SR Mainframe Developer

Raveendra Rachamallu

Summary

Overall **+ years of total IT experience in Application Delivery, Application Development, Maintenance and support projects in fortune 100 companies

Roles performed as Technical lead, onshore offshore coordinator and Subject Matter Expert (SME) with domain expertise in Financial services, healthcare, Transportation, Banking, and Insurance domains

Expertise on Requirement analysis, Estimations, On-site/off-shore project execution model, and customer interaction

Strong experience in Design, developing, debugging, maintaining and enhancing Health Insurance Application using Mainframe technology. My technology Forte is COBOL, JCL, VSAM, DB2, Easytrieve, ISPF, IBM Utilities etc

Exposure to AdvantageGen, Ideal,DataCom, IMS and IDMS

Exceeded client expectations in development of scalable Mainframe Applications

Clear understanding of business procedures and ability to work as an individual and as a part of a team

Excellent analytical, functional, design and development skills with excellent communication skills, both written and verbal

Extensively worked on healthcare, Transportation, Banking, and Insurance domains

Very experienced in gathering Requirements and analyzing technical impact.

Experience creating and executing the Unit Test cases.

Experience with tools like XPEDITOR, FILEAID, SPUFI, PLATINUM and QMF.

Hands-on Experience in creating Test plans, Test strategies, Test data.

Well versed in validating Test Plans to expected Test Results

Experience in Unit Testing, Integrated Testing, System Testing and User Acceptance Testing

Participated in daily meetings with the team, walkthroughs and defect tracking meetings

Developed preventive measures on recurring Incidents and batch abends.

Provided support for system testing and Implementation.

ITIL V3 foundation certified from EXIM.

Skills Summary

Special Skills

Requirements Gathering,Analysis, Design, Estimations, coding & Testing

Team Management and Status reporting

Programming Languages:

VS Cobol II, Ideal, Stratus Cobol

Databases

DB2,Datacom,IMS,IDMS

Operating Systems

MVS, Win NT/2000/95

Control Languages

JCL

OLTP

CICS

Utilities

VSAM, ISPF/PDF, SMARTTEST,INSYNC, SPUFI, Advantage Gen

Tools

File-Aid, QMF, Xpeditor and Teradata SQL Assistant, MS Office, MS Visio

Educational

B.E in E.E.E from Madras University, Chennai, 2000

Professional Experience

Edward Jones, St. Louis, MO Oct 2016 – Till Date.

Sr Mainframe Developer

Request Respond & SRV Support, IDMS to DB2 Conversion: Dec 2018 – Till Date.

Portfolio Support & OAG Data Conversion: Oct 2016 – Dec 2018

Responsibilities:

Involved in discussions with business users and perform requirements gathering

Working as Mainframe programmer to support all the modules of the Portfolio Application

Creating the Detail Design Documents based on the Functional requirements and Business Requirements.

Coding the modules based on the Detail design documents to meet the functionality requirements.

Preparing the unit test cases and created the test plan documents.

Working on the Clone testing SIT and UAT Defect and provide the Resolution.

Preparing the implementation plan and the post implementation validation docs.

Working on the production incident and provided the resolution to meet the SLA.

Designing and developing the Batch and Online programs using the COBOL Language.

Designing and developing the Batch COBOL Db2, IDMS Module to process the operations in the Db2 Tables.

Designing and developing the Cobol CICS programs to transfer the data between the online modules using the TSQ, TDQ and Channels and containers.

Designing and developing many CICS BMS screens to display the details from the VSAM Files and Tables.

Created Requirement Traceability Matrix to track the completeness of given requirements

Environnent : COBOL, JCL, ENDEVOR, DB2, VSAM, MVS, SPUFI, File Master, Work bench, MKS Integrity, SFTP.

Express Scripts, St. Louis, MO 8/2010 to 10/2016

Tech Lead & Offshore Coordinator (1/2015 – 01/10/2016)

Project Name: Phoenix Development

Involved in workshops with business users and perform requirements gathering

Developed functional and technical specification documents

Provided effort estimates to the project management team

Involved in data model creation

Responsible for status tracking, identifying risks and issues, presenting the same to project management team on daily basis

Conducting review meetings on deliverables and obtaining approvals from Client team

Prepared High Level and Low Level design as per Requirements and presented them to client team

Establish off-shore team and trained them on the functionalities

Created check lists for the deliverables

Co-ordination with QA team for SIT and UAT testing, present the test results to Business team

