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Senior Mainframe Developer Resume

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New York, NY

SUMMARY

  • Result driven IT professional having 10+ years of experience, involved in Application Development, Maintenance, Support and code and data migration of IBM Mainframe Technologies.
  • Experience in each phases of Software Development Life Cycle (SDLC). Experience in Agile Methodology, Waterfall based development.
  • Well Experienced in the domains of Financial Services, Health Care, Telecom, Credit Card, Life Insurance and Auto Insurance.
  • Experience working as an onsite coordinator attending the project review meetings with Clients gathering requirements, preparing High Level Design(HLD), Low Level Design (LLD), transitioning the requirements and design to offshore for the Build activity.
  • Strong Hands on experience requirement gathering, analysis, design, development of COBOL programs, DB2 native stored procedures, JCLs and DB2 Queries, implementation, testing and integration. Good work experience as Mainframe Data Analyst (data reconciliation, Integrity check, profiling and Mapping).
  • Perform impact analysis, Trouble shooting and provide solutions to user's change requests.
  • Strong experience in Performance Tuning (As part of MIPS reduction) of Complex programs/procedures, run explains on SQL queries and increase the performance of database with effective Index updates, RUNSTATS, rebinds and database Constraints.
  • Good knowledge and best practices of testing environments and Quality processes.
  • 1 Year experience in Informatica Power Center (ETL) to Extract, Transform data from various sources Flat files, Text files, Excel and CSV files, Oracle and Load into IBM DB2, flat files and Working knowledge in UNIX.
  • Expertise in analysis, design, coding and testing in Multi - tiered and Layered applications.
  • Worked on developing and testing, DB2 version migration and testing.
  • Experience in DB2 utilities UNLOAD, LOAD, IMAGE COPY, REORG, RUNSTATS, and REBIND.
  • Solid experience with writing complex Stored Procedures, SPUFI, QMF, SQL Queries and Cursors.
  • Well versed in using HP Application Life Cycle Management Tools (ALM), HP Quality Center, Service Now, Service Manager, TCM, Serena and JIRA.
  • Ability to multi-task work across different applications. Diverse work experience with different functionalities of the application, with Development and Production Support projects.
  • Excellent working knowledge in COBOL, JCL, DB2, IMS DB, VSAM, CICS, REXX, CLIST, SAS, Easytrieve and CICS Web Services in z/OS. Good knowledge on Assembler and PL/I.
  • Expert in using MS Visio and Other MS office products Office, Power Point, Access.
  • Developed many stored procedures to extract the data from table and send through APIs, calculate Performance summary, Asset allocation, Asset allocation overtime, Standard Deviation, Alpha, Beta and R-Squared reports for Account, Composite and PM Composites.
  • Work experience in various Version Control Tools like ChangeMan, Endeavor, Panvalet, GIT, and Jenkins.
  • Easily adaptable to New Technologies, well demonstrated to understand complex mainframe applications and able to achieve challenging deadlines.

TECHNICAL SKILLS

Languages: COBOL, JCL, REXX, CLIST, CICS, EASYTRIEVE, SAS, HTML, XML.

Databases: DB2, IMS DB, VSAM, Oracle, Teradata

Schedulers: CA-7, OPC, TWS, ESP, CONTROL-M, AUTOSYS

Tools: File-Aid, File Manager, XPEDITOR and INTERTEST, Abend Aid, General IBM

Utilities: ICEMAN, ICETOOL, SYNCSORT, SAR, SDSF, TOM, JHS, CoolGen, Quality center, AQT, MQ Series, Enterprise Analyzer, Informatica Power Center 9.6.1.UNIX Shell Scripting, TSO, ISPF, Core Java, and DevOps Concepts.

Version Control: Endeavor, Panvalet and Changeman, Git and Jenkins.

Project Tools: Service Now, Service Manager, ALM, JIRA, Serena, HP Quality Center and ALM.

PROFESSIONAL EXPERIENCE

Confidential, New York, NY

Mainframe Lead Developer (Onsite)

Responsibilities:

  • Perform analysis, coding, and unit testing of existing and/or new systems
  • Provide maintenance and support for existing systems
  • Develop design specification documents such as SRS, BRD, HLD and LLD for projects
  • Developed DB2 data archival jobs to take daily, weekly, monthly image copy of tablespaces and reorg with discard data older than 3 months, 2 years and 7 years into tape files.
  • Coded Reformat, validate and load processes jobs and programs for Yodlee asset aggregation project.
  • Developed API Stored procedures to retrieve requested data and send the result set back to front end.
  • Developed REXX/CLIST scripts to generate reconciliation report on daily basis and send an exception reports in email.
  • Developed One-time update easytrieve programs to populate data in newly added columns from old columns.
  • Code reviews, Data quality checks and performance turning of batch process and API programs.
  • Adhere to SDLC and Agile standards, and conduct design and code reviews.
  • Analyzed decommission tasks, DALN jobs in TWS, Scratch components from ChangeMan libraries.
  • Developed CICS programs to read messages from MQ to validate data and insert into appropriate tables
  • Preparation of the Test Plan and review of Test Cases (Unit, Integrated & System).
  • Drive various team meetings, scrum calls, weekly status meeting, Writing SDS
  • Played a role as Business System analysis

