Arunkumar Kothandaraman

Experience

• 

  Wipro Technology

  Oct 2007 - Jan 2014

  Senior Software Engineer

  Incident and Crisis Management: Actively participated in critical incident management, rapidly diagnosing, and resolving complex issues, and providing timely updates to front-line support teams, minimizing downtime, and mitigating potential crises.Change Due Diligence: Conducted thorough assessments of changes and application releases to ensure strict compliance with support criteria, contributing to the reliability and stability of the production environment.Stakeholder Collaboration: Established and maintained strong relationships with resolver teams, application development groups, and core infrastructure services, enabling seamless communication, efficient issue resolution, and enhanced knowledge sharing. Proactive Issue Identification: Utilized advanced alerting tools for real-time monitoring and data analysis to detect and address issues before they impacted operations, liaising with third-party resolver teams as needed, enhancing organizational resilience, and minimizing disruptions. Show less

• 

  Cognizant

  Jan 2014 - now

  Python-Powered Data Workflow: Developed Python modules for seamless data gathering, pre-processing, and transformation, ensuring data readiness for analytics.Data Pipeline Mastery: Designed and implemented a robust end-to-end data pipeline using Apache Airflow, streamlining data orchestration, and ensuring data availability when needed.Visual Data Insights: Created a dynamic Streamlit application for intuitive data visualization, enhancing accessibility and data-driven decision-making.Data Quality Assurance: Assumed responsibility for conducting thorough data quality checks on the raw source data, guaranteeing data integrity and reliability.CI/CD Expertise: Developed and maintained continuous integration and continuous deployment (CI/CD) pipelines in the Azure environment, facilitating efficient and automated application delivery.Containerized Deployment: Orchestrated the deployment of application containers in the Azure Kubernetes Services (AKS) environment, optimizing scalability and resource management.Process Optimization: Streamlined application processes and automated manual testing using Python scripts, resulting in increased efficiency, and reduced manual intervention.Release Management: Prepared comprehensive release notes and delivered containers to the customer, ensuring transparency and smooth transitions. Show less System Transformation: Analyzed critical system modules and crafted detailed system design documentation, laying the foundation for the migration effort.Legacy to Modernization: Successfully migrated Mainframe COBOL programs to Python scripts, enhancing efficiency, and flexibility in data processing.Scheduler Transition: Developed a Python tool for migrating Mainframe job dependencies from ESP scheduler to Autosys Scheduler, ensuring smooth scheduling and execution.Cross-Platform Execution: Migrated and executed components in the new environment, validating input and output files to guarantee data consistency.Issue Resolution: Identified, reported, and resolved technical issues and roadblocks encountered during the migration process, ensuring the stability of the client's AWS environment Show less Requirements to Reality: Collaborated closely with business analysts, translating their requirements into technical specifications to ensure alignment between business needs and technical solutions.Data Transformation: Developed Mainframe batch jobs in COBOL to efficiently extract, process, and load data into the Enterprise data warehouse, delivering custom reports to clients.Production Prowess: Proficiently perfected on the migration, scheduling, and monitoring of production jobs, ensuring the seamless execution of critical processes.Optimization Drive: Actively participated in redesigning existing processes and identified opportunities for performance tuning in jobs, enhancing efficiency and reducing processing times Show less

  • Technical Lead

    Mar 2019 - now

  • Senior Associate

    Mar 2017 - Mar 2019

  • Associate

    Jan 2014 - Mar 2017