Mainframe Developer
Resume:
NITHYA BALRAJ
************@*****.***
Key Competencies
Mainframe Application developer, with 8+ years of hands on experience in application development, involved with All phases of SDLC.
Extensive experience working in the domain of Financial and Banking applications, Retail, Healthcare, Insurance and Order management.
SME (Subject Matter Expert) of IBM’s rational tool for Mainframe developers; RDz
(Rational Developer for System z).
Core competence in Mainframe technologies in the area of Core Application design, Development, Enhancement, Maintenance, Testing and Production support.
Experience working on the project built using the Agile Methodology. Involved in the estimate planning, design discussions and scrum meetings for the project.
Expertise in developing mainframe applications using COBOL, IMS-DB, DB2, JCL, VSAM, CICS under OS/390, MVS.
Having well understanding of Database concepts. Worked extensively in Relational databases, Hierarchical database, Stored Procedures.
Special competence in EDI (Electronic Data Interchange) technology; Good functional knowledge on EDI Procurement and Payments transactions.
Experience in analyzing the Business Functional Specifications, Design Specifications and Detailed Design document.
Specialized in mainframe testing at Unit level, Component Integration level, System Integration level and Batch terminal simulator(BTS) testing.
Adept in Team Management like tasking, monitoring, skill upgrade, competence management, career planning, motivation & mentoring of the team.
Cohesive Team Player with Fast Learning Curve along with strong analytical, problem solving, innovation, communication & interpersonal skills.
Self-motivated, highly committed to responsibilities and ability to work independently. Ability to perform well within cross-functional teams.
Big Data Knowledge
Good Knowledge with the tools in Hadoop Ecosystem including Hadoop, Hive, Pig, HDFS, Sqoop, Flume, Impala.
Good Knowledge on Hadoop architecture, Hadoop Distributed File System (HDFS).
Having knowledge on different execution engines and its usages: Tez, MapReduce(YARN), Spark.
Professional Certifications
Oracle PL/SQL Developer Certified Associate
Oracle certified Program with PL/SQL
Oracle certified Introduction to ORACLE 9i: SQL
IBM Certified Database Associate
DB2 UDB V8.1 Family Fundamental
Horton works certified- HDP Certified Developer (HDPCD).
Acquired Certifications
IBM Badges:
IBM’s Explorer Badge of ‘Big Data Hadoop Foundations’
IBM’s Explorer Badge of ‘Data Science Foundations - Level 1’
IBM-Big data university certifications:
Accessing Hadoop Data Using Hive
Hadoop Fundamentals I
Data Science 101
R 101
Certification from Linkedin’s Lynda:
Hadoop fundamentals
Education
B.E., (Electronics and Communication Engineering) from Bharathidhasan University.
Technical Skills
Technology
Mainframe, Hadoop, Hive, Pig, Sqoop, YARN, FLUME, Spark,
Electronic Data Interchange(EDI)
Operating Systems
OS/390, MVS, Windows, Linux
Languages
COBOL, JCL, Pig Latin, HiveQL(HQL), Impala, SQL, Scala, Python, PL/SQL, REXX, PL/1, XML, Core JAVA, Easytrieve,Python.
Database
DB2, IMS-DB, VSAM, Hadoop Distributed File System(HDFS), MYSQL.
Tools/Utilities
Agile, ChangeMan, DATA-EXPERT(DXP), CA7, ELIPS, ManageNow, T5(templar), SCLM,
ENDEAVOR, WDI (3.2), BTS, Stored procedure, MQSeries, FILE-AID, File Aid for DB2 LIBRARIAN, SPUFI, QMF, Tableau.
Project Summary
Client: Vanguard Sep 2016 to Dec 2016
Employer: Randstad Technologies
Mainframe Programmer
Responsibilities :
•Worked in the Institutional systems for the Error resolution project.
•Worked in the agile-scrum model to receive the requirement and involved in phases of analyze, design, solution development and unit testing.
•Involved in Cobol DB2 Programming, COBOL-CICS programming.
Environment : COBOL/DB2, JCL, Stored procedures, CICS(VISTA), SPUFI,
MFE(Mainframe Express), SQL, Agile.
