Ashok Kumar Shanmugam
Big Data Engineer @Cognizant
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WORK HISTORY
Big Data Engineer @Cognizant
Scotland, GB
EDUCATION
KGISL IIM,Bharathiyar University
MCA, Computer Application
ABOUT ASHOK KUMAR SHANMUGAM
14 years of experience in IT, focused on Application development, Data Engineering, Data Warehousing, Big Data, Data Analysis, ETL Solutions, Databases, Quality Assurance, Analysis, Design, Development, Support & Implementation of applications in Banking Financial, Healthcare (Medicaid & Medicare), domains.* Expertise in developing data engineering solutions in Big Data tools and technologies: Apache - Python, Spark/PySpark, Mongodb, Hadoop, Hive, Kudu, Impala, Sqoop, Cloudera, Kafka, Spark Streaming, StreamSets etc.* Experienced in migrating traditional RDBMS database/ETL/Data Warehouse applications to Hadoop/Cloud/SQL/NoSQL based solutions.* Developed ETL on various platforms, tools and data sources like, Oracle, PLSQL, MS-SQL, Mongodb, Hadoop Big Data, HDFS, Apache Hive, Sqoop, Python, Cloud services, Structured/Unstructured files, UNIX, Shell scripting, code development tools and automation tools etc.* Created Pipelines in Streamset/Datasets/Pipeline/ to Extract, Transform and load data from different sources like SQL Data warehouse, write-back tool and backwards* Worked on both OLTP and OLAP systems to build Data Warehouses* Expertise in efficient coding techniques, POCs, developing complex ETL programs using PySpark, Sqoop, Kafka, troubleshooting issues, performance tuning & QA testing.* Handled projects in different phases like analysis, requirement gathering, design, coding, testing, code migration, version control, service requests, Rally tasks, automation & Go-Live with production support.* Experience in working onsite and remote, interacting with clients directly on requirements analysis, implementing applications, ad-hoc requests & providing further support.* Experience in leading teams on technical development and taking complete responsibility of development life cycle. Ability to effectively prioritize and execute tasks.My Specialties:Programming Language : Scala,Python,Java and C#SQL Database : Oracle,SQL serverNo SQL : Mongodb,Hive,Hbase.HDFSFramework : Spark,StreamsetData Processing : Batch & steamingAGILE Methodologies, Scrum, WaterfallProject Management and Support
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