Siddharth Nimbalkar

CEO

Pune, Maharashtra, India15 yrs 8 mos experience

Key Highlights

  • 14+ years of experience in mainframe development.
  • Expert in mainframe modernization and migration.
  • Proven track record in leading cross-functional teams.
Stackforce AI infers this person is a Fintech expert specializing in mainframe modernization and cloud migration.

Contact

Skills

Core Skills

Mainframe ModernizationApi Development & ManagementMainframe MigrationProject ManagementLegacy ModernizationSoftware Development

Other Skills

Business logic extractionApplication decompositionAutomated refactoringELT templates for VSAMCICD code documentationMigration of COBOL ProgramsJCL Scripts migrationEnd-to-end validationTesting strategy implementationCOBOLGCPJCLTestingStakeholder communicationQuality assurance

About

Led migration of COBOL-based mainframe workloads to GCP using cloud-native services, enabling system modernization and decommissioning legacy infra. As an accomplished Project Management professional with 14+ years of experience, I specialize in mainframe development, including requirement analysis, design, coding, testing, implementation, and project execution within the Banking, Cards, and Insurance domains. My expertise lies in Mainframe modernization, migration, and API development, where I streamline legacy systems and enhance their functionality to meet contemporary business needs. With more than 8 years of hands-on experience in PL1/PLI language, I have a proven track record of leveraging IBM Mainframe, JCL, VSAM, COBOL, DB2, and CICS to deliver robust and efficient solutions. My technical proficiency is complemented by my ability to lead cross-functional teams, ensuring the delivery of high-quality projects on time and within budget. I am skilled in effectively communicating and collaborating with stakeholders to ensure that project objectives align with business goals. My strategic approach to project management, combined with my deep technical knowledge, enables me to drive successful outcomes and contribute significantly to organizational growth. Let's connect to explore how I can bring my expertise and dedication to your team. ๐—ฆ๐˜†๐˜€๐˜๐—ฒ๐—บ๐˜€: IBM Mainframe, JCL, VSAM, COBOL, DB2, CICS, PL1, PL/I ๐—Ÿ๐—ฎ๐—ป๐—ด๐˜‚๐—ฎ๐—ด๐—ฒ๐˜€: COBOL, PL1, JCL, SQL ๐—ง๐—ผ๐—ผ๐—น๐˜€: JIRA, INFOMAN, ENDEVOR, CAVIEW, Online INTERTEST, COOLGEN, Xpediter, Changeman, IBM RDZ, IBM OPTIM, File Manager, File-Aid, SPUFI, QMF, DFSORT, BMCDB2, Easytrieve, VISIO, Visual source safe, Test Link, HPSM, RMS, SQS, SIA, CICS ๐—ข๐—ฝ๐—ฒ๐—ฟ๐—ฎ๐˜๐—ถ๐—ป๐—ด ๐—ฆ๐˜†๐˜€๐˜๐—ฒ๐—บ๐˜€: MVS Z/OS 390, Windows ๐——๐—ฎ๐˜๐—ฎ๐—ฏ๐—ฎ๐˜€๐—ฒ๐˜€: DB2, IMS-DB, VSAM, MySQL, Azure Cloud

Experience

Equifax

Mainframe Modernization Architect & Consultant | Driving Legacy System Transformation

