SUMMARY

• 6+ years of experience in Software Development Life Cycle (SDLC) working with Java/J2EE and BigData technologies in industries including banking, insurance and e - commerce
• Hands on experience in Big Data Ecosystem with Hadoop, HDFS, MapReduce, Hive, HBase, Sqoop, Flume, Kafka, Oozie, Solr, ZooKeeper and Spark
• Experience in writing MapReduce programs to manipulate and analyze unstructured data
• Experience using Sqoop to import data into HDFS from RDBMS and vice-versa.
• Experience in data collection, processing and streaming with Kafka
• Knowledge on serialization formats like Sequence File, Avro, Parquet
• Working knowledge with Spark, Scala and Python
• Proficient in writing HiveQL and SQL queries to achieve data manipulation
• Experienced in writing custom UDFs to extend Hive core functionality
• Working experience NoSQL Database including HBase 0.98
• Involved in batch job scheduling workflow using Oozie
• Expertise in Core Java, Data Structures, Algorithms, Object Oriented Design (OOD) and Design Pattern
• Extensive experience in web frameworks including J2EE, Spring MVC, Hibernate
• Front End with HTML5/4, CSS3, JavaScript, jQuery, AngularJS, AJAX, Bootstrap
• Adept in Data Visualization with D3.js, Tableau
• Working experience with RDBMS including MySQL 5.x, MS SQL Server 2008, Oracle SQL 10g
• Experience in TDD (Test Driven Development) methodologies
• Hands on experience in unit testing such as JUnit, MRUnit
• Worked in development environment like Git, SVN, JIRA, Confluence, Jenkins, Agile/Scrum and Waterfall
• Passionate, results-driven developer with superb interpersonal skills and ability to perform well under pressure

TECHNICAL SKILLS

Hadoop Ecosystem\Web Framework: Hadoop, Spark, MapReduce, Pig, Hive, Sqoop, \Javascript, jQuery, AngularJS, HTML5/4, \ Flume, Kafka, Solr, Hbase, Oozie, Zookeeper, \CSS3, J2EE, Spring MVC, Hibernate Kerberos, MRUnit

Programming Language\Data Analysis & Viz: Java, Python, JavaScript, Scala, Ruby\Matlab, Tableau, D3.js

Scripting Language\Database: UNIX Shell, HTML, XML, CSS, JSP, SQL, \ MySQL 5.x, Oracle 10g, MS SQL Matlab\Server 2008, HBase 0.98

Operating Systems\Environment: Mac OS, Ubuntu, CentOS, Windows\Agile, Scrum, Waterfall

IDE Application\Collaboration: Eclipse, NetBeans, Sublime Text, PyCharm, \Git, SVN, JIRA, Confluence Notepad++

PROFESSIONAL EXPERIENCE

Confidential, Arlington Heights, IL

Big Data Developer

Responsibilities:

• Used RabbitMQ & Kafka as the messaging system to collect data from various sources to either HDFS or streaming engine
• Developed RabbitMQ & Kafka consumer program using Java
• Involved in processing streaming data using Spark streaming with Scala
• Used Apache Avro/protocol buffer to transform data between different format
• Used Sqoop to transfer data between RDBMS and HBase
• Developed Java API for BI teams to faster query data from HBase
• Created Hive tables on top of HDFS and developed Hive queries for the analysts
• Implemented Partitioning, Dynamic Partitions, Buckets in Hive
• Performed unit testing using JUnit
• Worked closely with team members, managers and other teams

Environment: Hadoop 2.x, MapReduce, Sqoop, Hive, Hbase, Kafka, RabbitMQ, Java 7, Spark, Scala, Avro, Zookeeper, eclipse

Confidential, Mayfield Village, OH

Big Data Developer

Responsibilities:

• Used Kafka to collect data sent by the sensor in the cars
• Implemented Spark using Scala and Spark SQL for faster testing and processing of data
• Used Sqoop to import data from Oracle to HDFS
• Implemented data serialization using Apache Avro
• Used the Hbase Java API to migrated data between the HDFS and HBase
• Used Oozie scheduler system to automate the pipeline workflow
• Implemented external tables and dynamic partitions using Hive
• Wrote Hive custom UDF to analyze data by given schema
• Used Git for version control, JIRA for project tracking, Confluence for documentation collaboration
• Weekly meetings with technical collaborators and active participation in code review sessions with other developers

Environment: Apache Hadoop 2.x, MapReduce, HDFS, Hive, Apache Avro, Sqoop, Oozie, Kafka, Oracle 11g, Linux, Java 7, eclipse

Confidential, Salt Lake City, UT

Big Data Developer/Analyst

Responsibilities:

• Used Sqoop to transfer data between Oracle and HDFS
• Responsible for design and creation of Hive tables, partitioning, bucketing, loading data and writing hive queries.
• Created HBase tables to store inquiry, email and other semi-structured data
• Responsible to manage data coming from different sources
• Involved in managing and reviewing Hadoop log files.
• Developed multiple Map Reduce jobs in Java for data cleaning and preprocessing
• Automated workflows using Oozie to pull data from various databases into Hadoop

Environment: Apache Hadoop 2.x, MapReduce, HDFS, Hive, HBase, Oozie, Sqoop, Linux, Oracle 11g, Java 7, Eclipse

Confidential, Boise, ID

Java Fullstack Developer

Responsibilities:

• Actively participated in the Agile Development Process
• Performed in different phases of the Software Development Lifecycle (SDLC) of the application, including: requirements gathering, analysis, design, development and deployment of the application
• Developed front end with HTML, CSS, JavaScript, JSP, AJAX, jQuery, Bootstrap and HIGHCHARTS
• Implemented Jersey JAX-RS API to create RESTful Web Services
• Regularly contributed new features to all layers of the project from the User Interface to the DataBase
• Optimized one tool’s data loading performance with 60% speedup
• Design and implemented database
• Regularly fixed bugs to all layers of the project
• Developed unit test cases with JUnit
• Experienced in using Maven, Sonar, Jenkins and Atlassian suite (JIRA, Fisheye, Confluence)

Environment: NetBeans, MS SQL Server, JDBC, JSP, HTML, CSS, JavaScript, jQuery, AJAX, JUnit, JSON, Jersey, RESTful, Agile, Maven, Sonar, Jenkins, JIRA, Fisheye, Confluence

Confidential, Logan, UT

Java Developer

Responsibilities:

• Involved in requirement review, design document preparation, UML model diagrams and UI Mockup creation
• Designed and implemented a three-party authentication protocol based on Needham-Schroeder-Lowe protocol
• Developed a key service for encryption purpose
• Implemented API’s for the phMPI
• Performed debugging and functionality enhancements
• Developed unit test cases with Junit

Environment: Eclipse, MySQL, JDBC, JUnit, SVN, Visual Paradigm UML

Confidential

Java Fullstack Developer

Responsibilities:

• Worked in Spring MVC Framework with Agile methodology
• Developed front end with HTML, CSS, JavaScript, JSP, AJAX and jQuery
• Translated designs and style guides provided by the UI Designer into functional user interfaces
• Implemented Jersey JAX-RS API to create RESTful Web Services
• Implemented DAO using Hibernate for database connectivity to MySQL database
• Wrote Stored Procedures for querying, inserting and managing the database
• Developed unit test cases with JUnit

Environment: Spring MVC, MySQL, JSP, HTML, CSS, JavaScript, jQuery, AJAX, Hibernate 3, JUnit, JSON, Jersey, RESTful, Agile