SUMMARY:

• Results driven Mainframe Technology Professional with 8 years’ track record of working in Retail Banking and Financial Services domain to strategize business vision by understanding functional needs, designing and building applications, optimizing processes thereby decreasing cost and increasing operational efficiency for customers
• Proficient in handling projects from concept to completion
• Well versed in all facets of Software Development Life Cycle (SDLC) - requirements gathering, analysis, designing, coding, testing, implementation and documentation
• Excellent exposure to mainframe environment and competence in COBOL, JCL, CICS, DB2 and REXX for real time applications
• Sound knowledge in Mainframe release management
• Strong hands on experience in tools and utilities - INTERTEST, FILEAID, SPUFI, Changeman, EZTrieve, NDM, VSAM, DFSORT, ICETOOL, Tivoli Work Scheduler, Infoman, Servicenow and XML
• Collaboration with business analysts, managers, developers and testers to ensure technical compatibility and user satisfaction
• Procedural examining of business requirements, identifying options for potential solutions and assessing them for both technical and business suitability
• Skilled in research and analysis of existing applications to facilitate enhancement projects and implementing new user requirements without impacting existing application integrity
• Strong programming skills having developed 10,000+ lines of code in COBOL, JCL, DB2
• Interfacing with QA team and support- System Integration Testing, User Acceptance Testing, Production Assurance Testing
• Expertise in production install, support during live commissioning of the project, 24x7 job monitoring, troubleshooting and providing proactive solutions in the event of a failure
• Optimization and automation of repetitive tasks to reduce the turnaround time and save costs
• Good understanding of the Quality Compliance procedures and security policies followed in CMMI Level 5 companies
• Successfulhandling of multiple projects and deadlines concurrently with a proven ability of meeting all project deadlines
• Authored project plans, design documents, Validation plan, Test scripts, technical artifacts and materials to the finest detail
• Good leadership skills managing a team of 6 at offshore - hosting KT sessions, walkthroughs, defect tracking meetings and synchronizing with them to achieve targets

TECHNICAL SKILLS:

Programming Language: JCL, COBOL, EZTRIEVE, REXX, CICS, MQ

Databases: DB2, VSAM

Source management Tool: Serena Changeman

Operating Systems: Z/OS, MS-Windows

Online: CICS

Tools: /Utilities: Intertest, File-Aid, Changeman, SAR, DFSORT, ICETOOL, OPC, Tivoli, MQ, SPUFI, TSO/ISPF,HP Quality Center, XML Parser, Infoman, Servicenow.

Other Skills: Agile/Scrum methodologies

PROFESSIONAL EXPERIENCE:

Mainframe Developer Lead

Confidential, Long Island City, NY

Environment: Z/OS, COBOL, VSAM, JCL, TSO, ISPF/PDF, DB2, CICS, IBM Utilities, Changeman, SharePoint, NDM, Eclipse, TWS

Responsibilities:

• Analyzed User Requirements and functional specifications to transform the need of business users into technical requirement
• Studied customer needs, provided recommendations and prepared design documents for the best possible approach
• Held discussions with impacted up stream apps to finalize the data sources, schedule the batch processes so the jobs run on precision for all co-related application changes
• Developed new batch modules using COBOL, JCL, VSAM andIBM utilities based on mapping rules as per applicable language standards
• Developed online modules using CICS- COBOL programming
• Extracted demographic information from the GCIF database using COBOL - DB2 program
• Scheduled jobs in both Test environments and Production
• Created Unit Test Documents containing test case procedure, data sources, results, and screen captures highlighting input and output data, indicators, and system display statements
• Created SQL queries to validate data in backend
• Created release plans and deployed applications into production in periodic releases
• Prepared implementation script and raised change management tickets for Production migration
• Performed Root cause analysis for issues in the Test/Production environment during SIT, UAT & implementation
• Coordinated the defect meetings between the development team and QA team and documented fixes and resolutions
• Mentored offshore team throughout the development and testing phase

Confidential

Environment: Z/OS, COBOL, JCL, TSO, ISPF/PDF, Changeman, IBM Utilities, SharePoint, TWS

Responsibilities:

