Lead Mainframe Developer

SUBRAHMANYAM GUDIPATI

Lead Mainframe Developer/Project Leader

Email Id: ******@************.***

Cell: 502-***-**** EXTN 5014

Professional Summary:

Over 10 years of work experience in Mainframes and related tools in Batch and Online Enviroments.

Expertise in Application Design, Development, Maintenance and Support of Mainframe applications.

Involved in Design, development, implementation, testing, support and documentation of Banking, Financial Services, Manfacturing and Telecome applications using Mainframe.

Excellent analytical, problem solving, communication and inter-personal skills to manage and interact with individuals at all levels. Able to interact effectively with other members of the Business Engineering, Quality Assurance and other teams involved with the System Development Life cycle.

Good experience in all the phases of Software Development Life Cycle which includes Waterfall and Agile Methodologies.

Requirements gathering and analysis, design, programming/testing and Maintenance.

Very Good experience in Impact Analysis and Documentation of Analysis in Large Mainframe projects.

Good experience in coding using Cobol and JCL.

Extremely self-motivated, quick learner, team player.

Good Experience in Version Control Tools like Endeavor and Changeman having worked on multiple environments (Test & Prod)

Good Experience in File and DB2 Table accessing tools like File Manager, File Aid, SPUFI & QMF

Working Experience in Debug tools like Expeditor and IBM Debugger.

Working Experience in CICS online programming.

Good experience creating Test Cases, and Test Scenarios.

Handled Defect Tracking and Management using HP Quality center.

Working experience in Production Support activities. Solving Batch Job abends.

Working knowledge of scheduler Control -M

Experience in estimation of different types of work packets like Change requests and Projects and Work allocation.

Good experience in Project Transition related activities. Successfully Transitioned an important and technically complex application. Made sure thorough and effective Documentation of Transition is maintained.

Good experience in coordinating projects in onsite and offshore working model. Good experience of coordinating with geographically dispersed teams, delegating the work and handling the teams.

Working experience in leading a team as large as 10 members and being responsible for every deliverable made.

Working experience in reviewing performance and providing feedback in the yearly appraisal process.

Excellent team player, with strong skills in Problem Solving, Interpersonal, Oral & Written communication.

Eager to learn new technologies.

Education

Bachelor of Electronics & Communication Engineering from JNT UNIVERSITY, INDIA.

TECHNICAL SKILLS:

Operating System

IBM OS/390, Z/OS, Windows

Languages

COBOL, JCL,CICS

Databases

DB2, SQL Server, VSAM,Oracle and IMSDB, UNIX

Special Software and Tools

Sync Tools,, Abend-Aid, TWS, NDM, FTP, Citi Direct, Citi Connect, Citi SFT Configuraion

Certifications

IBM Certified Database Associate – DB2

Mainframe Scheduler Tools

OPC,CA7,CA11

Mainframe Tools

TSO/ISPF, File-Aid, File-Aid for DB2 and File-Aid for IMS, NDM, Change Man, File manager, Panvalet, TSO, ISPF, QMF, SPUFI,Abend Aid, Expeditor, Endevour, MQ,Xpeditor

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PROFESSIONAL EXPERIENCE:

Citigroup, New Castle, DE (Aug 2013 to Current)

Lead Mainframe Developer/Project Leader

Project Overview: Development and Maintenance of Treasury and Trade Solutions group applications. Currently I am working on a Control Disbursement and Receivables applications which includes Lockbox,EDI,ACH,WIRE,P&P and C4C.A lockbox is a post office (P O)box that is accessible by a bank. A Company may set up a lockbox with their bank for receiving customer’s payments. The company’s customer’s send their payments to the PO box. Then the bank collects and processes these payments directly and deposits them to the company account.

Control disbursement Institutions use TTS to support their treasury operations with global solutions for payments, collections, liquidity and investments by working in partnership with export credit agencies and development banks. It also sells supply chain financing products as well as medium- and long-term global financing programs across multiple industries.

Roles & Responsibilities:

Execution of the project end to end.

Active Involvement in the Project Design review meetings and providing inputs for Business Requirements Document (BRD) from application perspective.

Preparation of the High Level Design (HLD) and Low Level Design (LLD) Documents.

Review of the HLD/LLD documentation with the project team and other applications involved.

Execution of Change Controls in case of any deviation in the design requirements.

Coding as per the requirements listed in the HLD/LLD.

Development of the New batch Programs using COBOL, JCL,DB2, VSAM.

Conduct Code reviews as per the project guidelines.

Preparation of Unit Test scripts and their execution.

Assisting the testing team with System Integration Testing.

Fixing any defects which arise during the Unit testing and System Integration Testing.

Providing technical assistance to the Test team if required.

Helping the application users for User Acceptance Testing (UAT).

Working with Quality Assurance (QA) team for the final review of code and test results.

