Roshan Krishnan

WORK HISTORY

EDUCATION

SKILLS

ABOUT ROSHAN KRISHNAN

Senior ETL and Data Engineer with 12+ years of experience in Banking and Retail domain with experience in analyzing, designing and developing complex IT applications including Data warehousing, Data migration, and Data Integration projects• Strong understanding of the AWS Product and Service suite primarily EC2, S3, Redshift, EMR(Hadoop) and other monitoring services of products and their applicable use cases, best practices, and implementation, and support considerations• Worked with various tools in Hadoop Ecosystem including Pig, Hive, HDFS, MapReduce, Yarn, Oozie, Ambari and Zookeeper.• Knowledge of Microsoft Azure Service and Product mainly Storage, SQL, VMs, VS team services, Active Directory domain services.• Ability to understand Data Migration requirements and bridge the gaps• Knowledge in various ETL and Data Integration development tools SSIS, Pentaho, Ab Initio, AWS Glue• Strong knowledge of Dimensional Modelling, Star and Snowflake schema. Designed Fact and Dimension Tables as per the reporting requirements and ease of future enhancements. • Skilled in reporting services like SSRS and Crystal Reports.• Expertise in Microsoft Technologies including VB.Net, C#.Net, ADO.Net, jQuery, Java Script, ASP.Net Web Services, XML and XSLT.• Experience with Extract, Transform, Load (ETL) processes and tools like Azure Data Factory and Azure Databricks• Proficiency in Azure Data Lake, Azure Blob Storage, Azure Synapse Analytics, and Azure Data Factory • Have good experience in interacting with various stakeholders such as Data Architect, Database Administrators, Business Analysts, Business Users, Application Developers and Senior Management.