Confidential, New York, NY

Senior Mainframe Developer

Responsibilities:

  • Perform analysis, coding, and unit testing of existing and/or new systems
  • Provide maintenance and support for existing systems
  • Develop design specification documents such as SRS, BRD, HLD and LLD for projects
  • Project coordination and Quality Assurance.
  • Timely communication clients and response to User queries
  • Knowledge transition and process improvement.
  • Impact analysis and documentation, Review of Design and Code and Unit test plan.
  • Coordinate Defect Prevention Meeting and maintain Defect log.
  • Involved in the design of the database for respective modules and developed Stored Procedures & Cursors using DB2.
  • Involved in application support and bug fixes.
  • Support System Testing and User Acceptance Testing
  • Create Ad hoc Job for data update and reports
  • Assist with defining and documenting user requirements
  • Assist with development of user manuals, procedure and training documents
  • Provide leadership, work guidance and training to less experienced personnel
  • Interact with customers and team members to clarify requirements

Confidential, Tampa, Florida

Project Lead (Onsite)

Responsibilities:

  • Responsible for all the phases of SDLC Life Cycle from requirement phase to design, code, test, debug and documentation.
  • Code review and Defect fixing.
  • Online transactions via CICS
  • Analysis and Understanding the requirements & functional specifications.
  • Preparation of Technical Specifications based on the existing functionality and requirements.
  • Problem Diagnosis and working with other engineering groups.
  • Prepared test cases, test data and performed Unit, System and UAT testing.
  • Perform Peer review and log any issues and track till it is closed.
  • Status Reporting and Responsible for the final delivery
  • Organize Quality assurance meeting.
  • Perform HLD, Code and Test case review.
  • Utilized DB2 utilities to load and unload the tables & also did some performance tuning utilizing the analysis generated by the DB2 EXPLAIN function
  • Development and Maintenance are done on IBM Mainframe Platform
  • Preparation of the Test Plan and review of Test Cases (Unit, Integrated & System).
  • Involved in various status meetings, scrum calls, Quality meetings, Risk meetings.
  • Data validation, Business rule validation, Data Classification and mapping.
  • VSAM to DB2 conversion

Confidential, Bloomfield, CT

Sr. Software Developer

Responsibilities:

  • Perform technical design and hands-on coding for development and enhancement efforts.
  • Interacting with Business Analysts, getting the requirements and prepare technical documents.
  • Creating new online programs, batch programs, JCL, testing by programmers and users.
  • Doing Code reviews, validating and verifying Test results delivered by other team members.
  • Maintaining the existing system included making user requested changes/enhancements.
  • Developing CICS screens and COBOL programs to invoke by transactions.
  • Created monthly Compensation reports for producers to put on servers for customer access.
  • Accessing data from VSAM, DB2 and IMS DB databases.
  • Monitoring the SQL statement performance in Omegamon and tuning the SQL queries.
  • Developing the COBOL programs to read data from IMS DB and DB2 databases to process and generate reports.
  • Providing 24X7 On-call Production support and fixing the production abends.

Confidential

Senior Programmer Analyst

Responsibilities:

  • Requirement analysis and Design. Maintenance & Enhancement of legacy components.
  • Analyze the requirement and create Technical Specification
  • Development in COBOL, JCL, DB2, VSAM, CICS, DB2 Stored procedures.
  • Testing of COBOL programs, JCLs, Db2 SQLs and Implementation.
  • Project runs on IBM Mainframe platform. Code review and Defect fixing.

Confidential

Sr. Software Developer

Responsibilities:

  • Interpreted the requirements of business into design solutions.
  • Reported daily status to Technical Delivery Managers and Management.
  • Doing code changes, testing and implementation to production.
  • Support, enhancement or maintenance existing applications.
  • Coordinated with the operations areas and lines of business to spot out and specify complex business requirements and processes
  • Make recommendations, researches and find out alternative solutions
  • Development in Cobol, JCL, DB2, VSAM, CICS
  • Project runs on IBM Mainframe platform. Code review and Defect fixing.

Confidential

Programmer Analyst

Responsibilities:

  • Consults with internal business groups to provide appropriate application software development services or technical support.
  • Analyzes, defines and documents requirements for data, workflow, logical processes, interfaces with other systems, internal and external checks, controls, and outputs.
  • Analyzing the Customer requests and preparing HLD or LLD design documents.
  • Doing Code changes, Unit, System, integration testing and Code Peer reviews.
  • Implemented the Code changes in production and scheduling of jobs.
  • Peer reviews of the Code changes and Test results. Developed CICS Maps using SDFII Tool.
  • Maintaining the existing system included making user requested changes/enhancements and being on call to take care of any issues that arise.
  • Technologies used: Cobol, JCL, VSAM, DB2, CICS, MS Office, MS, DB2 Cursor, DF Sort, CA-7, z/OS, REXX, TSO, Microsoft Visio.

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