Rakesh G. Email & Phone Number

New Jersey, United States

Designed end-to-end scalable architecture to address business challenges using Azure Components.Utilized Azure Data Factory, SQL API, and MongoDB API to integrate data from multiple sources.Developed Spark applications for data extraction, transformation, and aggregation from various file formats.Designed SSIS packages to transfer data from flat files to SQL Server & checks to ensure data quality.Authored pipelines in Azure Data Factory (ADF) to extract, transform, and load data from diverse sources like Azure SQL, Blob Storage, and more.Integrated data from sources such as MongoDB, MS SQL, and Cloud DB using Azure Data Factory, SQL API, and MongoDB API.Utilized Azure Synapse Analytics for data processing and migration initiatives.Designed and developed real-time stream processing applications with Spark, Kafka, Scala, and Hive for Streaming ETL/ELT and machine learning.Partitioned and bucketed Hive tables in Parquet format with Snappy compression, loading data from Avro Hive tables.Architected scalable data processing and analytics solutions for Azure HDInsight, addressing technical feasibility, integration, and development.Utilized Azure Kubernetes Service and Docker containers for deployment, scaling, and load balancing.Implemented strategies for optimizing continuous integration, release, and deployment processes using container and virtualization techniques.Collected JSON data from HTTP sources and developed Spark APIs for data insertion and updates in Hive tables.Facilitated analytical reporting and data insights for PowerBI dashboards.Employed Git for version control and Jira for project management, efficiently tracking and resolving issues and bugs.Environment: Azure (Data Lake, Data Factory, Synapse Analytics, HDInsight, SQL Server, ML studio), PowerBI, Hive, Spark, Databricks, Python, PySpark, Scala, SQL, Sqoop, Kafka, Airflow, Oozie, HBase, Oracle, Teradata, Cassandra, MLlib, Tableau, Git, Jira.

New Jersey, United States

Texas, United States

Involved in building an information pipeline and performed analysis utilizing AWS stack (EMR, EC2, S3, RDS, Lambda, Glue, SQS, and Redshift). Hands on expertise with AWS Databases such as RDS(Aurora), Redshift, DynamoDB and Elastic Cache.Developed AWS data pipeline for Data Extraction, Transformation(S3, RDS, DynamoDB, Oracle, DB2, SQL Server, Cassandra) data sources.Developing and executing a migration strategy to move Data from an Oracle DB platform to AWS Redshift. Involved in migrating data from On-prem Cloudera cluster to AWS EC2 instances deployed on EMR cluster and developed ETL pipeline to extract logs and store in AWS S3 Data Lake and further processed it using PySpark. Developing the data ingestions techniques for batch and stream processing using AWS Batch, AWS Kinesis, AWS Data Pipeline.Developing the PySpark code for AWS Glue jobs to transfer the data from HDFS to AWS S3. Load data into Amazon Redshift and use AWS Cloud Watch to collect and monitor AWS RDS instances.Created SSIS Reusable Packages to extract data from Multi formatted Flat files, Excel, XML files etc.Used Spark's in memory capacities to deal with huge datasets on S3 Data Lake. Stacked information into S3 Buckets, migrated and stacked into Hive External Tables. Developing the Spark SQL to load JSON data and create Schema RDD and loaded it into Hive Tables and handled structured data using Spark SQL.Developed Oozie work processes for planning and arranging the ETL cycle. Associated with composing Python scripts to computerize & utilizing Airflow DAGs. Scheduling & monitoring the Apache Airflow DAGs to run multiple Hive and spark jobs, which independently run with time and data availability.Environment: Hadoop, Hive, Spark, , AWS, EC2, S3, Lambda, Glue, Elasticsearch, RDS, DynamoDB, Redshift, ECS, Python, PySpark, Scala, SQL, Sqoop, Kafka, Airflow, Oozie, HBase, Oracle, Teradata, Cassandra, MLlib, Tableau, Maven, Git, Jira.

Melville, New York, United States

Analyzed project requirements and formulated an architecture document for a Big Data initiative.Provided support for MapReduce Python Programs running on the cluster.Optimized performance of Amazon Redshift and Apache Hadoop Clusters, enhancing data distribution and processing efficiency.Created MapReduce applications to process Avro files, perform data calculations, and execute map side joins.Employed MapReduce programs to facilitate bulk data import into HBase and utilized Rest API to access HBase data analytics.Designed and executed strategies for Incremental Imports into Hive tables.Developed Hive tables, managed data loading, and crafted MapReduce-based internal queries.Orchestrated data collection, aggregation, and movement from servers to HDFS via Flume.Utilized Sqoop to import and export data between various Relational Data Sources such as DB2, SQL Server, Teradata and DFS.Transformed complex MapReduce programs into memory-efficient Spark processing using Transformations and actions.Conducted a Proof of Concept (POC) for IoT device data, employing Spark technology.Leveraged SCALA to store streaming data in HDFS and implement Spark for accelerated data processing.Generated RDDs and DFs for requisite input data, conducted data transformations using Spark Python.Developed Spark SQL queries, managed Data Frames, imported data, executed transformations, and performed ad/write operations, saving outcomes to HDFS output directory.Crafted Hive jobs to parse and structure logs into tabular format, optimizing querying capabilities on log data.Created PIG scripts for semi-structured data analysis and developed custom PIG Loaders and UDFs to align with business requirements. Cluster coordination services through Zookeeper.Utilized Oozie workflow engine to schedule and orchestrate ETL processes.Managed and reviewed Hadoop log files using Shell scripts.Migrated ETL jobs to perform tasks

Bengaluru, Karnataka, India

Designed and implemented normalized database schemas, ensuring Data Integrity and efficient storage.Translated business requirements into data models, identifying relationships, constraints, and key attributes.Gathered business requirements and converted them into new T-SQL stored procedures in visual studio for database project.Performed unit tests on all code and packages.Analyzed requirement and impact by participating in Joint Application Development sessions with business client online.Performed and automated SQL Server version upgrades, patch installs and maintained Relational Databases.Performed front line code reviews for other development teams.Modified and maintained SQL Server stored procedures, views, ad-hoc queries, and SSIS packages used in the search engine optimization process.Updated existing and created new reports using Microsoft SQL Server Reporting Services. Team consisted of two developers.Implemented role-based access control and Data Encryption Mechanisms to ensure data security and compliance with industry regulations.