Continual interaction with the stake holders to understand the issues and to provide workarounds / permanent fixes

Clarifications of technical and functional queries posed by team

Developed components for POD ( Proof of Design) during HLD phase

Created Requirement Traceability Matrix to track the completeness of given requirements

Technical Environment: COBOL, JCL, ENDEVOR, DB2, VSAM, MVS, SPUFI, File Master, Endevor, MS Visio, Oracle

Tech Lead & Offshore Coordinator (3/2014 – 12/2014)

Project Name: CDH Support

Accepting Incident tickets and creating a requirement documents and handing it to the team for the development

Offshore Coordinator

Responsible for work deliverables.

Co-ordination with team and client effectively.

Co-ordination with QA team and release management teams.

Continual interaction with the stake holders to understand the issues and to provide workarounds / permanent fixes

Clarifications of technical and functional queries posed by team.

Interacting with client to understand and analyze the requirements (CR).

Preparing technical specifications.

Technical Environment: Cobol, DB2, MVS, Windows – XP, SPUFI, File Master, Endevor

Team Leader (8/2010 – 3/2014)

Project Name: Workers Comp maintenance

Traveled to onshore for KT. Built the offshore team.

Responsible for Requirement gathering for the enhancement requested by Client.

Co-ordination with team and client effectively.

Conducting status meetings on weekly and need basis.

Clarifications to technical and functional queries posed by team.

Interacting with client to understand and analyze the requirements (CR).

Preparing technical specifications.

Writing queries using DBQ to extract data from various VSAM files reporting purpose

Technical Environment: Stratus Cobol, Files, Command macros, Forms, VOS

Royal Bank of Canada,Canada 3/2010 to 8/2010

Team Leader

Project Name: GRADS maintenance

Knowledge acquisition from Onsite

Interacted with client to understand and analyze the requirements (SCR).

Prepared Understanding document and high level estimates

Helped team members in developing and testing.

Coordinate the System Integration Testing and Sign-off.

Technical Environment: Cobol, DB2, MVS, Windows – XP, SPUFI, File Aid, Endevor

Legal and General, UK 4/2007 to 3/2010

Team Leader (6/2008 – 3/2010)

Project Name: FPF Application Support

Knowledge acquisition from SMEs and preparing System Design Documents.

Resolution of production problems within Service Level Agreements (SLAs) defined, and ensure system availability

Onsite-Offshore co-ordination

Continual interaction with the stake holders to understand the issues and to provide workarounds / permanent fixes

Technical Environment: Cobol, DB2, MVS, Windows – XP, SPUFI, File Manager, Endevor, QMF, DOC Direct, Debug

Team Lead (4/2007 – 1/2008)

Project Name: ADF to COBOL Conversion

Interacted with client to understand and analyze the requirements

Prepared Project Plan and was involved in high level estimates

Involved technically in Development phase of the Project Plan

Involved in developing the test cases and executing the System Integration Testing

Technical Environment:Cobol,IMS DB/DC, MVS, Windows – XP

Canadian Imperial Bank of Commerce, Toronto, Canada 10/2006 to 6/2007

Module Leader

Project Name: Co-Borrower Implementation

Interaction with client and understand/Analysis the requirement.

Analyze/Review the business objective and functional requirement and prepare the estimates.

Identify and design the changes to all the impacted systems

Prepare the project plan and Build the changes.

System Integration Testing.

Technical Environment: MVS, Windows – XP, Advantage Gen, JCL,DB2,GDF, SPUFI,File Aid

AXA Insurance, Lytham, U.K 8/2005 to 6/2006

Module Leader

Project Name: SOLUS

Requirements gathering and documenting

Interaction with client and understand/Analysis the functional requirement.

Building technical specifications.

Attending review meetings.

Offshore coordination and knowledge sharing.

Developed POLARIS interface, which was core for projects success.

Technical Environment: MVS, Windows – XP, COBOL, IDEAL, DATACOM

Panalpina Management Ltd., Basle, Switzerland 5/2004 to 8/2005

Developer

Project Name: FOS Application Maintenance

Involved in requirement gathering from the business users.

Involved in the documenting HLD and DLD.

Prepared Low level design for AE modules.

Developed Data validation module.

Was responsible for peer reviewing the modules.

Create Unit test case document and perform unit testing.

Technical Environment: Unix, Windows – 2000, OCL, COBOL, Message members, Format files, OPEN RS

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