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Sr Mainframe Developer & Tech Lead Resume

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Cincinnati, OH


  • 8 Years of experience in of experience in all areas of Application Software Development, Analysis, Design, Testing, Implementation and co - ordinate offshore activities and maintenance of systems for the IT projects
  • Very strong in Analysis, Design, Coding, Production support, Testing, Quality assurance and documentation of applications under IBM Mainframes System
  • SME in U.S Baking domain specializing in Wholesale and Retail Payments for commercial clients
  • Extensive knowledge and work experience in COBOL, DB2, JCL, VSAM, REXX, SAS and CICS
  • Hands on experience in using various databases such as DB2, VSAM, SQL, MS-Access
  • Expertise in using configuration management tools such as ENDEVOR & ROSCOE CCF
  • Expertise in B2B File Transfers using IBM Sterling File Gateway. Well versed with Protocols such as FTP, NDM, SWIFT, File-ACT, SFTP, Connect Direct
  • Worked on B2B File Translations using IBM Sterling Integrator Map Editor. Expert in various file formats such as EDI, ANSCI, ISO2022, XML, CSV, NACHA & BAI II
  • Experienced in Project Management, leading, planning, managing priorities, scoping & estimation for large projects/programs
  • Have worked on Merger & Acquisitions, Vendor Upgrades & Development projects
  • Scrum certified & an expert in Agile methodology
  • Experience in making Proof of concepts and solution architecture
  • Good exposure on Analysis and Designing of Documents like Requirement traceability matrix and specification design documents (HLD and LLD)
  • Excellent knowledge of Batch Systems running on Mainframes
  • In-depth working knowledge of the software development life cycle (SDLC) and excellent analytical and programming skills
  • Self-motivated and ability to meet operational deadlines in a demanding fast-paced environment and Capable of working independently as well as in a team
  • Comprehensive problem-solving abilities, good verbal, and written communication skills


Operating System: Z/OS, Windows 7 & 10, Linux

Programming Languages: Mainframe - COBOL, JCL, CICS, SAS & REXX, SQL, C, C#

Databases: DB2, VSAM, SQL DB, MS-Access

Tools: & Utilities: IDCAMS, ICEMAN, SORT, IBM Sterling B2B File Gateway & Integrator, Super-Eye, SDSF, SAR, AQT, ServiceNow, Remedy, IHUB, BeyondCompare, Vector Connextion, PEP, SMS, VIEX & MTS

Version Control Tools: ROSCOE CCF & ENDEVOR

Additional Skills: Business Analysis, Requirement Gathering, Development, Agile & Scrum framework, Risk & Compliance, ITIL.

Domain Skills: US Banking, Digital Banking, Commercial Payments

Certifications: IBM DB2 10.1 Fundamentals, PSM Scrum Master, Confidential Certified COBOL, JCL, DB2 developer


Confidential, Cincinnati OH

Sr Mainframe Developer & Tech Lead


  • Worked for bank’s 15,000 commercial customers per year, processing payments transactions of over Billion dollars
  • Involved in requirement gathering from in-house workflow tool I-HUB, this involved working closely with Business team & external clients for the bank.
  • Developed and enhanced COBOL programs. Wrote JCLs from scratch to test the code. Created procs, parms, copybooks
  • Worked on updating DB2 tables, VSAM files, CICS screens. Expert in coding SAS programs & REXX commands
  • Tested new & existing codes. Documented unit & regression test results and worked on client sign-off on test results
  • Transmitted files to external clients B2B File Transfers using IBM Sterling File Gateway in both test and prod
  • Encrypted mainframe files using .pgp encryption
  • Worked on deploying code from Dev region to UAT & UAT to prod. Used ENDEVOR and ROSCOE CCF for deployment
  • Worked on batch job scheduling using Tivoli Work Scheduler (TWS)
  • Involved in post-production support for newly deployed code. Analyzing the root cause, implementing the fix.
  • Documenting incidents in BMC Remedy & Service Now
  • Worked in both waterfall & Agile framework Leadership, Reporting & Analytics
  • Worked as Technical manager with domain & product expertise
  • Experience in communicating with stakeholders, Key business & IT partners & leading multiple teams across geography
  • Driven both operational & strategic Initiatives for the bank & Confidential
  • Analyzed historical data to draw meaningful insights
  • Experience in dealing client escalation, working as well as leading under pressure situations



  • Involved requirement gathering & analysis of MB bank’s applications like ARP, ACH, ECL & Lockbox. Communicated with MB Bank’s BA’s and technical resources
  • Strategizing merger to make sure all clients are on-boarded on Confidential ’s platform on scheduled go-live date
  • Created Technical Specification document to convert MB files to Confidential ’s file format
  • Developed COBOL codes to format files from MB format to Fifth Third Format
  • Reviewed & approved unit test results, presented the changes as part of change review process
  • Automated processes to ensure high volume of clients are implemented in time boxed manner
  • Involved in post-merger issues - trouble shooting, documenting & implementing break-fix

Confidential, Cincinnati

EDI Developer


  • Involved in requirement gathering, analysis of existing system & strategizing the upgrade. This involved communicating with external vendor FIS (Fidelity National Information Service)
  • Regression testing the FIS code to make sure existing clients are not impacted
  • Converted legacy programs from COBOL to Sterling Maps using IBM Sterling B2B Integrator Map editor to translate data from one format to another
  • Written sterling maps to convert ISO20022 files to EDI-820, CSV file to EDI, Custom to custom formats
  • Involved in end to end EDI implementation. Worked on processing client’s EDI file using FIS Vector Connextion.
  • Generating outbound acknowledgement files such as EDI-824 and EDI-831
  • Worked on translating standard ACK files from EDI-824 to Human Readable report & ISO20022 file format
  • Possess extensive knowledge of file formats such as NACHA, BAI-II, ISO20022, EDI-820, EDI-824, XML & CSV
  • Worked on setting up B2B Sterling Codelists to integrate Sterling maps & setup B2B partners
  • Involved in all phases of B2B File Transfers like onboarding external partner, test connectivity, testing actual file transfers & setting up partners in production
  • Involved in post-production support activities in case of Sterling file failures. Used strong analytical skills to troubleshoot the root cause
  • Mainframe Developer & Automation Expert, TCSFebruary 2014 - March 2016 Mainframe DeveloperPune, India
  • Developed & enhanced COBOL codes. Created own test JCLs to test the code. Deployed code to production
  • Reduced Implementation cycle time for the bank by 15% by using UI path RPAs & excel macros
  • Documented procedures & test results, created Swim lanes for existing payment process
  • Involved in post-prod support activities

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