Client: WellPoint May 2012 to Dec 2013
Employer: Cognizant Technology Solutions
Mainframe Programmer
Responsibilities :
•Received critical Clear Quest (CQ) requests and involved in phases of analyze, design, solution development and testing.
•Cobol DB2 Programming
•Supported production installation schedule while moving the modified components in production environment.
•DB2 database performance tuning, Maintenance, and query optimization.
•Monitor the Production batch cycle and work around if any Production issues are faced during the batch cycle and also provide support to the applications 24/7.
Environment : COBOL/DB2, JCL, FILEAID, FTP, CICS NAVIGATIONS, IMAGE repository,
MQSeries, Stored Procedures.
Client: Cigna Feb 2012 to April 2012
Employer: Cognizant Technology Solutions
Application Developer
Responsibilities :
•Requirement analysis of business process requirements, designing the interface modules, developing specifications, coding, unit testing.
•Performing routine team administration tasks as well as team development initiatives like mentoring to the new team members, induction and competence development etc.
Environment : IMS-DB, COBOL, JCL, XPEDITER,FILE-AID.
IBM May 2009 to July 2011
IBM Order management
System Engineer - EDI Developer
Responsibilities :
•Responsible for coding EDI maps using IBM EDI Tool - WebSphere Data Interchange (WDI) and responsible for creating EDI setups in WDI Tool.
•Worked in PL/1 programs for mainframe related tasks.
•Responsible owned for Overall EDI tracking and status reporting.
•Prepared reconciliation reports using MVS transaction counts and SAP counts and if any mismatch found then have provided the required action plan to the customers for retransmitting the missed transactions.
Environment : EDI, PL/1, JCL, SCLM, Templar (T5 client), WDI 3.2, MQSeries, SAP.
Recognition :
IBM Awarded ‘3Q Service Excellence Awards’ for the satisfactory contribution towards project and IBM’s initiatives called Gen-O(A open contest of Technical contribution solutions).
Client: Wal-Mart Oct 2007 to July 2008
Employer: Business Integra
Programmer Analyst
Responsibilities :
•Created COBOL/DB2 programs to load files to the DB2 tables while the input feed is from UNIX server.
•Created JCLs/PROCs for the report generation initiative, where the output feed is moved to the UNIX server.
•DB2 performance tuning and optimization.
•Prepared the Unit Test Plan (UTP), Unit test cases (UTC) for testing phase and Debugging supported by Xpediter & File-Aid.
•Supported the production install and monitored the production batch cycle on 24X7.
Environment : COBOL/DB2, JCL, FILEAID, XPEDITER, Table base, FTP and Easytrieve, ICEMAN,
IMAGECOPY, Stored Procedures.
Bank of America Dec 2006 to Aug 2007
Employer: TATA Consultancy Services
Application Developer
Responsibilities :
•Created System Impact Work-sheet (SIW) and Low level design document (LLD) based on the Business requirement document (BRD) provided which has involved the specific Retail structured architecture (RSA).
•Worked extensively on COBOL/IMS-DB and performed enhancements on JCLs, PROCs.
• Preparation of Component wise test plan/cases for doing the Component Integration Testing (CIT).
•Testing the entire application with the use of the system test plan/cases at the time of System Integration Testing (SIT).
Environment : RSA, IMS-DB, COBOL, DB2, JCL, VSAM, FILEAID, DXP, XPEDITER, ELIPS,
CICS (Screens navigation), REXX.
WellPoint-Pharmacy system Nov 2004 to Nov 2006
Employer: US Technology
Mainframe Developer
Responsibilities :
Actively involved in the merger projects of WellPoint and Anthem systems.
•Designed and developed the technical framework for the systems which would be integrated using COBOL, COBOL/DB2, IMS-DB.
•Involved in the migration of data from mainframe system to Oracle database and supported the implementation processes.
•Analyzed the business needs (Problem request form[PRF]) and provided the design; made sure the solution through the Batch terminal simulator testing(BTS) SAS reports and cross checked screens will be shared from IMSD (DB-DC screens).
Environment : COBOL, JCL, IMS DB, DB2, VSAM, FILEAID, CHANGE-MAN, XPEDITER, ABEND-AID,TABLE BASE CONCEPTS and BTS testing,SAS, CA7, FTP, ENDEAVOR, CICS, IMSD screens for verification,Stored Procedures.
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