SUMMARY

• 13 plus years of work experience in application and product development using full SDLC primarily using Hadoop, Core Java, Mainframe, ETL and Data warehousing Technologies.
• Well - equipped to provide software solutions, deliver quality applications and give technical advice.
• Strong technical and communication skills with 3 plus years of experience on Big Data Hadoop Ecosystem, and 5 years of working as a Tech Lead, managing and leading team at onshore and offshore.
• 13 plus years of progressive experience in Designing applications and development using full SDLC primarily on Distribution computing (Big Data Hadoop Ecosystem) and Data warehousing technologies.
• Experience in Mortgage Banking, Securities, Insurance, Logistics, Telecom and Retail Domain.
• Involved in various stages of application customizations like deployment, troubleshooting, monitoring, load testing, supporting both production and test environments.
• Strong knowledge on Big Data Hadoop ecosystem (Hive, HBase, Pig, Oozie, Sqoop).
• Experience in developing batch processing framework to ingest Terabytes of data into HDFS using Hive (HQL) scripts and HBase.
• Involved in System Analysis, Requirements Analysis, Designing and Implementing Data Lake, Migration and up-gradation.
• Excellent knowledge in RDBMS and Hadoop concepts and constructs along with Database Objects creation.
• Collected/translated business requirements into distributed architecture & robust scalable designs.
• Proficient in understanding business processes / requirements and translating them into technical requirements.
• Extensively worked in Database Design, Data Modeling, Development, Metadata, Tuning Hive queries and testing.
• Expertise in Estimation, high-level design and detailed design.
• Follow solution oriented approaches to deliver right solutions at right time.
• Committed to professionalism, highly organized, work under strict deadline schedules, have excellent written and verbal communication skills.
• Expertise in development and implementation of small and large-scale projects.
• Extensive experience in the areas of System study, Conceptual Design, Detail design, Requirement gathering, Analysis, Development, Implementation, Unit Testing & maintenance of Applications.
• Experience in Application Maintenance, Troubleshooting, Bug-fixing
• Experience in all phases of Software Development Life Cycle with a strong emphasis on analysis, design, development and testing of applications
• Highly motivated with the ability to work effectively in teams as well as independently.
• Excellent communication, self-motivated, organized individual with strong interpersonal and leadership skills.
• Adept at quickly understanding business domains and requirements and providing effective and efficient solutions.
• Well-disciplined hands-on coder in writing high quality reusable concise code dealing with complex problems.

TECHNICAL SKILLS

• Hadoop
• HDFS
• Hive
• PiG
• HBase
• Oozie
• Shell Script
• Spark SQL
• Core Java
• Hadoop APIs
• Mainframe
• COBOL
• JCL
• VSAM
• DB2.
• MongoDB
• C#
• Ajax
• XML
• Oracle
• MySQL
• MS SQL Server
• MS Access
• Teradata
• ASP.NET 3.5
• 4.0
• ADO.NET
• C
• C++
• Java Script.

PROFESSIONAL EXPERIENCE

Hadoop Consultant

Confidential, Chicago, IL

Responsibilities:

• Designed and Developed ETL Process to Generate Dynamic SQL for Exposure Data processing to handle Split, Substitute and Combine data defined in Metadata.
• Design and Develop ETL process for POS update process.
• Redesigned ETL Load Process for Rentrak ADs and Tunes data.
• Interacting with Business Users to understand Requirements.
• Performance Tuning Hive Queries.
• Written Hive UDF using Core Java.

Environment: MapR 5, Hive, Sqoop, Oracle, Shell Script, Python, Core Java, Agile.

Hadoop Consultant

Confidential, Overland Park, KS

Responsibilities:

• Responsible for understanding existing ETL Process and Design solution with Hadoop Ecosystem.
• Understand the requirements and Prepare HLD documents based on requirements
• Supported latest upgrades for existing Hadoop cluster.
• Participated in gathering and analysis of business and technical requirements.
• Participated in Design and Implementation of Data Lake in Hadoop.
• Converting Functional requirement into Technical Requirement.
• Implemented code migration and participated in code reviews.
• Design and Developing Common Hive Script for Automation and Handling Late Arrival Data.
• Design and Developing Hive UDF to Generate Unique Dimension Key from Natural keys with HBase.
• Designed and Developed Hive UDTF to get ORC file counts.
• Involved in Performance Tuning.
• Written Hive UDF using Core Java.

