Summary
Overview
Work History
Education
Skills
Projects
Accomplishments
AWARDS & APPRECIATIONS
Certification
Languages
Timeline
Generic

Vellai Durai K

Bengaluru

Summary

  • Experienced and passionate Mainframe Software Engineer with over 4 years of hands-on development in COBOL, DB2, JCL, VSAM and MVS Utilities, delivering secure, scalable, and high-quality technology solutions in the financial services domain.
  • Proven ability to execute complex batch processes, perform performance tuning, and contribute to all phases of the SDLC while maintaining compliance with IT control standards.
  • Skilled in creating design artifacts, participating in architecture reviews, and identifying optimization opportunities through data pattern analysis. Adept at working with tools such as TOPAZ, XPEDITER, CHANGEMAN, and Control-M, with a solid understanding of agile methodologies and enterprise project tracking systems like JIRA.
  • Passionate about fostering inclusive team culture and staying at the forefront of emerging technologies.

Overview

4
4
years of professional experience
1
1
Certification

Work History

Mainframe Developer and Analyst

Wipro Technologies
03.2021 - Current
  • Software Engineer Mainframe Development – Financial Services Domain 4+ Years of Experience
  • Developed and maintained mainframe batch systems using COBOL, DB2, VSAM, and JCL, delivering robust, secure, and high-performing applications
  • Created and optimized DB2 stored procedures, views, and queries for efficient data access
  • Participated in architecture design discussions, conducted code reviews, and ensured compliance with IT control policies throughout the SDLC
  • Utilized debugging and analysis tools such as SPUFI, XPEDITER, FILEAID, FILE MANAGER and CHANGEMAN
  • Managed job scheduling and automation using Control-M, improving efficiency and reducing manual efforts
  • Collaborating with cross-functional agile teams and used JIRA to track project milestones, sprints, and tasks
  • Using confluence pages for requirement designs and updates
  • Analyzed system behavior and data patterns to identify root causes of issues and propose design enhancements
  • Used AWS portals to fetch customers data which are sharing from mainframe
  • Actively contributing to a culture of inclusion and continuous learning through team collaboration and innovation initiatives

Education

Bachelor of Electronics and Communication - Engineering

Karpagam Institute of Technology
Coimbatore
10.2020

Skills

  • Agile
  • AWS(fundamentals)
  • CICS
  • COBOL
  • Confluence
  • Control-M
  • IBM DB2
  • JCL
  • JIRA
  • TOSCA
  • VSAM
  • Batch Utilities
  • File aid
  • File manager

Projects

Migration project:(April 2024 - Current)

Working in migration project, where specific customer data to be migrated to the web application.


SMPI & Pension dashboard project:(April 2023 - March 2024)

Worked in pension data updating project, where need to increase annual pension amount customers as per requirements.


GDPR project:(May 2021 - March 2023)

Worked in GDPR project, where need to delete old customer data as per retention guidelines.

Accomplishments

  • Trained 7 members team for project readiness within short span of time and made them independent
  • Implemented automation in mainframe for Unit testing purpose and later shared with QA team for functional and regression testings.
  • Due to automation introduced in mainframe, QA team developed their own scripts for their functional and regression testings, it's reduced lot of manual efforts and tested with more combinations of data, this paved the way for the error free deliveries.

AWARDS & APPRECIATIONS

  • Recognized with awards by clients for quality deliveries continuously and within minimum sprint stories
  • Continuously received appreciation in 4 sprints from whole team and clients for sprint stories completion, good quality delivery within timelines
  • Received award to implement automation in mainframe and gave to QA team for their functional and regression testings.
  • Received appreciation from CPU team for proper batch monitoring while deployments.

Certification

  • AWS Cloud practitioner
  • Mainframe -Level1,2,3 training and certified by wipro
  • Tosca- Level 1,2
  • Google-Gen AI

Languages

English
Upper intermediate (B2)
Tamil
Bilingual or Proficient (C2)
Hindi
Intermediate (B1)
Japanese
Elementary (A2)

Timeline

Mainframe Developer and Analyst

Wipro Technologies
03.2021 - Current

Bachelor of Electronics and Communication - Engineering

Karpagam Institute of Technology

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Vellai Durai K