Chaketh Rajagopal Email & Phone Number

With 15 years of IT experience spanning multiple technologies, I specialize in Big Data, ETL, Data Warehousing, Data Analysis & Reporting, Relational Databases, Unix, and Mainframes. My expertise includes 12+ years in the Banking and Finance domain, 2 years in Retail, and 1 year in Healthcare.I have hands-on experience with various big data platforms, including AWS, Databricks, GCP, and Cloudera CDH. I hold several certifications: AWS Certified Solutions Architect - Professional, Databricks Certified Data Engineer, and Cloudera CCA 175 Certified Spark and Hadoop Developer.My in-depth understanding of Hadoop architecture encompasses HDFS, Job Tracker, Task Tracker, Name Node, Data Node, and the MapReduce programming paradigm. Additionally, I am proficient in the Big Data ecosystem, working with HDFS, Spark, Hive, Sqoop, Pig, Impala, Oozie, Kafka, and Flume. I also have comprehensive knowledge of compression formats like Avro, Snappy, Parquet, and ORC, and non-relational databases such as HBase.I am skilled in writing data pipelines to process unstructured data in Spark using Natural Language Processing (NLP) libraries and have extensive experience with relational databases, including SQL, Teradata, Sybase, and UDB. My knowledge extends to Data Warehousing concepts and Dimensional Data Modeling, including Star Schema, Snowflake Schemas, Facts and Dimension Tables, and Physical and Logical Data Models.Proficient in SaaS analytic data warehouse Snowflake and business intelligence tools like Power BI and QlikView, I excel in data visualization and analysis across various sources. I also possess strong scripting skills in Unix Shell, Scala, and Python.With a thorough understanding of the Software Development Life Cycle (SDLC), I manage all phases, from Business Requirement Gathering & Analysis to System Study, Application Design, Development, Testing, Implementation, Maintenance, Support, and Documentation. I am well-versed in Agile methodology and also a ScrumAlliance Certified ScrumMaster.My ETL experience includes using Informatica PowerCenter to design workflows for heterogeneous sources, such as Mainframe files and relational databases like SQL, Teradata, Sybase, and UDB. My Mainframe expertise includes using COBOL, DB2, CICS, JCL, and REXX.As an experienced Team Leader, I prioritize and coordinate work across different geographic locations, ensuring efficient and effective project delivery.

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  Anna University

  Mechanical Engineering