Environment: Hortonworks HDP 2.3, Hive, HBase, Sqoop, Spark SQL, Teradata, Shell Script, Oozie, Core Java.

Tech Lead

Confidential, Kansas City, MO

Responsibilities:

• Allocating and Assigning work to the team.
• Responsible to analyze and understand end to end system flow.
• System Analysis - problem research/resolution, performance improvement.
• Design and Provide Solution to enhance performance and stability in the system.
• Creating POC on Hadoop Standalone Cluster to process sales data from Oracle.

Environment: Cobol, Jcl, DB2, VSAM, Unix, Oracle, Teradata.

Tech Lead

Confidential, Gaithersburg, MD

Responsibilities:

• Allocating and Assigning work to the team.
• Responsible for gathering requirements and design solution.
• Identifying Bottlenecks and Areas for Performance improvement.
• Reviewing all the work products delivered to client.
• Coordinating with offshore in developing and resolving issues.
• Estimating and Implementing Enhancements.
• Identifying recurring incidents.
• Providing resolution for implementation.

Environment: COBOL, JCL,DB2, VSAM, CICS, File Aid, Spufi, Xpeditor.

Tech Lead

Confidential, Hoffman Estates, IL

Responsibilities:

• Responsible for managing and leading multiple Applications.
• Estimation and work allocation to the team members monitor and track it till closure.
• System Analysis - problem research/resolution, performance improvement.
• Writing Specs, coding programs and also involved in testing
• Coordinating with offshore in resolving bugs and production fixes.
• Estimating and Implementing Small Enhancements.

Environment: COBOL, JCL,DB2, VSAM, MQ Series, CICS, Endevor, File Aid, Spufi, Xpeditor.

Technology Analyst

Confidential

Responsibilities:

• Responsible for Analysis of Business and Technical requirements.
• Arrange to pullover production data to test or development regions for testing purposes.
• Preparing Requirements documents, Impact Analysis, Detail Design.
• Prepare and test the code in unit and system testing regions. Debugging the programs.
• Preparing Unit and System test plans
• Testing and Reviewing all the work products sent to clients

Environment: COBOL, JCL, IDMS.

Senior Software Engineer

Confidential

Responsibilities:

• Coding & Unit Testing of Work assigned.
• Responsible for developing automated report generation for Batch Cycle.
• Testing all the work products sent to clients.
• System Analysis - problem research/resolution, performance improvement.
• Identifying and fixing program bugs.
• Implementing parallel processing of jobs where feasible.

Environment: COBOL, JCL, VSAM, DB2

Senior Software Engineer

Confidential

Responsibilities:

• Responsible for Resolving the Tickets
• Coding & Unit Testing of Work Packets assigned.
• Testing all the work products sent to clients.
• Identifying and fixing program bugs.

Environment: COBOL, JCL, VSAM, DB2

Software Engineer

Confidential

Responsibilities:

• As an Onsite Coordinator was responsible for Analysis of Business requirements.
• Work division allocation to offshore team.
• Presenting business and technical designs to the Client.
• Identifying and fixing program bugs.
• System Analysis - problem research/resolution, performance improvement.
• Estimation and work allocation to the team members monitor and track it till closure.
• Arrange to pullover production data to test or development regions for testing purposes.
• Liaising with Business Analyst and Architect in finalizing the Design
• Preparing Requirements documents, Impact Analysis, Detail Design.
• Prepare and test the code in unit and system testing regions. Debugging the programs.

Environment: COBOL, JCL, VSAM, Pattern

Software Engineer

Confidential

Responsibilities:

• Verifying and validating all the work products sent to clients.
• Identifying and fixing program bugs.
• System Analysis - problem research/resolution, performance improvement.
• Pull production data to test or development regions for testing purposes.
• Mentoring less experienced resources.
• Followed stringent Quality procedures for promotion of code to Production environment.
• Preparing Impact Analysis document.
• Prepare and test the code in unit and system testing regions. Debugging the programs.

Environment: COBOL, JCL, VSAM, Pattern