PROFESSIONAL SUMMARY:

A Seasoned Senior Hadoop Developer having 9.6 years of experience in IT industry with domain knowledge of Banking/Credit Card and an aptitude to learn new domains. Achieved significant targets in process and productivity initiatives by providing solutions to save cost, time and manual effort.

AREAS OF EXPERTISE:

• Software Development
• Agile, Software Development Life Cycle (SDLC), Waterfall
• Requirement gathering and documentation
• Analysis and code development
• Extract, Transform and Load (ETL)
• Data Analysis
• Reporting
• Project Planning
• Risk Assessment and Impact Analysis
• Implementation and production support
• Team and Project Leadership
• User Acceptance Testing

TECHNICAL SKILLS:

Database: Hive, DB2, VSAM, Oracle

Language: SQL, Python, Hadoop ecosystem, HDFS, Map Reduce, Spark, UNIX, COBOL, JCL, VSAM, CICS, Basic knowledge of C/C++ and Informatica

Platform: Windows, Unix

Tools: GIT, Putty, Jenkins, Expediter, Endeavour, File - aid, TSO, SPUFI, HP Quality Center, Microsoft Excel, Infoman, Viper, Service Now, ESP, Control - M, Jobtrack

PROFESSIONAL EXPERIENCE:

Confidential, Austin, TX

Senior Hadoop & Mainframe Developer

Responsibilities:

• Liaise with business and stakeholders to understand scope of project and requirements .
• Create High Level Design and detailed design documents with support of architects for the assigned scope items .
• Develop code in Hadoop & Mainframe technologies and perform Unit Testing .
• Develop Python and UNIX scripts using SQL and HIVE to generate daily and monthly reports for third parties.
• Generate Daily and monthly reports using SQL, HIVE and Hadoop framework.
• Perform UAT and regression testing.
• Roll-out as per Agile compliance.
• Work o n tight deadlines and provide regular progress updates against agreed milestone.
• Proactively, initiate, develop & maintain effective working relationships with team members. Coordinate with offshore team members & third party.
• Modified extraction reports using SQL which resulted in saving ~5 hour s of extraction time.
• Saved ~400 USD per day by reducing the high CPU utilization of batch jobs by fixing the existing issues.
• Decreased issues by 30% by various methods like creating knowledge repository of known issues and sharing with business team, giving system training sessions to business users.
• Created additional reports using Hive and Python, which helped planners to act on real time basis and decreased turnaround time by 30%.
• Effectively managed a team size of 8 without any issues or post implementation bug reported by business and received Best TEAM award twice for outstanding performance.
• Prepared automated Python and UNIX script to pull out data from source and refresh the monthly report therefore no dependency on team to generate report.
• Automated validation checks of weekly report using SQL and Python Scripts.
• Increased issue resolution by 25% even after decrease in resource count by 30% by using best practices like creating technical knowledge documents, training resources in multiple systems.

Skills: SQL, Hadoop, Big Data, Map Reduce, HDFS, Python, PySpark, UNIX, Hive, Putty, GIT, Mainframe, COBOL, JCL, DB2, VSAM, Control-M, Xpeditor, SFT, NDM, ESP, Control-M.

Confidential

Senior Consultant

Responsibilities:

• Prepare Business requirement document (BRD).
• Design scalable, configurable, maintainable for complex business problems
• Writing high-performance, reliable and maintainable code
• Develop Mainframe code (COBOL, JCL, DB2, VSAM, IMS, CONTROL-M) and perform Unit Testing.
• Coordinate with offshore team.
• Review and analyze test results to confirm and communicate the cause of discrepancies.
• Perform User Acceptance testing, regression testing and prepare Test plan document.
• Subject Matter Expertise of Returned Payment application. Developed several automation tools like Implementation Plan to help business overcome day to day issues.
• Testing and Roll-out as per SDLC compliance.
• Prioritize outstanding defects and system problems ensuring accuracy and deadlines were met.
• Prepared SQL queries and automated some of the reports to pull out daily data.
• Decreased issues turnaround time 30% by various methods like automating solution of known issues and sharing with team.
• Proactively found and resolved system performance issue by doing high level review of system. For example; Saved ~300 USD per day by reducing the high CPU utilization of jobs by fixing the system issue.
• Created detailed Implementation Plan before code install with detailed validation steps.

SKILL: SQL, COBOL, JCL, DB2, IMS, Changeman, Infoman, Expeditor, CONTROL-M, VSAMJobtrack, Service Now, ManageNow

Confidential

Senior Software Developer

Responsibilities:

• Project Planning & Scheduling
• Analyzed the existing Cobol programs, Jobs, DB2 Database
• Created Functional Designs from the Business Requirement Documents.
• Created system Flowcharts using VISIO
• Requirements Analysis
• Designed/Coded new programs using COBOL, JCL, DB2 and SQL for Unbilled Updates and Mainline Billing.
• Created on-line and batch program modules
• Provide design recommendations to leadership or stakeholders that improved review processes and resolved technical problems.
• Customer interfacing

SKILL: SQL, Mainframe, COBOL, JCL, DB2, VSAM, IMS, CICS, CHGMAN, Job-track, VISIO.