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15+ years in mainframe application development

Mainframe

COBOLPL/IJCLDB2 z/OSIMS DB (DL/I)VSAMCICSEmbedded SQL

Programming

PythonShell Scripting (Bash)REST APIsJSON

Development

App DevelopmentBatch & Online ProcessingPerformance TuningCode ReviewsUnit TestingSIT/UATDebuggingRoot Cause AnalysisTechnical Documentation

AI & Gen AI

Generative AIPrompt EngineeringAI AgentsModel Context Protocol (MCP)LLM FundamentalsAI-assisted Development

Cloud & Modernization

AWS Blu Age (Foundation)AWS Transform (Foundation)Microsoft Copilot StudioAzure AI Foundry

DevOps & Tools

GitGitHubAzure DevOpsCI/CDIBM IDzEndeavorChangeManISPWTWS/OPCJira

Methodologies

Agile ScrumKanbanWaterfallSDLCOnshore-Offshore Delivery

Strengths

Customer EngagementSolution DesignStakeholder ManagementProduction SupportCross-functional CollaborationKnowledge Transfer
● Current

Sep 2025 – Present · Kyndryl Solutions, Pune

Mainframe Lead

Client: ABN AMRO Bank, Netherlands

  • PL/I Application Development: Designed, developed, and enhanced enterprise applications using PL/I, delivering scalable and reliable solutions aligned with business and technical requirements
  • Mainframe Application Support: Maintained and supported critical z/OS applications utilizing PL/I, COBOL, JCL, DB2, VSAM, and CICS, ensuring system stability, reliability, and optimal performance
  • Application Maintenance & Production Support: Managed application enhancements, Production, SIT, and UAT incidents, change requests, and defect resolution, ensuring timely issue resolution within SLA
  • Debugging & Performance Optimization: Performed code analysis, debugging, unit testing, and performance tuning to resolve complex issues, improve application efficiency, and reduce recurring production defects
  • SDLC & Cross-Functional Collaboration: Participated in all phases of the Software Development Life Cycle, collaborating with business users, QA teams, and technical stakeholders to deliver high-quality software solutions
  • Modernization Support: Contributed to application modernization and system enhancement initiatives, including technical roadmap input for the IMS DB to DB2 migration
PL/ICOBOLJCLDB2 z/OSVSAMCICS
7+ Years

May 2018 – Aug 2025 · Hexaware Technologies, Navi Mumbai

Mainframe Technical Architect

Client: Belfius Bank, Belgium

  • Python-Based Tooling: Developed Python-based solutions to support COBOL code analysis, dependency mapping, and modernization workflows
  • Knowledge Transfer Leadership: Led KT sessions from the client for Banking Accounting applications, ensuring comprehensive understanding of system requirements
  • System Architecture & Client Demos: Designed end-to-end system architecture, conducted client demos, created Knowledge Acquisition documents and playback presentations
  • SPOC & COBOL Development: Single Point of Contact for the client — coordinated KT sessions, updated domain documentation; designed and developed COBOL programs for customer communication and accounting domains
  • Project & Team Management: Managed project timelines, team coordination, and delivery execution, overseeing consultants
  • Support & Maintenance: Reduced downtime by 15% and incident counts by 10% through Root Cause Analysis
COBOLDB2 z/OSIMS DBVSAMCICSPythonSPOC

May 2018 – Aug 2025 · Hexaware Technologies

Additional Client — Belfius Insurance, Belgium

  • Change Request Management: Handled change requests for PL/I and COBOL programs embedded with SQL for DB2 interaction
  • Technical Specifications & Design: Worked with business analysts to gather requirements and create technical specs for new modules
  • Production Support: 15% reduction in downtime through troubleshooting and support
  • Batch Optimization: Reduced processing time by improving code and DB2 queries; 10% incident reduction via RCA
PL/ICOBOLDB2 z/OSBatch Optimization

Jan 2017 – May 2018 · IBM, Pune

Advisory System Analyst

Client: Westpac Bank, Australia

  • COBOL Development & Maintenance: Developed and maintained COBOL programs processing millions of accounting transactions daily
  • QA & Debugging: Collaborated with QA teams on unit testing and debugging — zero defects in production releases
  • Job Automation: Automated job scheduling and monitoring via TWS/OPC, reducing manual intervention by 20%
  • Mentorship & Documentation: Code reviews and mentoring on COBOL best practices; 24/7 on-call support for critical batches and production deployment
COBOLTWS/OPCDebuggingMentorship

Previous Experience

Senior Software Engineer → Software Engineer → Project Engineer

Coforge · United Health Group · Wipro Technologies, Noida

  • Oct 2015 – Jan 2017 · Coforge, Noida — Senior Software Engineer · Client: Sabre, USA
  • Sep 2013 – Sep 2015 · United Health Group, Noida — Software Engineer · Client: United Health Group, USA
  • Jan 2011 – Sep 2013 · Wipro Technologies, Noida — Project Engineer · Client: State Street, USA
COBOLJCLDB2VSAMBankingHealthcare

AI — Personal Initiative

Hands-on AI.
Built on my own time.

"Beyond my day job, I actively build with AI — not just to learn, but to ship real things. These are personal projects and upskilling initiatives, separate from any employer."

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15 yrs enterprise foundationDeep understanding of what real systems need
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Self-driven AI upskillingBuilding real tools on personal time
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Emerging AI practitionerBridging enterprise experience with AI capability
01Personal AI ProjectsSelf-initiated · Built independently
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● Live

AI Resume Optimizer

Production web app — parses resume, ingests JD, calculates ATS score, rewrites bullets, generates optimised DOCX/PDF + cover letter + interview prep.

OpenAINext.jsFastAPIPostgreSQLDocker
Status: Live in production
🎯
● Live

Automated Job Hunter Agent

AI agent that automates job search — intelligently searching, filtering, and surfacing relevant roles based on profile and preferences. Near-zero manual effort.

OpenAIPlaywrightNode.jsReact
Status: Live · Actively in use
02Training & Upskilling ProjectsHands-on learning initiatives
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◆ Training Initiative

HR Policy Chatbot

Built during an internal AI training programme — a conversational agent handling leave policy queries, onboarding FAQs, and HR-related questions. Practical, hands-on application of Copilot Studio concepts in a learning environment.

Microsoft Copilot StudioPower Platform
Context: Internal training initiative — demonstrates applied AI learning in action
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● Live

D'Aura Dental Clinic — Digital Presence

Built the complete digital presence for a family dental clinic entirely on personal time — website, SEO, image pipeline, booking flow, GA4 analytics, social media tools. Zero agency involved.

Claude AIHTML/CSS/JSPHPGA4SEO
Live at: dauraclinic.com — real patients, real impact
03AI in Daily PracticeHow I personally use AI
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Documentation

Specs, RCA, test cases — AI-generated and refined. Hours → minutes.

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Deep Research

NotebookLM for complex document synthesis and insight extraction.

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Impact Analysis

AI-assisted code review, impact assessment, status reports at scale.

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Full-Stack Builds

Shipping real products solo — dental clinic website, job agents, trackers.

© 2025 SAURABH MALHOTRA · THESAURABHMALHOTRA.COM · BUILT WITH AI