IT Technical Lead Mainframe & Modernization Expert

Bhargavi Saradhi

Ph No: 740-***-****

Email Id: *****************@*****.***

Summary

Results driven Mainframe Technical Lead with 11+ years of experience in delivering enterprise scale applications across Mainframe (COBOL, JCL, DB2) and modern technologies (Java Spring Boot, Angular). Proven expertise in leading development teams, driving modernization initiatives, optimizing legacy systems, and ensuring high quality delivery in Agile environments. Adept at requirement analysis, solution design, performance tuning, and cross functional collaboration.

CORE SKILLS

Mainframe: JCL, COBOL, DB2, Endevor, QMF

Databases: Oracle, IBM DB2

Languages: Java, SQL

Frontend: Angular

Architecture: Microservices, REST

DevOps & Tools: Jenkins, GitHub, Maven, Gradle, SonarQube

Testing: JUnit, Mockito, TDD

Concepts: Microservices Architecture, Design Patterns, CI/CD, Agile/Scrum

Production Support: L3 support, RCA, incident/problem/change management

On call Support (24/7 rotation)

Professional Experience

Technical Lead

Wipro Technologies, Marysville, OH

Client: Honda Projects: REX, BEV

June 2023 – Present

Lead end to end technical delivery of Mainframe modules aligned with business and architectural standards.

Perform detailed impact analysis for enhancements, integrations, and change requests.

Design scalable Mainframe solutions using COBOL, JCL, DB2.

Mentor and guide developers, conducting code reviews and enforcing best practices.

Collaborate with architects and product owners to convert functional requirements into technical designs.

Drive modernization initiatives including API enablement and hybrid integrations.

Optimize batch and online performance, including DB2 tuning and CPU reduction.

Oversee production deployments, ensuring smooth release cycles and rollback strategies.

Lead root cause analysis for critical incidents and implement preventive measures.

Coordinate with QA, DevOps, and infrastructure teams for seamless delivery.

Develop reusable utilities and frameworks to improve productivity.

Ensure compliance with audit, security, and regulatory standards.

Manage sprint planning, workload distribution, and task prioritization.

Review and approve HLDs, LLDs, test plans, and deployment documentation.

Support integration with distributed systems and cloud based services.

Monitor system health and proactively identify risks and improvements.

Collaborate with stakeholders to define technical roadmaps and modernization strategies.

Ensure high quality deliverables through rigorous testing and validation.

Conduct knowledge sharing sessions and onboard new team members.

Act as the primary technical point of contact for leadership and business partners.

Technologies: Mainframe, JCL, Cobol, Db2, Java, Spring Boot, Angular, SQL, Maven, REST APIs, GitHub, Jenkins, Restful web services, Sonar, Jenkins.

Senior Software Engineer

Wipro Technologies, Hyderabad, India

Project: NCML

March 2016 – June 2023

Responsibilities:

•Developed, and maintained Java based enterprise applications using Core Java, Spring Boot, and Microservices architecture

•Developed RESTful APIs using Spring Boot, handling request validation, exception handling, logging, and integration with downstream systems

•Built Spring based Java Microservices to support web application using Spring Boot annotations

•Proficient in developing microservices using Spring Boot

•Involved in designing, implementing, and maintaining Java applications, contributing to all stages of the software development lifecycle.

•Developed UI screens using Angular, ensuring alignment with business workf lows and usability standards.

•Performed end to end integration between Angular UI, Spring Boot backend services, and database layers.

•Practiced Test-Driven Development (TDD) using JUnit and Mockito.

•Participated in Agile ceremonies and contributed to continuous delivery.

Technologies: Java, Spring Boot, REST APIs, SQL, GitHub, Angular, Maven, Config Server

Project Engineer

Wipro Technologies, Hyderabad, India

Project: PBOM

December 2014 – March 2016

Responsibilities:

Design, develop, and enhance COBOL programs to meet business requirements, ensuring code quality, maintainability, and adherence to standards.

Write, modify, and optimize JCL scripts for batch processing, job scheduling, and execution of mainframe workflows.

Develop and maintain DB2 database objects (tables, views, indexes) and write efficient SQL queries, joins, and stored procedures.

Analyze production issues, perform root cause analysis, and implement permanent fixes with minimal supervision.

Participate in requirement analysis by collaborating with business analysts and stakeholders to understand functional needs.

Perform unit testing, integration testing, and regression testing for all code changes, ensuring accuracy and stability.

Optimize batch job performance by tuning JCL, SQL queries, and COBOL logic to reduce runtime and resource usage.

Prepare and maintain technical documentation, including program specs, job flows, data mappings, and change logs.

Support production deployments, coordinate with operations teams, and ensure smooth migration across environments.

Mentor junior developers, review their code, and share best practices for COBOL, JCL, and DB2 development.

Environment: JCL, Endevor, Cobol, QMF, IBM DB2.

Education

Bachelor of Technology (B.Tech) in Computer Science

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