Oct 2025 โ€“ Present ยท 5 mos ยท Pune ยท Hybrid

Programming.com

Mainframe Modernization Lead

Oct 2024 โ€“ Oct 2025 ยท 1 yr ยท Pune ยท Remote

  • โ— Business logic extraction to application decomposition and automated refactoring.
  • โ— Build ELT templates for VSAM, GDG ingestion processing patterns (COBOL)
  • โ— Document CICD code for major Application patterns (DAG/Dataflow/SQL code updates)
  • โ— Migration of required COBOL Programs to GCP.
  • โ—‹ Transformation related to in-scope business domains as documented in the inception phase
  • โ–  Language Transformation of existing COBOL program using accelerators which will be
  • selected as part of the inception phase
  • โ–  Refactoring of the jobs in GCP native services
  • โ–  Validation of data output as per agreed-upon scenarios and boundary conditions
  • โ—‹ Setup Orchestration and Scheduling: Migration of JCL Scripts to cloud composer in waves
  • โ—‹ End-to-end validation of output data, as per the approved testing strategy.
  • โ—‹ Production Deployment in adherence with the Definity change release process is to be conducted by the Definity team
  • โ— Testing: Implementation of the testing strategy across various phases that includes Story testing,
  • Integration testing, End to end testing, Data migration, and Non-functional testing, in line with Definity standards & processes as approved and aligned in the inception phase
Business logic extractionApplication decompositionAutomated refactoringELT templates for VSAMCICD code documentationMigration of COBOL Programs+5

Zensar technologies

Sr Technical Specialist

Sep 2023 โ€“ Oct 2024 ยท 1 yr 1 mo ยท Pune, Maharashtra, India ยท On-site

  • Leading mainframe modernization and migrating legacy systems, and using technical expertise to provide solutions, business rule extraction and troubleshooting support.
  • My roles also involves stakeholder communication, quality assurance and testing, mentoring and team development, and process improvement and innovation. I am responsible for overseeing the project lifecycle, ensuring timely delivery, and promoting teamwork and collaboration.
  • I also ensure adherence to coding standards and best practices and monitor defect tracking and resolution processes.
Stakeholder communicationQuality assuranceTestingMentoringProcess improvementProject lifecycle oversight+2

Wipro

Technical Lead

Feb 2022 โ€“ Sep 2023 ยท 1 yr 7 mos ยท Pune, Maharashtra, India ยท Remote

  • Project leadership, technical design and architecture, development and coding support, team mentoring, client and stakeholder engagement, quality assurance and testing, and process improvement and innovation.
  • I oversaw schedules, resources, and budgets, ensuring alignment with client and company goals. Focussed on legacy modernization and mainframe solutions, coding support, mentoring, and ensuring smooth integration across platforms. Also, manage defect tracking and continuous improvement processes.
Project leadershipTechnical designDevelopment supportTeam mentoringClient engagementQuality assurance+3

Capgemini

Senior Consultant

Feb 2018 โ€“ Feb 2022 ยท 4 yrs ยท Pune, Maharashtra, India

  • Lead initiatives to modernize legacy mainframe systems, including assessing, designing, and implementing modernization strategies. Also played a key role in developing APIs to integrate mainframe systems with modern applications and services, ensuring they are scalable, secure, and aligned with business requirements.
  • Displayed Technical leadership is provided, and project management is managed. Vital role in designing robust and scalable solutions, ensuring they adhere to best practices, security standards, and performance requirements.
  • Oversaw Quality assurance, maintained stakeholder engagement an identified opportunities for process improvement.
Modernization strategiesAPI developmentTechnical leadershipProject managementQuality assuranceStakeholder engagement+2

Infosys

Technology Analyst

Mar 2015 โ€“ Feb 2018 ยท 2 yrs 11 mos ยท Pune, Maharashtra, India

  • Analyzing business requirements, designing technical solutions, developing and implementing solutions, testing and quality assurance, troubleshooting, and maintaining documentation.
  • Collaborating with stakeholders, contributing to project management, staying updated with emerging technologies, and collaborating with team members.
  • Involved in client interaction, providing technical expertise, and offering training and mentoring to junior team members.
Business requirements analysisTechnical solutions designQuality assuranceDocumentationClient interactionMentoring+2

Igate

Sr Software Engineer

Jul 2010 โ€“ Feb 2015 ยท 4 yrs 7 mos ยท Pune, Maharashtra, India

  • Writing and maintaining high-quality code, conducting code reviews, providing technical leadership, analyzing business requirements, testing and quality assurance, creating and maintaining technical documentation, participating in project management, and collaborating with team members.
  • This role involved collaborating with clients, identifying bottlenecks, optimizing code, and ensuring compliance with regulations and standards.
Code writingCode reviewsTechnical leadershipQuality assuranceProject managementSoftware Development+1

Education

Shivaji University

Bachelor of Engineering (BE)

Jul 2004 โ€“ Jul 2008

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