Performance tuning of the PL/SQL procedures using DBMS_PROFILER… Show more • Involved in the analysis, data modeling, detailed system design and development of technical documentation. • Responsible for ensuring system efficiency, integrity, productivity and maintainability. • NZD (Near Zero Downtime), NRT (Near Real Time) & Oracle 11g Upgrade. • Performed performance tuning by using Application Tracing Tools like SQL Trace and TKPROF, EXPLAIN PLAN and by using Optimizer hints and Indexes • Performance tuning of the PL/SQL procedures using DBMS_PROFILER Tool. • Identifying areas for improvements and implementing the same. • Interacting with clients and all stakeholders. • Manage end-to-end Project transition for pricing and discounting. • Designed and Developed Stored Procedures/Packages, Triggers Using SQL and PL/SQL • Managing, coordinating, planning and executing project. • Leadership and mentoring of the offshore team, taking steps to keep the motivation level high. • Used pipe lined table functions to improve the performance while materializing collections as and when needed Show less • Involved in the analysis, data modeling, detailed system design and development of technical documentation. • Responsible for ensuring system efficiency, integrity, productivity and maintainability. • NZD (Near Zero Downtime), NRT (Near Real Time) & Oracle 11g Upgrade. • Performed performance tuning by using Application Tracing Tools like SQL Trace and TKPROF, EXPLAIN PLAN and by using Optimizer hints and Indexes • Performance tuning of the PL/SQL procedures using DBMS_PROFILER… Show more • Involved in the analysis, data modeling, detailed system design and development of technical documentation. • Responsible for ensuring system efficiency, integrity, productivity and maintainability. • NZD (Near Zero Downtime), NRT (Near Real Time) & Oracle 11g Upgrade. • Performed performance tuning by using Application Tracing Tools like SQL Trace and TKPROF, EXPLAIN PLAN and by using Optimizer hints and Indexes • Performance tuning of the PL/SQL procedures using DBMS_PROFILER Tool. • Identifying areas for improvements and implementing the same. • Interacting with clients and all stakeholders. • Manage end-to-end Project transition for pricing and discounting. • Designed and Developed Stored Procedures/Packages, Triggers Using SQL and PL/SQL • Managing, coordinating, planning and executing project. • Leadership and mentoring of the offshore team, taking steps to keep the motivation level high. • Used pipe lined table functions to improve the performance while materializing collections as and when needed Show less



Tata Consultancy Services

• India
• IT Services and IT Consulting
• 700 & Above Employee

• Sr. Oracle Developer

  • Feb 2011 - May 2013

• Sr. Oracle Developer

  • Jan 2008 - Jan 2011

• Software Developer

  • Jul 2006 - Dec 2008



Paramatrix Technologies Pvt Ltd.

• India
• IT Services and IT Consulting
• 200 - 300 Employee

• Software Engg

  • 2004 - 2006