• Actively participated in discussionsto understand business rules in identifying the Confidential and Citi pay transactions when initiated by customer, agreed on the transaction codes and transaction description patterns for payment services
• Authored the technical design for processing of data from Transaction Journal for Confidential and Citi Pay
• Coded modules to handle transactions and route them to payments downstream application
• Created integration test cases and traceability matrices to make sure all the requirements are covered in all test environments
• Maintained contacts with the business units to aid in the communication of business impacts to systems
• Investigated and resolved issues in case of post implementation defects

Confidential

Environment: Z/OS, COBOL, JCL, TSO, ISPF/PDF, Changeman, IBM Utilities, SharePoint, TWS

Responsibilities:

• Identifying and batch processing of transactions and analysis of the dispute reported by the customer
• Performing corrective action on the account (credit and debit card adjustments) to ensure data accuracy across the different interfacing applications
• Delivering handoffs to Exstream application for printing of notices for customer communication if required
• Routing the disputed transactions to impacted product processors(Transaction router, Lending solutions, IMPACS ) for data synchronization across all apps
• Creating feed for the eclipse 360 screen that’s a front end screen made available to customer for verifying the resolution of the dispute reported

Confidential

Environment: Z/OS, COBOL, JCL, TSO, ISPF/PDF, Changeman, IBM Utilities, SharePoint, TWS

Responsibilities:

• Held discussions with business to decide on the parameters critical for the remediation activity - tax identification number, corporate identification number
• Created programming logic for mass data extraction of targeted accounts and then queue them up for remediation
• Developed validation routines to ensure data accuracy as this is a critical handoff to the bank’s legal team
• Coordinated with testing teams and business to validate the handoff

Mainframe Developer Senior

Confidential, Long Island City, NY

Environment: Z/OS, COBOL, VSAM, JCL, TSO, ISPF/PDF, Changeman, IBM Utilities, SharePoint, Intertest

Responsibilities:

• Conducted mapping sessions with interfacing applications to define mapping rules for products in scope for the conversion
• Researched the existing system and documented the migration process to capture information on the impacted apps
• Prepared mapping documents and technical design
• Researched the possibility of reusing existing routines and called programs to save effort and time
• Constructed batch and online components as per the mapping rules
• Supported the migration of modules using the Changeman tool by packaging the modules and casting them to production
• Scheduled jobs using IBM Tivoli Workload Scheduler
• Created unit test plans and results for thorough testing of process prior to production
• Developed file comparison programs/ reconciliation reports to compare the existing and newly generated files by the system to various down-stream applications to enhance testing capabilities
• Extended support for SIT, UAT and Load testing
• Provided resolution in the event of post implementation defect and until 3 months after install
• Defect management using HP Quality Center
• Created supporting documents listing issues, red flags and learning during each stage of the project to help debug problems that were encountered in productionand for future wave conversions

Mainframe Developer

Confidential, Long Island City, NY

Environment: Z/OS, COBOL, JCL, TSO, ISPF/PDF, Changeman, IBM Utilities, SharePoint, Eclipse, TWS

Responsibilities:

• Performed sanity check on table updates if they comply with data quality standards, architectural guidelines and design
• Addressed the requested branch updates from Business
• Developed modules to ensure data accuracy eliminating delay for customer access to aggregate data
• Created Implementation Script for the Production Install to track changes
• Coordinated with Infra team for project releases
• Validation of data in the Eclipse 360 screen (front end screen) of Confidential
• Maintained a log of all changes to the branches and documented the impacted applications
• Provided supported to applications to analyze the impact and achieve synchronization

Confidential

Environment: Z/OS, COBOL, JCL, TSO, ISPF/PDF, Changeman, IBM Utilities, SharePoint, Eclipse, TWS

Responsibilities:

• Developed modules based on the design documents
• Developed COBOL- CICS programs to interface with online Eclipse 360 screen
• Prepared unit test reports and supported SIT and UAT Testing
• Provided post implementation support to handle defects and provide resolutions
• Actively participated in discussions with various teams to identify the risks and challenges for the Confidential project
• Developed REXX tools to help in data validation
• Analyzeddataset attributes on Production LPAR and altered them to address space issues to free up Tape usage
• Secured critical data and transaction logs from every posting by backing it up into TAPE and maintaining a repository that can be recalled into DASD for future investigation