Creation of Change Packages to deploy the code into production.

Monitoring the execution of the change packages and review of the components in production after installation.

Execution of the pre-production certification test scripts and review of the results.

Monitor the actual production batch run and the online transactions.

Complete the project documentation and upload them to the application SharePoint site.

Attend all the project related status meetings and provide updates.

Status reporting on a daily basis to the Project and application leadership.

Co-ordination of activities between the onshore, offshore and nearshore teams.

Conducting team meetings from the operational standpoint and resolve issues if any.

Developed SQL queries to check the database automatically and checking the data integrity in accordance with business standards of the company.

Technology: COBOL, JCL, VSAM, DB2 AND CICS

Tools : CHANGEMAN,OPC,SPUFI, File-Aid, File-Aid for DB2,Connect Direct, Service Now, CITI Connect, CITI Direct, CITI SFT Configuration Setup’s, Oracle, MQ,IBM utilities, Xpeditor,

Chrysler LLC, Hyderabad, India (Jul 2011 to Jun 2013)

Mainframe Developer/Team Lead

Project Overview:Mopar has developed its system to serve Manufacturing giant Chrysler to build & serve the vehicles that Chrysler sells. Main functions of the Mopar is Receiving parts from suppliers, Distributing parts through warehouses and distribution systems, Mopar selling parts to dealers, Dealers selling parts. EBOM tracks all the parts supplied for build the vehicles and SBOM tracks all the serviceable parts. The Mopar Part Master is the backbone of most of the Mopar systems that allow us to procure, receive, and sell parts that enable our dealers to service Chrysler vehicles.

Roles & Responsibilities:

Good Experience on Agile and waterfall models.

Interacted with Business user for Project Requirements.

Coordination of both Onshore and Offshore teams on the day to day activities.

Worked in the Analysis, Design, Coding and Testing phase of the project.

To modify the Existing IMS system according to PENTA-SAP DB2 Conversion.

Good Experience on Migration Project.

Solved Batch abends as the person primarily responsible for day time batch production support.

Ensure the quality and timely delivery of daily activities.

Ensure the timely delivery of the Ad-hoc tasks along with regular activities

Worked on Process Improvement of the system.

Good Analytical and interpersonal skills to work and communicate effectively with team members.

Proficient in all aspects of the system development cycle, include requirement Analysis, design,Unit Testing and Integration Testing.

Debugging and Implementing the system using IBM Debug Tools.

Involved in preparing Test plans for Independent Unit Testing and System Testing.

Impact Analysis for requirement changes, finding affected list of programs and homogenous Implementation.

Setting up process to be followed from Offshore.

Perform peer review and Log any issues and track till it is closed.

Status reporting and Responsible for the Final Delivery.

Technology: COBOL, JCL, VSAM, DB2, IMS DB

Tools : CA7, CA11, FILE AID, Service Now, QMF,ENDEVOUR,ABEND AID,FTP, NDM, MQ, Expeditor, File-Aid for DB2 and File-Aid for IMS.

AT&T, Pune, India (APR 2008 to Jun 2011)

Mainframe Developer

Project Overview: EDI is part of the CRIS Mainframe billing cycle. EDI processing takes place at the end of bill cycle for each of the 20 billing periods each month.EDI application creates a MTF (map to file) each bill period. The file is passed to DTG (Data Transformation Group). The DTG group then translates into the 811 transaction set. The 811 transaction set is the EDI transaction set that is used for the electronic phone bill. This transaction set provides for the billing or reporting of complex and structured service invoice/statement detail. DTG then transmits the EDI telephone bill to the customer to process into their application

Roles & Responsibilities:

Receiving the Business requirement from the client.

Analyzing the functional and detail designed specifications.

Design and development of programs and jobs using JCL, COBOL, VSAM, DB2, CICS.

Knowledge sharing within the team.

Actively involved in learning the applications.

Reviewing programs for QA.

System testing of Programs.

Debugging and implementing the system.

Involved in Production support Activities. Ensured the batch cycle gets completed in time. Also, fixed the issues within the time mentioned in Service Level Agreements (SLA).

Work involves fixing Abends such as Space Abends, File Contention Errors, VSAM Space Abends and DB2 Abends.

Also Involved in Monitoring Batch cycles.

Analyzing modifications, findings affected list of programs Implementation.

Involved in preparing test plans for Independent Unit Testing and System Testing.

Responsible for correct Version of code by creating and moving the package using Panvalet.

Handling Ad-hoc Requests.

Technology: COBOL, JCL, VSAM, DB2 AND IMSDB

Tools : CA7,CA 11, SPUFI, File-Aid, File-Aid for DB2, File-Aid for IMS DB,,NDM,Service Now, QMF, Panvalet, ABEND AID,FTP,SFTP,MQ, Xpeditor, Control –M

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