PROFESSIONAL SUMMARY:

• Big Data has been the forefront of my experience for the last 4+ years
• Experience in implementing Big Data solutions to ingest data and devise analytical solutions to support future business decisions
• Overall 11+ years of professional experience with the core competency in analysis, design, development and architecting the system.
• Experience in HDFS, YARN, MapReduce
• Experience in importing and exporting data into or from HDFS
• Experience in data access from HDFS using Hive and PIG
• Experience in workflow scheduler OOZIE
• Experience in capturing data from existing databases using SQOOP
• Experience in Storm, Flume and Spark
• Experience in Splunk
• Experience in SQL and NoSQL database
• Experience in AVRO, JSON, RC and ORC file formats
• Experience in C, C++, JAVA and Python
• Experience in HTML, CSS and JAVASCRIPT
• Knowledge in Networking Protocols like TCP/IP, UDP, HTTP, HTTPS, FTP
• Experience in Hortonworks and mapR data platform
• Experience in HDP 1.3 and HDP 2.2
• Experience in monitoring and managing 1000+ nodes cluster
• Experience designing and implementing features in large distributed systems of 250 petabytes of HDFS data
• Experience in Windows, Unix and Mac based platform
• Experience in version control tool SVN
• Experience in Autosys
• Strong Knowledge of Object Oriented Concepts
• Strong Analytical and problem solving skills
• Solid Knowledge of Software Development Life Cycle (SDLC)
• Experience in High Level Design (Sequence Diagram, Class Diagram, Component Interaction diagram etc)
• Experience in writing Technical Design Documents (LLD), which clearly explain the implementation detail with Pseudo code
• Experience in Writing Use Cases, Writing Test Cases
• Experience in Impact Analysis & Root Cause Analysis
• Experience in mentoring team members on new technologies & User stories implementation
• Self - motivated Individual, fast learnability, Good team player
• Efficient Execution of project under rigorous deadline
• Strong communication skills, with the ability to convey concepts/requirements between technical and non-technical stakeholders
• Experience in Delivering Training, end-to-end Project Development, Support, Event Management and Administration

PROFESSIONAL EXPERIENCE:

Confidential

Technology: Java, Hadoop, HDFS, Hive, YARN, Sqoop, Splunk

Responsibilities:

• Interacting with functional team to collect their requirements and constraints
• Involving in design review of highly available, scalable, fault tolerant framework
• Coding and technical analysis
• Involving in troubleshooting
• Building automation tools for continuous deployment and change management
• Proper Documentation of each step
• Tracking the progress of the project

Confidential

Technology: Hadoop, HDFS, MapReduce, Hive, OOZIE, Storm, YARN, Spark, Python, Shell Script, Autosys, Splunk

Responsibilities:

• Interacting with clients business team to collect their requirements
• Analyzing the requirements, designing the solution approach and defining the scope of the project
• Working on design and coming up with efficient solution for currently available framework and Hive features
• Configuring the sequence of execution
• Preparing the data dictionary, column mapping
• Efficient coding for the aggregates
• Performance tuning of the code
• Defining oozie workflow for running the hive queries in a specific sequence according to design
• Writing the autosys jobs for running the codes automatically in scheduled time without human intervention
• Shell scripting for deployment
• Performance evaluation and comparison using Spark and Hive
• Performing unit testing, performance testing and integration testing and capturing the test results
• Preparing implementation plan with taking care of dependency and effect on the other production entities
• Production cutover and monitoring the behavior of deployed jobs and other dependent jobs
• Post deployment validation
• Proper documentation of the entire process for future reference

Confidential

Technology: Hadoop, HDFS, MapReduce, Hive, OOZIE, Python, Shell Script, Autosys

Responsibilities:

• Analyzing the requirements and prepare the design document for the project
• Writing the script to load data from file to core table
• Writing the DDLs and Hive Queries to load into aggregate tables
• Performance evaluation of the code
• Thorough unit testing and Integration Testing
• Writing autosys job for test and production environments
• Work with dependent teams
• Deployment of Code in Production
• Post deployment Testing, Monitoring the jobs and Validating the data set
• Contribute to development of architecture documents, user manuals, management reports and other technical documentation

Software Development

Confidential

Technology: JAVA, Oracle, XML

Responsibilities:

• Analyze the requirements and prepare the design document for the project
• Involved in Functional Analysis
• Functional inputs to the team on the assigned tasks
• Writing system Use Cases
• Write the code, tune it and test it
• Write the test cases and document the test results
• Prepare all the production support documents

Confidential

Technology: JAVA, MySQL

Responsibilities:

• Involved in documentation and creating site maps for the complete design flow.
• Used UI Development using HTML, and coded Java components which Retrieves data using SQL from Oracle database.
• Actively participated in meetings with clients to determine website goals and develop strategies.
• Involved in writing SQL Queries
• Testing the website on multiple browsers to check if they are Cross Compatible
• Been an active team player, helped in bug fixing and also carried out troubleshooting

Confidential

Technology: JAVA, MySQL

Responsibilities:

• Requirements analysis
• Coding for reported Issues, changes and enhancements
• Test case reviews
• Performed testing
• Involved in documentation
• Actively participated in meetings with clients
• Involved in writing SQL Queries