Data Developer

RAJA THANANKI

Phone: 551-***-****

Email: *************@*****.***

Professional Summary:

Overall 3+ years of professional IT experience in Big data ecosystem and Core Java related technologies.

Excellent knowledge in Hadoop architecture and various components such as HDFS, Job Tracker, Task Tracker, Name Node, Data Node and Spark framework

Hands on experience in installing configuring and using Hadoop ecosystem components like Apache Spark, HDFS, HBase, Spark SQL, Sqoop, Zookeeper, Kafka, and Flume.

Hands-on fundamental building blocks of Spark - RDDs and related manipulations for implementing business logics Like Transformations, Actions and Functions performed on RDD.

Depth understanding of Data-frames and Data-Sets in Spark SQL

Experience in importing and exporting data using Sqoop from HDFS to Relational Database Systems and vice-versa.

Good understanding of cloud configuration in Amazon web services AWS EC2 and good knowledge on AWS S3 as a storage mechanism.

Hands on experience with SCALA for the batch processing and Spark streaming data

Strong experience in Object-Oriented Design, Analysis, Development, Testing, and Maintenance

Worked on IDE’s such as Eclipse and IntelliJ for developing, deploying and debugging the applications.

Expertise in working with relational databases such as Oracle 10g, SQL Server 2012.

Good knowledge of stored procedures, functions, etc. using SQL and PL/SQL.

Expertise in Core Java technologies like Servlets, JSP, Struts, and JDBC.

Experience on Test Automation tools like Soap UI

Strong knowledge of Software Development Life Cycle and expertise in detailed design documentation

Excellent Problem-Solving Skills, Communication Skills, Ability to perform at a high level and meet deadlines

Technical Skills:

Big Data: HDFS, Apache Spark, Spark SQL, Spark streaming, Zookeeper,

Hive, Sqoop, HBase, Kafka, Flume, Yarn, AWS EC2,

Languages: Scala, Java, Knowledge on Python, Shell Scripting

Java Technologies: JSP, Servlets, JDBC

Client Technologies: JavaScript, AJAX, CSS, HTML, XHTML

Web technologies: JSP, Servlets, Socket Programming, JDBC, JavaScript, Web Services Database: MySQL, Oracle 10g/11g, Microsoft SQL Server 2012

IDE / Testing Tools: Eclipse, IntelliJ IDEA

Operating System: Windows, Unix, Linux

Tools: SQL Developer, Maven.

Professional Experience:

Bluebird Solutions, Hyderabad, India (August 2014 - January 2016)

Position: Hadoop and spark Developer

Responsibilities:

Involved in requirement gathering to connect with Business Analysis.

Working Closely with Business Analysis & Client for creating technical Documents like High-Level Design and low-Level Design specifications.

Involved in Setup AWS Amazon EC2 9 Node Cluster for Hadoop

Worked on nine nodes CDH3 Hadoop cluster on Red Hat LINUX.

Implemented best income logic using Spark SQL

Loading and transforming of large sets of structured data, semis structured data and unstructured data.

Imported data using Sqoop to load data from MySQL to HDFS on regular basis.

Developing RDDS to schedule various Hadoop Program.

Written SPARK SQL Queries for data analysis to meet the business requirements.

Worked on defining job flows.

Cluster coordination services through Kafka and Zookeeper.

Serializing JSON data and storing the data into tables using Spark SQL.

Writing Shell scripts to automate the process flow.

Storing the extracted data into HDFS using Flume

Worked on multiple file formats including XML, JSON, CSV and other compressed file formats

Developed Kafka producer and consumer components for real-time data processing.

Writing queries in Spark SQL using Scala

Provided testing support and troubleshooting and fixing the issues

Environment: Hadoop HDFS, Apache Spark, Spark-Core, Spark-SQL, Scala, JDK 1.7, Sqoop, Eclipse, MySQL, AWS EC2, CentOS Linux and ZooKeeper

Bluebird Solutions, India (July 2012 - August 2014)

Position: Java Developer

Responsibilities:

Designed and implemented the training and reports modules of the application using Servlets, JSP, and Ajax.

Developed custom JSP tags for the application.

Used Quartz schedulers to run the jobs sequentially at given time.

Implemented design patterns like Filter, Cache Manager, and Singleton to improve the performance of the application.

Implemented the reports module of the application using Jasper Reports to display dynamically generated reports for business intelligence.

Deployed the application in client's location on Tomcat Server.

Involved in various phases of the Software Development Life Cycle (SDLC).

Developed user interfaces using JSP framework with AJAX, Java Script, HTML, XHTML and CSS.

Created tables, stored procedures in SQL for data manipulation and retrieval.

Responsible to manage data coming from various sources.

Communications Module and Inventory Management System.

Analyzing and preparing the requirement Analysis Document

Used to Core Java and EJB to handle the business flow and Functionality.

Monitoring of test cases to verify actual results against expected results.

Normalized SQL database conforming to design concepts and best practices.

Resolved product complications at customer sites and funneled the insights to the development and deployment teams to adopt long-term product development strategy with minimal roadblocks.

Environment: Java, Core Java, JSP, Spring, SQL server, Eclipse, JUnit, AJAX, Web services, XML Schema, HTML, CSS, JavaScript, WebLogic

Education:

Master of Computer science, August 2017.

Monroe College, King Graduate School, Bronx, New York

Bachelor of Science in information technology, May 2012

Jawaharlal Nehru Technological University, Hyderabad, India

Relevant Coursework:

• Object Oriented Software • Software System Design

• Research & Critical Analysis • Professional Ethics & Leadership

• Computer Architecture • Database Systems

• Hadoop & Spark Development • Project Management

• Scala Programming

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