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Snowflake/nifi Developer Resume


  • In - depth understanding of SnowFlake cloud technology.
  • In-Depth understanding of SnowFlake Multi-cluster Size and Credit Usage
  • Played key role in Migrating Teradata objects into SnowFlake environment.
  • Experience with Snowflake Multi-Cluster Warehouses .
  • Experience with Snowflake Virtual Warehouses.
  • Experience in building Snowpipe.
  • In-depth knowledge of Data Sharing in Snowflake.
  • In-depth knowledge of. Snowflake Database, Schema and Table structures.
  • Experience in using Snowflake Clone and Time Travel.
  • In-depth understanding of NiFi.
  • Experience in building ETL pipelines using NiFi.
  • Deep knowledge of various NiFi Processors .
  • Experience in Splunk reporting system.
  • U nderstanding of Spark Architecture including Spark Core, Spark SQL, Data Frames.
  • Excellent knowledge of Hadoop architecture and various components such as HDFS, Job Tracker, Task Tracker, Name Node, Data Node and Map Reduce programing paradigm.
  • Progressive experience in the field of Big Data Technologies, Software Programming and Developing, which also includes Design, Integration, Maintenance.
  • Worked on Cloudera and Hortonworks distribution.
  • Experience in analyzing data using HiveQL and Hive-llap
  • Experience in Apache Druid.
  • Experience in Sqoop ingesting data from relational to hive.
  • Experience in Elastic Search, Kibana.
  • Experience in various data ingestion patterns to hadoop.
  • Have good Knowledge in ETL and hands on experience in ETL.
  • Hands on experience in Hbase, Pig.
  • Experience in various methodologies like Waterfall and Agile .
  • Experience in working on Unix/Linux operating systems.


Cloud Technologies: Snowflake, AWS.

Spark, Hive: LLAP, Beeline, Hdfs,MapReduce,Pig,Sqoop,HBase,Oozie,Flume

Reporting Systems: Splunk

Hadoop Distributions: Cloudera,Hortonworks

Programming Languages: Scala, Python, Perl, Shell scripting.

Dashboard: Ambari, Elastic Search,Kibana.

DataWareHousing: Snowflake Teradata

DBMS: Oracle,SQL Server,MySql,Db2

Operating System: Windows,Linux,Solaris,Centos,OS X

IDEs: Eclipse,Netbeans.

Servers: Apache Tomcat

Data Integration Tool: NiFi, SSIS



Snowflake/NiFi Developer


  • Involved in Migrating Objects from Teradata to Snowflake.
  • Created Snowpipe for continuous data load.
  • Used COPY to bulk load the data.
  • Created internal and external stage and t ransformed data during load.
  • Used FLATTEN table function to produce lateral view of VARIENT, OBECT and ARRAY column.
  • Worked with both Maximized and Auto-scale functionality.
  • Used Temporary and Transient tables on diff datasets.
  • Cloned Production data for code modifications and testing.
  • Shared sample data using grant access to customer for UAT.
  • Time traveled to 56 days to recover missed data.
  • Developed data warehouse model in snowflake for over 100 datasets using whereScape.
  • Heavily involved in testing Snowflake to understand best possible way to use the cloud resources.
  • Developed ELT workflows using NiFI to load data into Hive and Teradata.
  • Worked on Migrating jobs from NiFi development to Pre-PROD and Production cluster.
  • Scheduled different Snowflake jobs using NiFi.
  • Used NiFi to ping snowflake to keep Client Session alive.


Big Data Engineer


  • Played key role in testing Hive LLAP and ACID properties to leverage row level transactions in hive.
  • Volunteered in designing an architecture for a dataset in Hadoop with estimated data size of 2PT/day.
  • Integrated Splunk reporting services with Hadoop eco system to monitor different datasets.
  • Used Avro, Parquet and ORC data formats to store in to HDFS.
  • Developed workflow in SSIS to automate the tasks of loading the data into HDFS and processing using hive.
  • Develop alerts and timed reports Develop and manage Splunk applications.
  • Provide leadership and key stakeholders with the information and venues to make effective, timely decisions.
  • Establish and ensure adoption of best practices and development standards.
  • Communicate with peers and supervisors routinely, document work, meetings, and decisions.
  • Work with multiple data sources.
  • Designed and Created Hive external tables using shared Meta-store instead of derby with partitioning, dynamic partitioning and buckets.
  • Implemented Apache PIG scripts to load data to Hive.
  • Worked with Various HDFS file formats like Avro, Sequence File and various compression formats like snappy, Gzip.
  • Used spark-sql to create Schema RDD and loaded it into Hive Tables and handled structured data using Spark SQL.
  • Analyzed the SQL scripts and designed the solution to implement using PySpark.
  • Partner with Source teams to source the data to hadoop for supporting data science models.
  • Used Avro, Parquet and ORC data formats to store in to HDFS.
  • Involved in converting Hive/SQL quries into Spark transformation using Spark RDDs.
  • Involved in creating Teradata FastLoad scripts.
  • Provide assistance to business users for various reporting needs.
  • Worked on data transfer mechanism from hive to Teradata.
  • Worked with different platform teams to resolve cross dependency.
  • Involved in Code Review Discussions, Demo’s to stakeholders.
  • Worked on data ingestion from Oracle to hive.
  • Managing and scheduling Jobs on a Hadoop Cluster using Active Batch and Crontab.
  • Involved in different data migration activities.
  • Involved in fixing various issues related to data quality, data availability and data stability.
  • Worked in determining various strategies related to data security.
  • Worked on Hue interface for Loading the data into HDFS and querying the data.
  • Played a key role in Hadoop 2.5.3 Testing.


Software Engineer

Responsibilities :

  • Involved in creating and partitioning of hive tables for data loading and analyzing which runs internally in map reduce way.
  • Worked with the business users to gather, define business requirements and analyze the possible technical solutions.
  • Used real time streaming frameworks like Apache storm to load the data from messaging distribution systems like Apache kafka into hdfs.
  • Involved in setting up 3 node storm and Kafka cluster in open stack servers using chef.
  • Provide support to data analysts in running hive queries.
  • Created Partitioned tables in hive for better performance and fast querying.
  • Used Hive to compute various metrics for reporting.
  • Implemented dynamic partitions in Hive .
  • Involved in Hadoop jobs for processing billions of records of text data.
  • Involved in importing data using Sqoop from traditional RDBMS like Db2, oracle, mysql including Teradata to hive.
  • Involved in importing data of different formats like JSON, txt, csv, tsv formats to hdfs, hive.
  • Monitoring the jobs to analyze performance statistics.
  • Managing and scheduling batch Jobs on a Hadoop Cluster using Oozie.
  • Trained the team members regarding different data ingestion patterns.
  • Used Kibana for data analysis and product metric visualizations.

Graduate Assistant

Confidential, Indiana


  • Worked on the maintenance of ISU web pages.
  • Involved in requirements discussion with department heads.
  • Design of web pages using html5, css, Jquery, Javascript.
  • Performed POC on Drupal Framework.

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