Mainframe Developer

Srinivasa Gummadi

Senior Mainframe Developer Data Analyst

+1-945-***-**** ****************@*****.*** www.linkedin.com/in/gummadi-srinivasa

Professional Summary:

●Having 12+ years of Software development experience in Mainframe applications and Legacy Modernization Projects in system design, development, testing, and operational stability

●Experienced in both Production support, Development projects and Maintains an industry awareness of new developments in their area of expertise; learns and applies new and emerging concepts very quickly.

●Capable of handling multiple projects simultaneously.

●Worked in projects following Agile methodology and having Domain knowledge of Healthcare, Insurance and Investment-Banking Applications

●Deploy and support software releases into production environments.

●Ability to work with business partners to help define requirements and solutions.

●Experienced in technology roadmaps as well as coordinating cross-departmental projects that involve mainframe application migrations.

●Specialization in complex custom modifications within CyberLife's system and Vantage One.

●Provided technical solutions for DXC clients, primarily utilizing the CyberLife insurance application and Wealth Management Accelerator (formerly Vantage One).

●Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming languages and database querying languages

●High level of expertise with COBOL, Assembler, CICS, DB2, JCL, VSAM, IMSDB, SQL, Sort, MQ, SAS, EasyTrieve, EXpeditor, InterTest, Rexx, Procs, TSO, SPUFI, CA7, Endeavor, Changeman, Fileaid, Store Procedures, VTAM, Utilities (IDCAMS, IEBGENER etc.)

●Good Knowledge in Distributed technologies, ETL Transformations, Python, Pyspark, GIT, CI/CD, JSON, Snowflake, AWS Cloud Technologies.

Technical Skills:

Technologies: COBOL, Assembler,JCL, CICS, MQ, SQL, SAS,SORT, EasyTrieve

Databases: DB2, VSAM, IMSDB

Operating System: MVS OS/390, z/OS

Tools & Utilities: TSO/ISPF, SPUFI, OPC, File-Aid, InterTest, Expediter, Endeavour, Change man

Certifications:

●IBM Certified Database Associate - DB2 9 Fundamentals

●AWS Certified Solution Architect Associate

●Microsoft Certified Azure Data Engineer Associate

Education:

●Bachelor’s degree in Computer science and Engineering from SCR Engineering College(JNTU University) - 2008

Project Overview:

Project #5

Client: Experian - Core Solutions, India/Dallas, Texas September 2021 to Present

Role: Senior Mainframe Developer / Team Lead

Responsibilities:

●Leading the 6+ team of consultants on mainframe development and Legacy Modernization projects

●Responsible for proper documentation of complex technical systems to facilitate effective handover to operations by analyzing the Assembler, Cobol programs.

●Coordinating with Client team and Change the Cobol,Assembler programs according to client requirements

●Repeatedly Debug the Cobol/CICS programs as part of tool migration whether data is receiving from MQ team as per Client requirements

●Responsible in Handling the Delimiter files and convert it into Fixed length files using JCL Syncsort CNTL

●Provide implementation and post implementation support for the code installs.

●Provide On-call Production support to assigned applications and fix issues in the Assembler, Cobol programs

●Involved in data ingestion processes and optimization techniques.

●Document the functionalities of each mainframe components and present it to the clients and Identify the best way to migrate the program logic to a AWS Cloud and Snowflake system

●Understand the data aggregation and integration processes to identify and resolve data issues

●Validate the completeness and accuracy of the migrated data.

●Propose new Solutions to Clients for the improvement of the System and better performance of the system.

●Troubleshoot and resolve complex technical issues in a timely manner.

●Worked in Agile methodology and delivered projects within the sprint.

●Involved in the Sprint retrofit planning with Onsite managers and Create the Sprint tasks and assign to team members

●Interfacing with the Client managers, SMEs, Business partners and QA teams and developing applications under an onshore-offshore model

Technologies: Cobol, Assembler, JCL, DB2, CICS,MQ, EZTrieve, VSAM

Tools: Endeavour, FileAid, Expeditor, Syncsort

Project #4

Client: Bright House Financial - Vari System, Hyderabad, India November 2018 to September 2021

Role: Product Developer

Domain: Insurance (Vantage)

Responsibilities:

●Responsible for understanding the business & the technology of the client system.

●Convert the JCL,Programs and files names lifted from BHF to DXC naming standards

●Interact with BHF team and Change the Cobol programs according to new update rules

●Repeatedly Debug the Cobol programs as part of Lift & shift whether data is receiving from BHF team as per Client requirements

●Executing parallel batch processing on DXC system instances

●Produce test plan with inputs and review from BHF team

●Coordinating with BA’s to determine the GAPS in requirement.

●Helping the team members by providing Functional, Technical and Process related guidance whenever required.

Technologies: Cobol, JCL, DB2, CICS, MQ, SAS, SQL, VSAM

Tools: Endeavour, FileAid, Expeditor, Syncsort

Project #3

Client: AIG Life – (Master, PA-Master, ULA, CFO),Hyderabad, India November 2016 to November 2018

Role: Product Developer

Domain: Insurance (Cyberlife)

Responsibilities:

●Analyzing the functional specification documents.Provide estimated time for new work orders, create technical specification documents and do impact analysis for new work orders.

●Implemented custom CyberLife enhancements within new business, administration, billing, distribution, reporting, and correspondence. These enhancements included bonus interest rate processing, agent persistence tracking, death benefit options, policy value forecasting, and modifications to policy and annual statements.

●Collaborated with external systems such as VP/MS, Performance Plus, and DataExchange for web-enabled GUI modifications.

●Managed conversions for existing client products, including Term, UL, VUL, and Indexed Annuity policies, as well as CyberLife release upgrades and cherry-picked enhancements

●Creation of JCL, PROC's, and CONTROL CARDS for the coded batch programs..

●Worked on service desk tickets raised by the End User and provided the resolutions within SLA.

●Helping the team members by providing Functional, Technical and Process related guidance whenever required

Technologies: Cobol, JCL, DB2, SQL, VSAM

Tools: Endeavour, FileAid, SPUFI

Project #2

Client: Brown brothers harriman (UAF - P6 Project),Chennai, India September 2014 to November 2016

Role: Mainframe Developer

Domain: Investment Trade Banking

Responsibilities:

●Analyzing the functional specification documents.

●Analyze the existing programs and business requirements

●Developed a new online program using COBOL, DB2 and CICS as per Client requirements.

●Preparing the test data for subsequent subject area to test screens

●Writing test cases and executing with test data.

Technologies: Cobol, JCL, CICS, DB2, SQL, VSAM

Tools: Changeman, Intertest, File-aid, SPUFI

Project #1:

Client: IMS Health (Supplier Number Expansion),Chennai, India February 2012 to September 2014

Role: Mainframe Developer

Domain: Healthcare

Responsibilities:

●Responsible for understanding the business & the technology of the client system.

●Have a stage of analysis of requirements to testing and implementation support.

●Development of Cobol/SAS/JOB/PROC/Event & Updating existing COBOL / SAS programs.

●Preparing Unit Test Plan and executing with test data.

●Developed the programs as per the requirements received.

●Extensively testing programs being changed by us

Technologies: Cobol, JCL, SAS, IMSDB, VSAM

Tools: Endeavour, File-aid, Cybermation (ESP), BETA

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